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  1. Frequency Transparency
  2. Rolling Ball
  3. How long to freeze standing water in steel pipe
  4. Tension in string when force is applied to both ends
  5. Multi-spring system
  6. equations of orbit
  7. Equivalence of Boltzmann and Clausius entropy
  8. Does the 2nd law of thermodynamics need to be postulated?
  9. Resistive heating formula?
  10. Why do you feel warmer in a dark T shirt on a hot day than a white T shirt?
  11. maxwell equations + scalar and vector potentials
  12. Natural Frequency
  13. Atmospheric Pressure
  14. Pendulum Experiment - Finding relationship between period and length
  15. Starting off the movement
  16. Calculate Electric Field in Medium
  17. question abt the unstability of a neutron star.
  18. "Hybrid" kinetic energy of rigid bodies
  19. harmonic oscillator in a heat bath
  20. Confusion over gravity and tides
  21. Lagrange multipliers in the calculus of variations
  22. Multipole expansion
  23. Help explaining physics demonstration
  24. Calculating coefficient of max static friction
  25. rotational doubt (also momentum)
  26. impulse
  27. Geodesics
  28. Bicycle gears, energy, work and power??
  29. On Electromagnetic Waves
  30. On sailing space craft.
  31. plane wave expansion
  32. styrofoam object- rise or sink?
  33. Massless charged particles
  34. Are angular displacement, angular velocity, and angular acceleration, vectors?
  35. Circle motion in water waves
  36. I'm confused about 1st Kepler's law and the 2 body problem
  37. Creating electromagnets questions
  38. Ampere's Law?
  39. The maximum Entropy
  40. How to measure magnetic field of a magnet
  41. Most efficient wire gauge for induction coils
  42. A Unit Question: Flicking a Switch
  43. Gravitational attraction
  44. How to measure current induced through loops
  45. Momentum and Energy gives different answer
  46. What do curl/Dovergence of various fields represent?
  47. coefficient of restitution in rotational motion
  48. What makes a badminton shuttle cock so aerodynamically stable?
  49. First Newton's Law
  50. How much energy to heat a room, and heat pump efficiency?
  51. Heat Transfer Problem
  52. Accelerating charged body, question
  53. Why only positions and velocities
  54. Alley Bowling - Pin Physics
  55. Don't understand the choice of zero-potential level
  56. Tension in a Pendulum String / Rod
  57. compressed gas....and heat transfer...
  58. EOMs for "T" Shaped Pendulum with Non-Conservative Force
  59. Continuous water fountain
  60. Translational vs. Rotational Kinetic Energy
  61. Eulerian description
  62. Gravity and the Second Law of Thermodynamics
  63. Effect of mass and springs on the damping of mass spring system
  64. Question about heat transfer
  65. Response Function Of Forced Oscillator
  66. Rolling Without Slipping
  67. Energy consumed to create force
  68. Turning Force vs. Accelerating Force
  69. Help understanding rotation relations in different frame
  70. energy req'd to compress a gas?
  71. What does the principal axes help in rotation probelm?
  72. reversible engine and entropy
  73. field vs. field
  74. Uniform disk lying on a flat, frictionless surface
  75. Plotting Vehicle Path Based on Accelerometer Readings
  76. Mathematical shape for a lens with no spherical aberration
  77. Rotating a dumbbell from one end
  78. Gravity and time
  79. How to model internal resistance
  80. Circular motion : direction of frictional force
  81. Accelerating neutral atom
  82. How to prove that two electron exerts gravity on each other
  83. Pulleys, MA, and distance
  84. Moving a Pendulum's Hanigng Point and the Tension in the String
  85. must convert units?
  86. A practical question about thermodynamics
  87. Reverse of carnot cycle
  88. Hashin-Shtrikman bounds
  89. Finding weight of an unknown mass
  90. Thermodynamics: Ensembles
  91. Don't understand state number
  92. how masses are added together on a lever
  93. The general way to determine the degree of freedom?
  94. Is there a way to break down the Culomb?
  95. Does the derivation of the SHM formula require calculus?
  96. About monopole
  97. Charge calculation
  98. [Thermodynamics] Doubt about the relation between internal and external work
  99. Possible to take a trajectory from (x,y,t) and get a trajectory in phase space (q,p)
  100. rotation condition?
  101. Electromagnetic Waves: A Confusing Abstraction
  102. adiabatic compression
  103. Adiabatic demagnetization of paramagnetic
  104. Classical Hamiltonian
  105. Average velocity of particles and maxwell distribution
  106. Pressure of gases in a container
  107. Method of images with infinite, earthed, conducting plane
  108. a clue for de Broglie?
  109. confusing on permeability and relative permeability
  110. Generating Electromagnetic Waves
  111. accelerated pendulum
  112. Turbulent flow
  113. change of entropy
  114. Question about the magnetic dipole moment of the electron
  115. Magnetic field
  116. Field Lines
  117. Why don't ice cubes spontaneously form in a cup of water
  118. electric currents
  119. Twisted Coil in a Magnetic Field
  120. [thermodynamics] simple question + view of temperature?
  121. Micro Oven - Portable- Butane powered
  122. electrodynamic vector potential wave equations in free space.
  123. [Thermodynamics] Ideal Gas Properties of Air
  124. electrodynamics Lagrangian. differences in sign in online references.
  125. wave momentum
  126. satellites and work
  127. Escape Velocity
  128. Fracture mechanics versus Damage mechanics
  129. Non-Homogeneous Current Density?
  130. loudspeakers
  131. Why do batteries loose "omph" when it gets cold?
  132. tension and compression force
  133. The wind chill factor?
  134. Why there is interference pattern?
  135. Exercises with solutions in theoretical physics
  136. Three Velocities of Light ?
  137. constitution of a field?
  138. boundary condition of EM field
  139. How to deal with direction on impluse?
  140. superposition question
  141. Electric and magnetic fields
  142. Water and steam tables
  143. Inertial charges
  144. method of images in Griffiths' text
  145. How to prove this?
  146. Heating compressed air to provide lift
  147. lens for an electric field
  148. Force on a hot wheel car lab
  149. 14 Tesla magnet strength? Too much?
  150. Why magnetization is a linear function of external field?
  151. Gravity .vs. Entropy
  152. How to use Poisson equation?
  153. Projectile penetration in solid
  154. Bending light with a magnet
  155. change of internal energy
  156. Rotational Dynamics: Calculating a Moment of Inertia
  157. Urgent question
  158. Time
  159. Calculate latent heat
  160. Newton's third law questions...
  161. Thermocouple-Heat pump-Power plant?
  162. mixing two gas
  163. Work done to stretch a spring vs Work done by a spring?
  164. About kinetic energy
  165. The first integrals
  166. Dimensional Analysis - Comparison of exponents
  167. Thermo Derivation
  168. Pump Friction Temp increase!
  169. COP-Ref
  170. Does A Mangetic Field Have Frequency?
  171. Free-fall formula, adding air resistance
  172. parabolic trajectory of a rocket
  173. Stress Tensor with components
  174. work and power when lifting weights
  175. Mechanical leverage question
  176. Calculation of temperature drop after a pressure release
  177. Conductivity of Copper Against Copper
  178. Standing waves in surface vibrations in rods?
  179. Gravity and Permanent Magnetism as energy sources
  180. Heat from radiation, why high v doesn't heat stuff?
  181. Thermodynamics of wire calculation
  182. Error in equation for kinetic energy
  183. Acceleration without rotation (intertial, nonintertial)
  184. pressure for ideal gas in terms of stat.
  185. Reversible, equilibrium and quasi-static
  186. rubber band
  187. Doubt on one Maxwell relation
  188. Sail Boat
  189. Wood's Anomaly - describe it
  190. Circular motion equations
  191. Spring constant to launch ball 70 mph?
  192. Rubber Ball response to impact?
  193. Soundvelocity dependence on temperature?
  194. recurve vs. longbow
  195. Electric field in a Cylinder shell of finite height(thought experiment)
  196. recurve vs. longbow
  197. Fermat principle and light
  198. Why can't an object gain a (+) charge when rubbed against another?
  199. Calculating velocity of a projectile accounting for drag
  200. Geometric optics - why inverted image from thin lens
  201. 'Supper Hot' Wood Stove
  202. Accelerated Magnetic charge
  203. Basic compression force questions.
  204. Comparing forces
  205. amplitude of a pendulum?
  206. Alternate cooling
  207. Entropy question
  208. Incandescent Light Bulb, Resistance and Brightness
  209. Damping Constant
  210. Entropy and our Universe
  211. Electron in a cloud chamber
  212. Question on forces/friction acting on wheel
  213. Gravitational Potential Energy
  214. Permanent Magnet Hoverboard and base?
  215. Deflection of a solid body with different cross sectional areas
  216. Heat dissipation - nylon vs steel
  217. Sudden change in thermodynamic system.
  218. Linear wave equation
  219. Squeaky Snow
  220. Heat Content of CNG
  221. Operational Amplifier Dependencies
  222. polarization beam splitter
  223. Diving Board
  224. Magnetic Field Orientation
  225. solution to EM wave
  226. Gauss's Law
  227. Speed at perihelion and aphelion?
  228. Wien's Displacement Law frequency vs wavelength
  229. EM Wave amplitude
  230. Can anyone use Boyle's Law for the purpose of T= 0Kelvin ( absolute zero ) for me?
  231. Magnetic Vector Potential Drawing
  232. Hertzian Dipole Antenna Radiation : The Whole Story
  233. Pressure
  234. Turn speeds and radius of system
  235. Questions about Plasmons
  236. Centripetal/Centrifugal Force and Moment of Inertia
  237. When exactly is it useful to use... (electricity)
  238. An infinite progression of 'meta charge'
  239. THREE MAGNETS - is interaction unique, oscilatory or chaotic solution?
  240. Carrying a heavy box - work done?
  241. How Hamilton's equations extremize the action
  242. injecting an unflated balloon with vacuum
  243. Wavelength / Frequency notation!
  244. Thick Double Slit
  245. Stored Energy in a pressure vessel
  246. Emfs, work and heat
  247. Torsion Spring Catapult Velocity
  248. Depolarizing and source linewidths
  249. Derivation of the Boltzmann Distribution
  250. Laser Beam Destructive Interference
  251. what is "Bulk phase"?
  252. Geometric optics - why pinhole bends rays like lens
  253. A Question about Imaging and PSFs
  254. Momentum transfer
  255. Photon's charge and electric field
  256. Joule Thomson
  257. Time for freefall in a varying gravitational field?
  258. Transmittance of absorbing multilayer thin-films on an absorbing substrate
  259. integrals of the motion
  260. Heat Transfer through a pipe
  261. Magnetic charge,matter and anti matter
  262. High energy particles passing through an electric field
  263. Gauss law for electrostatics
  264. Lienard Wiechert potential of a point charge ?
  265. wire in the sky
  266. Minimum time to stationkeeping, constant Gs
  267. Metal Hardness at different temperatures
  268. Deriving acceleration in rotating reference frames
  269. The constitutive equation of Piezoelectric materials ?
  270. Faraday's cage
  271. two rigid bodies combined center of gravity
  272. Ampère's circuital law and the free current density
  273. heat loss through an open door
  274. Amount of force 1 magnet with"x"electric energy can create against an opposing magnet
  275. generator theory, would it work?
  276. electromagnetics (force question)
  277. Center of gravity
  278. action definition
  279. Weber's electrodynamics
  280. How is the 2nd law of thermodynamics related to the uncertainty principle?
  281. Sensor to find distance.
  282. Why - momentum must be in the wall?
  283. weight
  284. Tension Question(s)
  285. Gauge invariance of the vector potential
  286. entropy minimization - maximum energy delivered
  287. Question: Fuel Cell Thermodynamic Equations
  288. VGA adapter caught fire
  289. Integral of momentum
  290. Lose weight or train?
  291. Electric field in super conductor
  292. Torsional Spring Force Transfer
  293. Momentum transfer in a first class lever
  294. Do spinning objects really lose weight?
  295. About Electrical Power
  296. Fooling around with Hamilton-Jacobi theory: can this be right?
  297. Active IR vs. Passive Thermal Imaging
  298. Thermo: how should enthalpy change during cooling/heating?
  299. Displacement with Air Drag
  300. ideal gas laws
  301. offset central conductor
  302. Finding Charge Density of Solution and then Amps
  303. Question about the constant.
  304. An AP Physics Project.
  305. Standing wave energy
  306. Optimal Trajectory for a ball thrown WITH INITIAL HEIGHT
  307. finding the acceleration of a held object suddenly released
  308. angular momentum in electric field and magnetic field
  309. conservation of angular momentum in electric field
  310. A falling object
  311. A heavy spring in gravity
  312. microscopic difference between gas and liquid
  313. circle deflection
  314. Statistical Mechanics (multiplicity/accesbile microstates question)
  315. Hamiltonian
  316. Wave velocity on a taut string
  317. Reliable Method for Launching Ping Pong Balls at Varying Speeds?
  318. electromagnet repulsion increased significantly
  319. Polarisation and LCDs
  320. Ampère's circuital law
  321. Correspondence between Hamiltonian mechanics and QM
  322. Rotation in complex space?
  323. Figures (on mass center?)
  324. Harmonics
  325. Gravitational Potential Energy
  326. angular momentum in an electrostatic field
  327. transient inviscid incompressible pipe flow
  328. Magnetic circuits
  329. How does high voltage decrease energy loss in a wire
  330. Gamma rays heating gases
  331. Gravitational force between the moon and the Earth..
  332. Force Inside a Solenoind ????
  333. pascals law
  334. Time-Temp relationship with water/ice phase-change
  335. Electric Potential Energy
  336. Electrodynamics: quaternionic potential?
  337. Question about Walter Brattain’s “field-effect transistor principle”.
  338. Normal reaction
  339. Momentum distribution in a first class lever
  340. whats the name of the following spring mass system:
  341. Question about charge in a circuit
  342. Magnetic field constructive interference
  343. Question about Photons…
  344. What is the direction of the Reaction force..
  345. Is this sorta mechanical component ever made?
  346. Soccer Ball Compression
  347. Load distribution capabilities of a catenary curve
  348. Stress due to rotation in a ring mounted on a shaft
  349. Is the Abraham-Lorents force formula in wikipedia correct?
  350. Questio about electric potential energy
  351. A question about frequency…
  352. Torque of a wheel in space
  353. Crazy water pressure formula implication?
  354. electrodynamic checks of the equivalence principle
  355. electrons and positrons free fall within a superconducting cylinder
  356. Milankovitch Forcing.
  357. complex analytic signal
  358. [Thermo] Finding pressure given temperature, quality, mass, and constant volume
  359. magnetic field coil
  360. Thermal equilibrium versus pressures
  361. Newton's third law
  362. Changing orentation of force
  363. Electric and magnetic flux of universe
  364. why is that an atom doesn't absorb more than the required amount of energy.?
  365. hanging a mirror with two off-center nails
  366. Neurology / Electromagnetic/ Frequency / Broadcasting question on "Physics"
  367. If the sun were to approach the earth...
  368. Why won't pressure on an irregular shape make it move?
  369. electromagnetic energy is not Gauge invariant?
  370. andrew mason ideal gas law and adiabatic expansion problem
  371. A question about propagation constant in wave propagation equation
  372. Please Help calculate mechanical energy
  373. Helicopter in a box: Third law
  374. Pendulum on a cart.
  375. Hammer Rotation Mystery.???
  376. Light in a medium
  377. thermal conductivity of the wetsuit
  378. Velocity Time Graph For Projectile!
  379. wind power
  380. Why are there 2 definitions of Magnetic Moment?
  381. Is the positive terminal of a battery positively charged?
  382. Is the electric field constant between two charged plates?
  383. Electric Field Equation Hollow Cylinder
  384. Elasticity problems
  385. Horse Dynamics
  386. Inertia due to acceleration
  387. electric and magnetic field energy
  388. Sound Wave Energy
  389. Lasers increasing vapor to superheated steam
  390. harmonic functions
  391. zero gravity
  392. electric field three conductors
  393. "back of the envelope" derivation of Larmor's equation
  394. Satellite collision
  395. energy of driven damped oscillator
  396. forward and backward waves
  397. magnetic potential
  398. Mathematical problem is classical question
  399. Clouds are water liquid, not vapour, why it don't fall down?
  400. ball on a slant,
  401. faraday's law + bicycle training
  402. Distance-Time graphs
  403. Rotating Space Station
  404. Potential
  405. Dropping balls
  406. is a bicycle or dirtbike an example of f=ma?
  407. Figuring out a stove top temperature using boiling water
  408. Bernoulli's Law Confusion
  409. cross product forces
  410. Method of Images Question (Concave Geometries)
  411. Water bending trick.
  412. Voltage of Capacitors in Series, a widely held assumption
  413. timescale to propagate a perturbation through a system?
  414. Water powered Tesla turbine
  415. Blade Breakage Detection
  416. Infinite Self-Energy of a Charged Point Particle
  417. Couple forces
  418. Creating an Electromagnet
  419. Rotational Momentum
  420. Pendulum Pulley System
  421. Time constant for Liquid to Gas flashing off.
  422. How to proof the vibration velocity equation??
  423. Friction coefficient direction dependent
  424. Can someone please explain this remark in Landau-Lifshitz's *Mechanics*?
  425. Magnetism and lagrange formulation of mechanics
  426. What's the best self-study book for statistical mechanics?
  427. Entropy and volume
  428. Maxwell Equations in Tensor notation
  429. Torsion rigidity
  430. What are the principles involved in this bicycle scenario?
  431. constant acceleration rate equations
  432. How to calculate the trajectory of a mortar round.
  433. modal analysis of a pin-jointed frameworks
  434. Newton's law and conservation of linear momentum
  435. comsol/capacitor simulation
  436. looking for an experiment
  437. Spherical shock wave propagation in liquids
  438. temperature converter to freguancy
  439. Electric field and potential
  440. Physics and Scuba Diving
  441. swinging rod
  442. Maximum air velocity in ambient conditions??
  443. Lagrangian and conservations laws
  444. denisity of air
  445. Forced Vibrations : Resonance
  446. Conductors and fields
  447. Remote monitoring of patient teperature
  448. Maxwell's equations and Coulomb's law
  449. Electric potential in cylindrical coordinates using separation of variables
  450. Magnetic polarization
  451. can Liouville's theorem apply to dissipative systems
  452. Cube subjected to an impulse
  453. Brain teaser involving very basic concepts?
  454. Physics Proofs?
  455. Need help picking vars to integrate on a neg-acceleration prob
  456. Concept of an "area vector" when finding magnetic flux
  457. Pendulum but not quite
  458. Deflection in 3-D
  459. Net force on angled surface
  460. edisons dc
  461. Way To Test Thermal Insulation
  462. Calculating vertical load with multiple bodies
  463. artillery recoil for a 76mm tank gun
  464. potential energy of point charges
  465. why do bodies at rest weight more than zero???
  466. boltzmann equation
  467. total energy produced by sound source
  468. A Thermometer That Could Measure Negative Temperature
  469. simple harmonic oscillator- the probability density function
  470. Electromagnetic Gauss Gun
  471. I need an equation for Capacitors spherical
  472. Project help.
  473. partial derivatives in thermodynamics
  474. energy law
  475. Centrifugal force dynamics
  476. Bernoulli Equation
  477. Calculating size of electric motor needed
  478. Floating Arm Catupult
  479. Transformation coordinates for Lagrangian
  480. Falling mass on a spring in a box
  481. Increasing propulsion(rockets)-newb
  482. Wireless power (using resonance induction a.k.a. evanescent waves coupling)
  483. How do current of the circuit affect the magnitism of the nail
  484. Cross Product in Spherical Coordinates - Getting conflicting oppinions
  485. radiative energy
  486. Adibatic process
  487. trying to achieve at least 1 Tesla for a solenoid
  488. Mean-field, High T Expansion paper
  489. How do you relay EM wave parameters to Transmission line parameters?
  490. Energy balance from mechanical to electrical energy
  491. Displacement Current
  492. Help with Ampere's law
  493. A question about heating aluminium with a hole in it
  494. Three Laws of Classical Electromagnetism
  495. Action at a Distance in Electromagnetism?
  496. Massive objects and electric forces
  497. measuring the frequency of the e.m. oscillations in the em. wave
  498. Wave analogies
  499. What is the correct voltage current eq. for a variable capacitance capacitor?
  500. Clarification on Gravity
  501. question concerning kinetic energy and potential energy
  502. Third cosmic velocity
  503. no resultant force means no external force?
  504. Internal energy present, is there conservation of energy?
  505. Adiabatic/Reversible application of external field to Ideal Gas
  506. Convection.
  507. Galileo's relativistic postulate question
  508. A philosophy problem regarding electromagnetic field
  509. whyy!!
  510. Pushing off on ice
  511. netwons second law and rocket equation
  512. newtons 3rd law problem
  513. Falling on Ice
  514. Pressure Calculations.
  515. Intrumentation: PMTs and CCDs
  516. Where can I learn to calculate the need for cooling?
  517. some silly question on oscillators
  518. Potential energy of a force vector
  519. Dark field imaging - what would be a good sample?
  520. 1995 Ap Free Response Physics C Solutions
  521. 3D Dirac Delta Function
  522. how the radioactive decay depends on total mass of the element?
  523. Electro-magnet myth?
  524. Is the linear momentum conserved in the presence of friction?
  525. canonical transformations
  526. use vibration to calculate mass in space
  527. Fluid Flow Through a Pipe
  528. about the Larmor power formula
  529. Law of Conservation of energy
  530. How to count coulombs?
  531. physics of toys
  532. Odd voltages on home built PSU
  533. particle collision
  534. current density constant in time implies charge density linear in time?
  535. Stress state in a beam
  536. Why angular acceleration is positive if object rotating clockwise is slowing down?
  537. pressure decay as a function of time
  538. convert from unit vector to (maybe) special euler angles on a machine tool
  539. TE Mode for Waveguides
  540. Relation between heat capacity and internal energy
  541. Gravity/Density formula
  542. Help, Gravity on objects thrown up
  543. Continuity/Gauss' divergence
  544. Deeply flawed friction problems
  545. Coupled oscillators
  546. Motion of a wire in a magnetic field
  547. Utility of Form factor and Crest factor in an AC waverform
  548. Magnetic Levitation Help
  549. Fundamental doubt in Thermodynamics
  550. Questionning the secong law of thermodynamics
  551. Permeability and Permittivity of Free space versus particules
  552. hexagon problem (mechanics)
  553. Hot Freezers
  554. I am building a mouse trap car and I have several design issues.
  555. Flow between parallel plates.. or not.
  556. Ampère force law, action, reaction
  557. Question about heating something under constant pressure/volume
  558. Netwons Third Law
  559. Physics as it Relates to Pedalling a Bike
  560. Negative permittivity but positive permeability
  561. Gravitational Potential Energy Definition
  562. Mechanical Energy Definition
  563. Temperature and Average Kinetic Energy
  564. depression of freezing point in freeze dried emulsion
  565. magnetic field in conductor
  566. homopolar motor explained
  567. Ball collisions in terms of vector components
  568. Physics principles and animail locomotion
  569. Conservation of angular momentum
  570. Pendulum mechanics and coherence
  571. Calculating enthalpy from other data
  572. advanced projectile motion problem - moving soldier and target, both with acc.
  573. Turbocharger Question
  574. Question regarding Helmoltz equation
  575. What is the difference between "induced" and "influenced" ?
  576. Circular orbital velocity.
  577. Why do fluid drops are sperical?
  578. Electric field and potential confusion
  579. Magnetic monopoles
  580. Two pm alternators in parallel query
  581. Representation of magnetic hysteresis loss as a resistance in equivalent circuits
  582. Torque and Force due to an external magnetic field
  583. Potential energy of a rocket
  584. Thermo cyphon to drive barbeque spit?
  585. Cooling heated gas under pressure with water
  586. phase trajectory
  587. Projectile Motion with Air Resistance
  588. calculating electical energy induction.
  589. Rigorous Coupled Wave Analisys - help
  590. Would love some clarification with optics
  591. Reconciling Magnetism in material and the Lorentz Force equation
  592. Kinetic Energy Paradox
  593. Newton and Coulomb laws link
  594. What is the field strength and when does a situation like this occur?
  595. Modelling of condensation in air
  596. entropy change and origin of life
  597. Race cars - Torque vs Hp - The Undiscovered Country (for many)
  598. Flux Density and Capitance relationship?
  599. Sun and snow...
  600. How to determine the time it takes for metals to reach a temp
  601. Internal Energy - Is there a maximum value?
  602. Single Particle Dynamics in EM Fields.
  603. Electromagnetic Waves and Fields
  604. Equation for Pressure vs Time
  605. Droping Bullets
  606. Total Flux Density VS Total Field Intensity VS Current Density
  607. Hydrostatic Equilibrium Thought Experiments, for clarification
  608. structural dynamics
  609. help me
  610. Phaser to Cartesian
  611. Question About Light and Nearsightedness
  612. Why do light bulbs don't explode?
  613. velocity of earth
  614. Static Equilibrium
  615. Moments of Inertia of a Flat Body
  616. Ice vs. Dry Ice total BTU cooling to 25 degrees C
  617. Lines of action of forces and net torque
  618. Curl reversibility?
  619. (question) Magnetic monopole
  620. What is order parameter and how to find critical temperature?
  621. The elastic collisions of gas
  622. L=T+w? (Lagrangian dynamics)
  623. uniqeness theorem in em
  624. A question about Earth's atmosphere/fluids
  625. Kinetic Theory
  626. Question about mercury's vapor pressure
  627. Conducting Sphere Floating in Dielectric
  628. Question reguarding gravitational pull
  629. Rutherford Scattering
  630. Interesting Puzzle
  631. Kinetic energy was supposed to be simple...
  632. Inductive Coupling/Tesla Effect
  633. Where i can find complete data for material elastic constants??
  634. Eddie Current Braking System
  635. Simple DC voltage question
  636. knowing the frequency of light
  637. feynman on visualizaing the electromagnetic field
  638. What has to be true to use conservation of momentum vs. energy
  639. Magnetic field lines
  640. Classical Physics Group in Pittsburgh, PA
  641. question about space junk in orbit
  642. i need some help
  643. Would this create an electromagnetic wave?
  644. The mathematics of circular motion.
  645. Drop the Moon 1m From the Earth, what's the acceleration?
  646. Intensity of test charge.
  647. Textbooks that cover plane mirror waveguides
  648. Op Amp Offset Voltage
  649. Heating & Cooling of Water
  650. statistical deviation
  651. Designing High School Lenz's Law Experiment
  652. Speed of a soliton and its energy
  653. Diffusion rate
  654. Electrifying a permanent magnet
  655. Pithy optics question
  656. tsallis entropy anyone?
  657. [Ray tracing] Resultant of electric field components
  658. Calculating the boiling point of water
  659. If you cut a magnet in two, why do you get two magnets?
  660. Please can someone check this
  661. Dont understand Gravitation Inside Earth concept
  662. help in simulation of stone skipping
  663. Derivation of Euler-Lagrange Equation
  664. computing light
  665. Noether's Theorem and the associated Noether Charge
  666. kenetic fluid energy
  667. Thermodynamics 2nd Law Please Help! :(
  668. turning vehicles
  669. Variant of Maxwell's demon
  670. Sinusoidal voltage applied to zero resistance conductor
  671. Statistical Mechanical interpretation of work and heat
  672. Variation in electrical lines of forces with intensity.
  673. How far does red light travel.
  674. Gravity for a point inside the earth
  675. Drag equation derivation?
  676. multi particle collisions
  677. Wave Polarization
  678. Gravity as a tensor field
  679. Jackson 5.26
  680. Mutual Inductance
  681. Magnetic fields across lines and surfaces
  682. Pressure of fluids
  683. High Voltage to bring electricity to the cities
  684. Conservation of Charges
  685. adding inertia tensors
  686. senior project ideas
  687. Orbiting Magnets
  688. Thermal Radiation and Heat Engines
  689. Photovoltaics are heat sinks?
  690. Electric field bounded by two spherical shells
  691. frequency in a wire
  692. Complex permittivity
  693. Electirc Field Amplitude Radiation Pattern??
  694. How to find the k constant of a spring?
  695. 3D Motion Simulation
  696. is there anyone who is familiar with numerical simulation of solitons ?
  697. EMI (Electromagnetic induction) using a current carrying wire and circular conductor
  698. Dark field: Conjugate images
  699. time-negative quantity
  700. Second law of Thermodynamics - does this violate it?
  701. Centre of Mass of two Gravitating bodies from rest
  702. Heat conductivity depending on temperature
  703. Question from Lanczos book - genearlized momentum
  704. Radiowaves to Electric waves
  705. how much does a falling object "weights"?
  706. Photoelectric effect violating entropy?
  707. Excited gas question
  708. Ideal gas simple question
  709. Double Pendulum with motor between segments
  710. Momentum of the angular inertia of two solids.
  711. Physical information and invariant manifolds
  712. Charge seperation.
  713. Simple 2D collision formula developments
  714. Shear Interferometer to test collimation
  715. P and T transformations of EM vector potential
  716. Experimental Polarization Techniques
  717. Magnetics, question
  718. Physical information and invariant manifolds
  719. if I jump from height of 5ft to ground -what is g-force of impact
  720. Flux lines.
  721. Dealing with variable force
  722. Electricity in humid vs. dry air?
  723. Sound isolation capacity of an idealized wall construction
  724. Steering related doubt
  725. Dampened Harmonic Motion Derivation
  726. what are incoherent waves?
  727. Pls explain me permittivity
  728. Integrating the inverse square law
  729. Raising boiling point of salt water
  730. Constant acceleration requires continous power increase!
  731. measuring torque
  732. Voltage without knowing current
  733. Help with a momentum exchange please!
  734. how do i compute distance if shot at 45degrees
  735. electric and magnetic fields
  736. Derivation for Magnetic Field Due to Dipole
  737. OC voltage
  738. I was wondering
  739. entropy
  740. Doubt regarding Force exerted by a magnetic field on a moving charge
  741. Hockey stick data
  742. Relationship between electricity and magnetism
  743. n-dipoles in the heart
  744. Magnetic Induction Line
  745. EcoBike
  746. Monopoles
  747. Horespower - automotive?
  748. Causality
  749. Coefficient of friction
  750. mercury: expansion with temperature
  751. Electromagnetic plane waves in vacuo
  752. Newton's Law of Cooling. little question about 'Specific heat' of Mercury
  753. Conversion of Energy
  754. Calculating "Additional" Braking Torque Due To Momentum
  755. Absolute Zero on celsius scale
  756. Partition Functions
  757. Feynman's "apparent" paradox - Electromagnetism
  758. Why airplanes really fly
  759. How to decide the sign of a potential
  760. Simple Derivation Of Diode Equation
  761. Electric flux
  762. Force between magnetic poles
  763. Electromagnetic Momentum and Energy
  764. Gibbs vs Helmoltz potential in magnetic systems
  765. Newbie question - Magnetic fields vs Rolex
  766. How do you determine the amplitude of a wave exhibiting simple harmonic motion?
  767. Biot-Savart Law
  768. Magnetic cooling
  769. heat flow
  770. Do soundwaves heat up the air through which they travel?
  771. Diffraction by a perfectly conducting cylinder using UTD???!
  772. Rope tension?
  773. 2 adiabatic processes
  774. Seebeck Voltage Calculation
  775. Electromagnets and conservation of energy
  776. electromagnetism and dynamics
  777. thermocouple calculation
  778. Optics - why chromatic aberrations
  779. electrical resistance
  780. Renormalisation group in statistical mechanics
  781. Motion on Function
  782. Momentum Conservation
  783. Cells in a battery
  784. Confused about the cause of Magnetism
  785. Dipole in an Uniform Electric Field:
  786. The property of force
  787. Impact force
  788. Magnetic Forces
  789. Induction in Transformers
  790. About infinite inductance, zero capacitance!
  791. Real World Application: Intersection Signal Sensors
  792. Hubble trouble?
  793. Bernoulli : temperature lower in a restriction?
  794. Electric Field of an Electromagnetic Wave
  795. Shower curtain
  796. transformer with wire running through as secondary
  797. Energy in different F.O.R
  798. Is it possible to break a circuit electronically?
  799. Newtonian potential in Helmholtz decomposition
  800. Getting shocked question
  801. How to calculate the work from force (acceleration and mass)
  802. lagrange multipliers and variation of functions
  803. Rate of change of angle between a particle and a field
  804. E=V/d
  805. Deriving value of capacitance using E = V/d
  806. Circular argument in the first law of thermodynamics ?
  807. Transimission Of EM waves in conductors at an angle of incidence
  808. Two types of precession?
  809. Energy stored in a capacitor
  810. Entropy correction term?!
  811. help , display tempareture using lcd
  812. The P.D of a charged capacitor should be more than the charging source.....
  813. Reactive centifugal force.
  814. Canceling Electromagnetic Fields
  815. Rotational & linear dynamics: why so similar?
  816. entropy in big bang vs big crunch
  817. Interference
  818. code
  819. 3 Law on Reynolds momentum transport equation
  820. Confused about Ohms law
  821. Stopping a Pendulum
  822. Can a TRIAC be used to reduce power consumtion for a charger?
  823. Voltage/Current phase diff and more...
  824. Question about the neutral wire in an electrical system...
  825. Light from electron levels, but radio from AC?
  826. Temperature Required to Cool a Fluid in a Silicon Tube
  827. Robot Arm Torque Calculation
  828. Nonuniform density of a planet
  829. Pressure in fluids
  830. Static charges
  831. epidemics and thermal cameras
  832. Variation on Pendulum Function
  833. Can spinning an electromagnet increase its strength?
  834. Why about 1 kJ/kg/K for so many solids?
  835. A question about saturation in gases
  836. Energy used during vehicle trips from GPS data
  837. Ultraviolet catastrophe
  838. Potential difference 'inside' a capacitor
  839. oscillating dipole
  840. The unification of electric and magnetic forces
  841. Charging potential vs time graph.
  842. Centripetal force .
  843. Conservation of momentum and loss of energy in inelastic collisions
  844. about the magnetic vector potential
  845. Radiators and Fan Arrangement Questions to improve performance...
  846. Moment of Inertia of a cylinder
  847. Same gravitational acceleration of unequal masses
  848. Action-Angle Variables
  849. Keplerian Orbits
  850. Enthalpy with regards to heat exchangers and air
  851. Energy in Electromagnetic fields
  852. complex conductivity question
  853. Friction generating torque
  854. Why a spinning top won't fall to the ground?
  855. Am I understand heat well?
  856. Plasma frequency
  857. Defining charge induction.
  858. Complex Dielectric Function Resource?
  859. The Conservation of Energy
  860. Is plasma frequency a maximum?
  861. conservation of momentum and springs
  862. Mechanics of a torsion pendulum
  863. Frequency higher then plasma frequency
  864. frequency question
  865. how to collect the energy from the heat of the environment
  866. a falling mass attached to a load/slowing acceleration of gravity.
  867. What do you mean when we say there cant be E.F 'inside' a conductor?
  868. Skin depth question
  869. EM radiation becoming heat
  870. Electric Potential
  871. Question about pulses
  872. Calculating calorie with the help of pedometer
  873. Magnetization
  874. Newton's Third Law
  875. Kirchhoff's First Rule - Electrical Charge / Energy Conservation
  876. Question regarding potential formulas
  877. Isotropic diffusion tensor
  878. resonant absroption
  879. Kepler's 2nd Law Proof?
  880. Generation of a magnetic field by rotating a charged ring
  881. [Q]Is field made by Polarization different from external field?
  882. Conventional Current
  883. D'alembert principle
  884. Electron oscillation
  885. charge on conducting and non-conducting body
  886. 2 questions about em waves
  887. Resistance / Frequency relationship
  888. Why do wheels work?
  889. Reflexion on a conductor
  890. Deforming rod
  891. Magnetic field
  892. Angular velocity vs Quaternions
  893. Fluid mechanics?
  894. Huygens' principle and phase shift
  895. Graphing question with Springs and Energy?
  896. Transform tables
  897. Effects of Friction on Deceleration.
  898. We dont know much about E.Fs...do we?
  899. Coulomb Gauge vs. Lorentz Gauge transformation
  900. Another question about Entropy
  901. conservation of momentum on a swing
  902. EM wave at boundary
  903. Can you help judge a physics bet?
  904. Stream Function in 3D
  905. Can you explain how momentum is conserved while KE isn't in an inelastic collision??
  906. U value of glass
  907. Electromagnetic tensor
  908. modulation ?
  909. Making a Magnetic Levitation Train
  910. How do Toroids work, and What are they used for?
  911. Rolling and sliding sphere
  912. Conservation of Linear/Angular Momentum?
  913. derivation of Lienard-Wiechart
  914. Work Done on the Mass by a spring in the horizontal plane perpendicu to earth center
  915. Electric flux density a direct measuer of E?
  916. Is this property of lines of force true for E.M?
  917. How do you work out the take off velocity from max vertical height attained?
  918. Are chaotic systems really determinitistic?
  919. Maxwells equation and Doppler Shift.
  920. Is a refrigeration laser thermodynamically possible?
  921. Electron distribution in a metal under the influence of a field.
  922. radio static
  923. question concerning polarisation
  924. Role of rear wheels in steering
  925. The Young's double slit exp. and some general waves
  926. Radiation heat of a gas
  927. Pulley / Mechanical advantage
  928. A simple question about gravity.
  929. Angular momentum, Spin and satelites
  930. How do you make the potential zero at infinity, here
  931. Entropy as a state function?
  932. Lagrangian of a Force Law, with magnetic monopole
  933. Particle simulation
  934. Electrical field lines in conductive wire
  935. Density of Electrons inside cylinder wire
  936. Magnetic field caused by one Electron ?
  937. Why Legendre transform?
  938. Reverse osmosis perpetual motion machine
  939. Rf
  940. Friction Misunderstanding?
  941. electric shock
  942. Making photos under the water with common camera
  943. Motion Model using Quaternions & Angular Velocity
  944. About 'origin' of the centrifugal force
  945. Degenerating force in Lagrangian mechanics
  946. taking heat off of Sunlight?
  947. Radiance (optics) Units?
  948. Solid Angle of the Sun Derivation
  949. Liouville's Eq. applied to debris in space
  950. lightning
  951. Is it viable to talk about physical impacts in terms of force instead of energy?
  952. Reading current through a capacitor
  953. Frame dependence of temperature
  954. Spring mass system with applied force kinetic energy
  955. Simple Work On Line Question.
  956. Linear Accelerator
  957. Gravitational Path of an Object
  958. Thermal Equilibrium
  959. RC time constant
  960. about rotation and precession
  961. Earth-Moon system
  962. Varied Electrical Potential Difference with Dielectric.
  963. Work = F*d = energy transferred?? PLEASE HELP!
  964. Formula for differential wheels translation/rotation
  965. Rotational inertia of truck and trailer
  966. Double coil
  967. penning trap
  968. What does "the path of least resistance" really mean?
  969. Electric Circuits
  970. Degausing 101?
  971. at what angle can you put the front wheel of a bicycle and still be able to steer it?
  972. heating of solid - interatomic potential
  973. Physics of Billiard
  974. Understanding the first law of thermodynamics in a particular situation
  975. Temporarily communicating vessel isolated hydroelectric power plant
  976. Three masses elastic collision
  977. Rectangular Waveguide Field in Polar Coordinates
  978. Energy extraction help requested
  979. Polarisation of light
  980. Diffusion Coefficient for gases at different temperatures
  981. Chatter Rings
  982. time reversal invariance
  983. Angular momentum conservation principle
  984. Pipe diameter expansion due to temperature increase
  985. Understanding derivation of kinetic energy from impulse?
  986. The rate of temperature change
  987. Streamer velocity in air
  988. A reliable source for the terminal velocity of a tennis ball.
  989. Confused about conservation of momentum
  990. quarternians in Physics
  991. Lever question when lever is angled
  992. Am I right to conclude this about mass?
  993. Differences between the Francis Formula & Torrecelli Formula
  994. Earth's Elliptical Orbit around the Sun..
  995. Force on point magnetic dipole
  996. Quadrupole Potential: Help Derive and Decipher This Beast!
  997. Does air keep weight
  998. Centrifugal foce
  999. Ray transfer martix of interface
  1000. Energy loss without displacement
  1001. bitter magnets
  1002. Kelvin equation
  1003. Entropy increase in gravitational collapse.
  1004. entropy
  1005. Determining mass distribution for team-lifting of arbitrary objects
  1006. calculation of net audio stream from a mix of sources?
  1007. Does the gravitational field have energy like the electric field ?
  1008. hydrostatic behaviour - water in tube
  1009. Does the movement of protons create a magnetic field?
  1010. Alnico Magnets pole reversal
  1011. Is Maxwell's Electrodynamic Theory Violated?
  1012. Demagnetizing field
  1013. the "d" in Newton's second law of motion?
  1014. Moment independent of direction of force?
  1015. Question on energy
  1016. Two sets of waves in a Hertzian Dipole?
  1017. metal sphere torn apart in electric field!
  1018. A Wave's Effect on Matter
  1019. tagential hall's effect
  1020. Elastic collision questions
  1021. Double Ball Drop
  1022. Introductory Thermodynamics and mathematical consistency?
  1023. A confusion about Energy and Capacitors
  1024. Where does the missing energy go?!!
  1025. Moment of Inertia of Solid and Hollow Spheres using Disks and Rings Respectively
  1026. Visualising the effect of surface tension
  1027. How to show that motion of a rigid body = translation + rotation
  1028. Density gradient in a fluid
  1029. What will be the value of r here.
  1030. Difference between torque and moment
  1031. Magnetic 'lines'
  1032. An idea on explaining the weak equivalence principle
  1033. Hysteresis loop
  1034. I was just wondering (not a hw question) whats the best design for penny barge?
  1035. the mud flies off the tyre of a moving motor cycle in the direction:
  1036. young's modulus and bulk modulus of cooked pasta
  1037. Why does fly fly?
  1038. A rule for lightning that’s like the inverse square
  1039. funny balloon thought experiment
  1040. Charge is relative?
  1041. Couple questions regarding batteries
  1042. A hole in earth
  1043. Polarizaition and susceptibility
  1044. An upper bound in temperature?
  1045. Electric/magnetic lines of force's fundamental property.
  1046. Cyclic Model of the Universe: Thermodynamics
  1047. canonical variables
  1048. Rolling different masses down a hill - Intertia Question
  1049. Photon Energy Questions
  1050. Newton's first law
  1051. The rate of cooling of a material in air, or with no barrier between materials
  1052. Electrostatics in 3d vs 2d
  1053. massless spring
  1054. rotational symmetry
  1055. Magnetic Permeability
  1056. Motion expressed as energy.
  1057. How to determin the momentum eA of electromagnetic field?
  1058. The acceleration of falling backwards
  1059. Dipole Moment
  1060. Any deep cause of magnetic field
  1061. The definition of 3-vectors?
  1062. Classify Cam mechanism as....??
  1063. Can magnetic dipoles have potential energy?
  1064. Which Resnick textbook to get for mechanics?
  1065. electron/positron annihilation/momentum
  1066. Bohr's calculation of stopping power
  1067. carnot engine
  1068. Can magnetic flux bend?
  1069. Breaking (locking wheels)
  1070. Question about TE_TM wave.
  1071. Fourier transform spectroscopy
  1072. Canonical Transformation
  1073. Another conservation of momentum question, but this one involves gravity!
  1074. Einstein temperature
  1075. Electric field distribution in a conductor with moving charges
  1076. Electric/magnetic lines of force's property.
  1077. General Electrical Interactions for Home Project
  1078. a few questions about different stuff (plus request for a good source to learn)
  1079. How does changing flux produce a field.
  1080. Why is the electrodynamic Lagrangian E^2 - B^2?
  1081. Gravitational Force between two bodies when Distance is zero
  1082. Filling of a gas (air) tank
  1083. Finding the angle of edge diffraction
  1084. Question About Derivative Notation
  1085. Car's Max. Fuel-Efficient Speed
  1086. winch design question
  1087. Atmosphere of steam
  1088. Youngs two slit experiment problems
  1089. Entropy and sliding block with friction
  1090. numerical methods in magnetostatics
  1091. Peak force of falling object
  1092. Centripetal Force question
  1093. Is the second's law of thermodynamics fundamental?
  1094. Transformers ratio.
  1095. integral of force squared
  1096. Direct Upwind Sailing Boat
  1097. Absolute velocity measurements
  1098. capacitance of a cylindric capacitor (only a piece)
  1099. Carnot`s theorem corollary
  1100. Angular momentum vs. Linear momentum
  1101. A rod which flixed in only 1 direction.
  1102. Equilibrium of an electric dipole
  1103. Work: does distance HAVE to be linear?
  1104. Capacitance of Non-parallel plate capacitor
  1105. Inductance in an AC generator.
  1106. Equipotential Surfaces
  1107. is there a func' for ideal x-section area in a resonant beam?
  1108. Why is kinetic energy conserved?
  1109. a flaw in the wavelenght/frequency formula?? FTW???
  1110. Referenced in this thread in many places.. Need this material
  1111. Two Spring Two mass resonance
  1112. Is temperature relative?
  1113. Internal Ballistics
  1114. Gravitational Potential Energy during a Free-Fall Impact
  1115. Coservation of momentum in inelastic collisions
  1116. Electromagnetic wave constituents
  1117. Rotation under varying torque
  1118. Rotation about the center of mass and spin angular momentum
  1119. Phase shift on reflection
  1120. Coils
  1121. From Kepler's law to gravitation force
  1122. Light as a "wave"? Of what?
  1123. diy measurement of car efficiency
  1124. hakk effect gauss meter practice
  1125. Force on a Permanent Magnet Falling through a Coil
  1126. Entropy and Equilibrium
  1127. To estimate the required torque
  1128. Impact loading on a massed beam
  1129. Entropy Transfer?
  1130. Rotational mechanics
  1131. charged insulator
  1132. TM and TE mode
  1133. conservation of momentum
  1134. Help needed to design a pulse jet engine.
  1135. Collisionless plasma, conservation of energy
  1136. Relative Entropy?
  1137. Potential Energy
  1138. Lines of force?
  1139. Water Surface with Bernouli's Equation
  1140. Loop de loop problem
  1141. Fock scattering functions
  1142. Kinetic Friction Experiment Conservation of Energy Question
  1143. Creating visible light using an antenna
  1144. Iron ball in water, reading on weighing machine
  1145. Spinning block begins to twist in mid-air?
  1146. Difference in quasi elastic scattering and non elastic scattering
  1147. Tunable Fabry-Perot interferometer
  1148. maxwells deamon
  1149. Direction of an object when the net force is 0
  1150. Flory Huggins theory for linear polymer chains...
  1151. Finding Velocity from Force, Comsol Multiphysics (transient)
  1152. parallel and perpendicuar axis theorems and other stuff on rotational mechanics
  1153. Confusion with Gauss's law .
  1154. Solving the Drag equation
  1155. Potential vs. Potential Energy
  1156. Electric field of infinite plane
  1157. My model of light.
  1158. the most basic question re: acceleration, velocity, and force
  1159. Magnetic field of moving charged particle
  1160. Jackson Question
  1161. Lorentz force and Maxwell Equations
  1162. Rate of change of acceleration?
  1163. What bubbles insulate best?
  1164. Rotational mechanics
  1165. Conservation of energy
  1166. Acceleration of Coasting Vehicle Down Inclined Plane
  1167. Rotational force problem
  1168. Electrostatic induction in a conductor
  1169. Electrostatic induction in a conductor
  1170. Relationship between electric field intensity and potential
  1171. Heated water in closed cylinder with electricity
  1172. How to derive Lienard-Wiechert potential from Maxwell's equation?
  1173. Short circuit
  1174. There are voltage drops based on Q, dQ/dt, and d(dQ/dt); what about d(d(dQ/dt))?
  1175. hypothetical question
  1176. energy
  1177. Prove that an object, if thrown up under gravity...
  1178. Impedance questions
  1179. circular polarized glasses, how it works
  1180. euilibrium of a deformable body
  1181. Buoyancy of a submerged barrel
  1182. Corona discharge data
  1183. Micro-magnet field strength
  1184. Gauss'theorem validity
  1185. Optics : Polygonal mirrors
  1186. Easiest way to pull an object
  1187. nabla dot B =0 ??
  1188. Lagrangian Mechanics
  1189. Lagrangian and causality
  1190. Total Energy of Pendulum
  1191. Nutational damping in satellites
  1192. Matter travelling as waves
  1193. Action-Angle Variables ?
  1194. Ill-posed question.
  1195. a little question
  1196. How do wheels decrease the amount of energy needed to move an object?
  1197. Can someone explain Gauss' Law for Magnetism
  1198. center of mass question!
  1199. Magnetic propulsion
  1200. Speed of an air molecule when transmitting sound of frequency f
  1201. Acceleration in space?
  1202. chromatic dispersion
  1203. Straight up standing pendulum
  1204. Thermodynamics: Open system: outlet but no inlet
  1205. Analyzing Spectra
  1206. Electron Storage Ring Longitudinal Emittance
  1207. electromagnetic scattering on a sphere
  1208. Electronic charge ?
  1209. Question: Does the nuetron have a tiny electric charge?
  1210. Air velocity from a tyre
  1211. Question: electric field within insulator
  1212. Launching a balloon
  1213. Co-ordinate systems and velocities
  1214. Electric field
  1215. Ball hitting 45 degree slope
  1216. COMSOL_Predeposition or Carburation
  1217. Confusion with the example of Newton’s first law
  1218. is therte any one who wants to chat about my problems with youngs 2 slit experiment ?
  1219. Newtons's third law violation
  1220. Electric field of uniform charge density
  1221. Definition of Curl
  1222. Need help on literature
  1223. Power to rotate shaft in bending
  1224. Water pressure, volume, temperature
  1225. Water drop on a hot surface.
  1226. Object on a string with a string wrapping around
  1227. Good explantion of Gauss' Law but I have a question
  1228. Volume enclosed by isosurfaces in electrostatics
  1229. 1ve broken the 1st law of thermodynamics, ive created energy
  1230. young's double slit experiment
  1231. coriolis forse and cylindrical co-ordinates
  1232. Boiling eggs
  1233. Question regarding Newton's absolute space.
  1234. Spacecraft at ISS
  1235. Clarification on Shallow Water Wave Equation
  1236. the bore on the river
  1237. How to define/measure temperature?
  1238. A question regarding momentum
  1239. diffraction of incoherent beam
  1240. Adiabatic atmosphere
  1241. Acceleration
  1242. Explanation wanted for a demonstration in MIT phyiscs lec #6
  1243. Bike mechanics question
  1244. Change in Voltage across a Capacitor?
  1245. Rms speed vs average speed
  1246. How does a boomerang work?
  1247. Unit definitions for E and B
  1248. Transmitter
  1249. Capacitance only geometry dependent?
  1250. EM waves - energy transfer
  1251. EM mode
  1252. near-to-far field tranformation
  1253. Simple question about water pressure in a cylinder
  1254. Calculate angle of reflection.
  1255. Question: milikan experiment photoelectric effect
  1256. wind vs relative wind (A Thermdynamics and aerodynamics issue)
  1257. magnetic field of solenoid
  1258. Why is there a force between two objects?
  1259. Center of mass of the earth and the moon
  1260. Solution to Laplace's equation in spherical co-ordinates
  1261. Question about electricity and magnetism
  1262. classical physics
  1263. Ever play with a rattleback
  1264. Method of image charges: any extension for oscillating fields?
  1265. Electricity
  1266. Spherical Harmonics Normalization
  1267. The Doppler Effect (in general)
  1268. rotational inertia and areal velocity
  1269. thermal conductivity
  1270. Is the group velocity necessarily slower than light (STL)?
  1271. Bouyant Force on a Scale
  1272. microfluidic problem
  1273. Question on "Two theorems for the group velocity in dispersive media"
  1274. Conservation of energy and angular momentum
  1275. matlab issue
  1276. Orthographic critique about an arxiv paper
  1277. Latent heat effects thermal equilibrium
  1278. Damped Resonance Frequency OF series LCR circuit
  1279. some of simple machines
  1280. Schwartz's Derivation of Electric Field in Conducting Medium
  1281. Difference between cross section and cross sectional area?
  1282. simple harmonic oscilator
  1283. Gravitation between particle and rod. Simple integration. Problem with answer.
  1284. gyroscopic exercise tool
  1285. Conservation of Momentum
  1286. Galactic fluid dynamics
  1287. magnetic lines of force through soft ring
  1288. Reference frame for uniform circular motion
  1289. gravitational potential energy questions
  1290. Magician seeking help with deadly pendulum problem
  1291. Seeking help with thermal regimes
  1292. The law of conservation of momentum is WRONG...practically tried.
  1293. faraday's law
  1294. Cooling of water
  1295. This invention should work ELSE the conservation laws are wrong.
  1296. velocity of surface water wave
  1297. Rotation of Rigid bodies
  1298. Is 1/R^3 descriptive of magnetic force drop off?
  1299. energy required to ionize air
  1300. Velocity vs. angle
  1301. Very Quick U Value Question
  1302. Confusion about canonical transformations
  1303. Electromagnetic fields/waves
  1304. Not your usual Cavendish
  1305. Fundamental Frequency
  1306. 2 bar linkage/double pendulum
  1307. What is a force?
  1308. Why do objects bounce?
  1309. Noob physics problem question
  1310. Back of the Envelope Calculation of Earth's Charge
  1311. Stationary / nonstationary EM fields
  1312. Does AC current have direction? And how can I find the "live" wire (household plug)?
  1313. Point loading a catenary.
  1314. Induction
  1315. How can a potential depending on velocities give equal and opposite forces?
  1316. Strange water boiling phenomenon
  1317. Electromagnetic Lasers
  1318. orbital motion
  1319. Poincare sphere and Degree of polarization
  1320. Direction of Torque
  1321. Physics Simulation
  1322. Laser Light
  1323. Laraudogoitia’s supertask
  1324. hydrodynamics, potential flow in 2D
  1325. Bathroom Optics
  1326. Osbourne Reynolds: "The Sub-mechanics of the Universe"
  1327. wave equation, general solution, cylindrical symmetry
  1328. The Lagrangian for a free particle
  1329. Help? How many HP, torque, etc to spin this...
  1330. Archimedes Death Ray
  1331. Del dot E equals 0 and Del dot B equals 0, both in a vacuum
  1332. Maxwell's Equations
  1333. Del dot B = 0
  1334. No Such Thing As Magnetic Flux Density
  1335. What is an electric field, really?
  1336. What is an electric field???
  1337. Do you wonder why people get confused?
  1338. Metal Shavings vs infinite lines of flux
  1339. Solenoids and magnet shapes
  1340. Torque required!!!
  1341. Electric Load Simulator
  1342. Formula 1 racing accident
  1343. Perturbation technique
  1344. variable acceleration question
  1345. Bullet Penetration
  1346. Euler relation
  1347. vectors and coordinate transformations
  1348. complex signal
  1349. Maximum velocity of a vehicle moving downhill
  1350. curve trajectory
  1351. the big accelerator 'round the Moon
  1352. Work question
  1353. circular magnetic feilds
  1354. Work question 2
  1355. max bursting pressure within an aluminium container
  1356. Specific Heats and Temperature
  1357. TM wave
  1358. how to quantify seebeck effect
  1359. solid sphere rolling on rough surface
  1360. question about conservation of energy/mass
  1361. Derivation of Boltzmann distribution, heatbaths
  1362. Frequency of an electromagnet
  1363. Is a photon's momentum transverse?
  1364. Normal reaction in a rolling object
  1365. Heating solid to high temperature
  1366. forces that depend only on distance
  1367. Fluid mechanics question
  1368. Relativistic covariance in classical mechanics?
  1369. Johnson noise power distribution?
  1370. Rocket Equation with varying gravity
  1371. Tom
  1372. Statistical Ensembles
  1373. Joining two orbiting space vehicles
  1374. 2 acceleration components
  1375. amperes law and electrodynamics and Gauss's law
  1376. A few conceptual questions on Heat and Temperature
  1377. Rolling motion on inclined plane: centre of mass acceleration, friction, torque
  1378. Centifugal Force and Gravity
  1379. rolling a ball down a hill
  1380. Determining the angular and linear accelerations of a Rigid Body
  1381. Drag forces: Regime I/II
  1382. How does magnetism induce current
  1383. Dynamics of charged particles and quantum effects
  1384. Viscosity - how to calculate the internal force in a fluid
  1385. Electricity/Water Analogy Fails?
  1386. coarse and fine grained entropy?
  1387. Learning Lagrangian Mechanics
  1388. Does a co-accelerated charge radiate?
  1389. AC/DC Circuits
  1390. Magnetic fields and current
  1391. Toroids
  1392. water waves
  1393. Free charges on a sphere
  1394. Help with thin lenses and uncertanty
  1395. Wave Problem
  1396. Potential energy between two oppositely charged ions in a crystal
  1397. Friction, heat, time & surface area
  1398. gaussian surface
  1399. System of identical particles
  1400. Where does exp(-4pi^2) appear in physics?
  1401. EMF and charging of a battery
  1402. Principle of Least Action in Electrostatics
  1403. Magnets?
  1404. The Wilson equation
  1405. Bumper Fishing.
  1406. Steam Turbine / Tesla Turbine - bladless rotor in steam turbine?
  1407. Electric Circuits
  1408. High voltage power lines
  1409. Collisions and Combining Torques
  1410. Mechanics-Diff equation problem
  1411. charge inside a conductor
  1412. principle of lightining conductor
  1413. role of capacitors
  1414. Is there a formula to calculate load on multiple ropes?
  1415. CPU Cooler
  1416. What are these physical quantites in electrodynamics?
  1417. radius of curvature
  1418. Oscillating Electric Field Lines
  1419. Motion
  1420. a liquid similar water?
  1421. back pressure in piezoelectric pump
  1422. magnetic forces on plates
  1423. Resistance Heating of Surface
  1424. Force required to turn shaft
  1425. Laplace Equation on semi-infinite plate
  1426. Rotation Mechanics about Unfixed Points
  1427. Feynman's description of angular momentum
  1428. When would impulse be used?
  1429. torque,flywheels and angular acceleration
  1430. bungee jumping
  1431. Point Charge
  1432. Vector problem
  1433. Poynting Vector Dilemma
  1434. Avometer
  1435. Spectrum of plane EM wave
  1436. Continuity Like Equation
  1437. Voltage and Tasers
  1438. Kinetic Theory of Gases
  1439. is B with curl 0 possible?
  1440. Paddle Wheel Torque Calculations
  1441. Canonical ensemble
  1442. total inductance(for six coils)
  1443. Death wobble. Uncontrollable side to side movement of wheels.
  1444. Beers Law with Spherical Symmetry
  1445. Work done by friction
  1446. Entropy: steam engines and fridges
  1447. H theorem: equilibrium in statistical mechanics
  1448. Microsate
  1449. Need help with my bicycle computer project
  1450. Radiation Fundamentals
  1451. How much mass does it take before photons will have a stable orbit?
  1452. Alternative Energy Tank
  1453. Heating water in a sealed bottle
  1454. Frictional Torque at the axle
  1455. Superconductors and Energy Conservation
  1456. Compute the volume charge density of a charged spherical conductor
  1457. A question about charged bodies/gravitation
  1458. Negative Voltage
  1459. How to measure quantity of electricity without Coulomb law?
  1460. Find E, circular disk. Radial component of E question.
  1461. Mechanics
  1462. Bremsstrahlung
  1463. Paradox of rigid body?
  1464. infinite energy, true?
  1465. Temperature of thermometer and temperature of material constituents
  1466. Question Concerning Gauss' Law
  1467. Order parameter, correlation function and length
  1468. Problem from Griffiths confused me
  1469. Question on a past paper
  1470. zip line physics
  1471. Mohr's Circle
  1472. Definition of the number of microstates accessible to a system
  1473. You are subscribed to this thread "L di/dt" vs. "i dL/dt" kmarinas86
  1474. electrostatic force on a charge
  1475. Heat loss from an insulated water tank ----- Thermodynamics
  1476. Is there current induced in a solenoid in an open circuit?
  1477. field lines
  1478. field lines image
  1479. Don't understand something in proof
  1480. Expanding Sphere in Vacuum
  1481. New here, need some understanding about acceleration.
  1482. velocity of 2-dimensional and 3-dimensional waves
  1483. Magnetic field detectable around axis of laser beam?
  1484. Runge kutta 4 & N-body problem
  1485. Field of a dipole (was: Hello, people)
  1486. Joule-Thomson Coeff. For Air at High dP
  1487. Pressure Wave from Rapid Balloon Expansion
  1488. Modelling electromagnetic wave reflection
  1489. non quantized light
  1490. electromagnetic forces
  1491. Behaviour of ionized air when subjected to an electromagnetic field
  1492. Equation of motion
  1493. Fluid mechanics(viscosity)
  1494. Mohr's Circle and understanding its maximums and minimums
  1495. Uniform Field
  1496. Question about eddy currents
  1497. What is entropy, really?
  1498. Work done by rolling inverted pendulum system
  1499. a doubt on fluid mechanics
  1500. Force and Momentum
  1501. how is force distributed orthogonally along a material plane?
  1502. A silly question
  1503. Parallel line currents & Lorentz transformation
  1504. Wave Train Problem
  1505. doppler effect for sound
  1506. Forces to crack a pouch after a fall
  1507. Have a strange question
  1508. Working model of a permanent magnet?
  1509. Particle disturbance by passing EM wave reveals momentum of EM wave?
  1510. A.C. Circuits -- Graphs
  1511. Electric flux related to perpendicular suf???
  1512. Proving thevenin's theorm correct.
  1513. Hydrogen atom as an example of perpetual motion
  1514. curl of E for charge
  1515. Air resistance on rotating cylinder
  1516. Size of a Diamagnetic
  1517. Power dissipation in inductors
  1518. Long solenoid with ac.
  1519. Parallel resonance LC circuit
  1520. Could someone explain to me Fermat's theorem?
  1521. field vs potential
  1522. Why does elecricity kill? What causes a magnet to be a magnet?
  1523. Gravity & conservation of energy with two bodies
  1524. Electric potential energy question
  1525. proof that e-field lines don't cross
  1526. Where is the potential energy?
  1527. Electric fields
  1528. Electric Circuit Questions
  1529. change in elctric field & potential
  1530. Does a constant electric flux produce a current?
  1531. Unexpected Magnetic Experiment Results
  1532. Wireless energy transfer coil
  1533. Newton's law of gravitation
  1534. Why is the non headon collision between an object with momentum and an object at rest
  1535. Fluid mech energy formula
  1536. Question about gravitational attraction (from the book of Purcell : Physics Berkeley)
  1537. Stability of electrical charges
  1538. negative feedback
  1539. Work during free expansion of a gas
  1540. Pool water thermodynamics
  1541. over-determined systems, too many degrees of freedom. What's moving?
  1542. Gibbs Paradox Question
  1543. Need formula/help with mass air flow
  1544. What is the difference between voltage and the poynting vector?
  1545. Annoying things in statistical mechanics
  1546. What causes the potential (voltage) in a conductor to rise?
  1547. Question on waves
  1548. Calculate Power Margin Required to Prevent Satellite Link Drop
  1549. Transit time of particle in a particle accelerator question
  1550. Solar bike project, electrical questions
  1551. Hysteresis Confusion
  1552. Would you run faster in lower air pressure?
  1553. Is there a systematic method of determining a systems Hamiltonian from the Lagrangian
  1554. Right angle force on "perfectly stretched string"
  1555. Flow Rate of a Deflation Balloon
  1556. The mystery of entropy
  1557. P-N junction - Need explanation
  1558. Electromagnetic properties tables
  1559. displacement...in terms of acceleration and time
  1560. physics of a Verne Gun
  1561. The mixture of two gases in gravitational field
  1562. Difference in potential induced by a magnetostatic field? O_o
  1563. Photovoltaic cell
  1564. Enthalpy (H=U+PV) What is P, really?
  1565. Understanding EM wave propagation
  1566. Help understanding math on inclined plane example
  1567. protection of car from thndrstrom
  1568. capaticance of thin spherical ball
  1569. induced charge in conducting plate
  1570. Mathematical description of the valveless pulse jet
  1571. questions about lasers and diffraction
  1572. Angular spring physics
  1573. Speed Limit to Running
  1574. Absolute Boundaries in Space
  1575. EM Field versus EM Wave
  1576. Sliding friction on a wheel
  1577. Radio-frequency Harvesting
  1578. Question about spherically symmetric charged objects
  1579. Question about distant galaxies
  1580. Electric Flux Density / Electric Field Intensity
  1581. Deriving a Hamiltonian from dimensionless equations
  1582. cross product, dot product concepts
  1583. On Electromagnetic Radiation and how it propagates through space.
  1584. What is voltage gradient good for? (Read post first)
  1585. matlab issue
  1586. Motor Windings
  1587. Usefulness of multipole expansion of skalar potential
  1588. Combined rotational and translational kinetic energy
  1589. Electric Potential energy for geometric objects
  1590. Why does the inside of a conductor have the same electric potential everywhere?
  1591. second law of thermodynamics,
  1592. Earth's Surface Area that reflects light
  1593. Calculating Motor Engine torque/power using accelerometer data
  1594. Orientation of coil in electric generator: Important?
  1595. TE/TM modes in idelectric waveguides and their effect on light output
  1596. modeling the flight of a frisbee
  1597. Black hole versus 2nd law of thermaldynamics
  1598. Current in a Superconducting Loop
  1599. Ice melting in water
  1600. A Rotation with Translation Movement is standalone natural phenomenon.
  1601. Magnetic acceleration of a "ship" in space (hyper-particle-acceleration?)
  1602. Dirac delta and divergence
  1603. Fluid under centrifugal force (Basic)
  1604. Electric Potential Normalization
  1605. Potential due to a line charge
  1606. When Feynman describes scatterers
  1607. Motion of a point charge near an electric dipole
  1608. Relative Motion
  1609. (1 (+-) v/c) factor in the Lienard Wiechert potentials
  1610. Derivation of Lagrangian for Classical Electrodynamics
  1611. experiment at home
  1612. Thermo Question
  1613. angular-linear momentum conservation question
  1614. Angular mass of conical frustrum
  1615. Conservation of momentum in an inelastic collision
  1616. do the body have potential energy.
  1617. Gravity and the first law of thermodynamics.
  1618. Any conclusions about macroscopic variables from StatMech?
  1619. Perpetual motion machines - gravity an unconventional source?
  1620. Trouble with Thermo Gases.
  1621. How to calculate work done by spring?
  1622. Help needed in writing the Hamiltonian function
  1623. What's the physics behind this phenomena (sound / electromagnetics)
  1624. electromagnetic force calculation
  1625. Discrepancy in the solution of a nonlinear dynamic system
  1626. How to use Lagrange approach to solve elastic collision?
  1627. About Liouville's theorem(classical mechanics)
  1628. Energy of a Charged Sphere
  1629. Pressure energy(fluid mechanics)
  1630. Motion of two objects in a perfectly inelastic collision
  1631. Optimal House Color in Cold Climate
  1632. Lift Force from Lagrangian Mechanics
  1633. Question about capacitors with dielectrics
  1634. Force between two oppositely charged conducting spheres...
  1635. Ensemble Avg, Statistical Mechanics
  1636. Coriolis and different refererence frames
  1637. Calculation of diffraction picture (partially coherent illumination)
  1638. The Fundamental Relation of Thermodynamics
  1639. How did Newton derive his law of gravity?
  1640. "Virial"?
  1641. electric field of a current loop
  1642. Energy of an uniformly charged bar of length L
  1643. Apparent Suspension of Gravity
  1644. solid angle
  1645. Is this interpretation of 2nd law of Thermodynamics correct?
  1646. momentum and conservation of momentum
  1647. close integral
  1648. Mass Air Flow
  1649. Physical intepretation of mathematical impossibility...
  1650. factors affecting heat exchange
  1651. Q on Jackson. Lorentz force modification for radiation?
  1652. why transverse wave cannot propagate in a gas or in liquid?
  1653. General relationship for direction of E field at any given point
  1654. Coin Rolling in a Circle
  1655. How viscosity affects motion?
  1656. Net moment in a circular disc
  1657. [Thermodynamics] Temperature gradient around a warm sphere.
  1658. book for fluid Mechanics
  1659. rotational motion of a cylinder
  1660. Potential energy diagram for a nuclear reaction
  1661. Helium Force
  1662. About Foucault experiment
  1663. Induced Electric Field Basics
  1664. torque vs. weight
  1665. What does Q have to do with frequencies?
  1666. forces in the back seat vs front seat
  1667. numerical solution of vector potential
  1668. Centripetal force of rotating mass vs. flowing mass
  1669. How to get zero electric field inside spherical shell without using Gauss law
  1670. How to apply Navier-Stokes equations?
  1671. about polarization and electric field
  1672. Concerning a pressure coefficient
  1673. Diffusing an electron beam throughout a chamber
  1674. Adding electric field vectors
  1675. Critical Damping in Multi-Modal Resonant System
  1676. Metal in a microwave oven?
  1677. I'm confused about power and voltage.
  1678. Metal inside a microwave oven --> ice?
  1679. E-field & electric potential of a metal conductor
  1680. understanding homoclinic orbits
  1681. Simple Voltage in Conducting Spherical Shell Question
  1682. Question about current in an infinite circuit
  1683. How difficult to build a DIY Lithium Ion Battery Charger?
  1684. Gyroscopic coupling
  1685. Conservation of momentum in Car Vs. Wall
  1686. Capacitance of Right Angle plates
  1687. Collision of two identical cars moving in opposite dirrections
  1688. Simple question re: Alternating Current
  1689. Question concerning curl for finding a conservative force field
  1690. Criteria for a fluid being under 'pressure'
  1691. rotational mechanics
  1692. Insulation vs heat barrier
  1693. Two-particle electrodynamics?
  1694. mass +displacement
  1695. London Forces in a body that's conducting electricity
  1696. High Tire PSI = Better Performance
  1697. Lorentz force -> Current in a gradient field
  1698. Electronic theremal conductivity
  1699. Stable Magnet Energy... What's their source?
  1700. Law of conservation of 'force'.
  1701. How to calculate a car's velocity from given RPM and Torque?
  1702. Navier-Stokes Equation
  1703. HELP : Dynamics of Multiple horse pulling a carriage
  1704. Coulomb's Law at Very Short Distance Scales
  1705. Free expansion of an ideal gas.
  1706. Trying to remember where I saw this graph..
  1707. chromatic aberration
  1708. EM and flux question
  1709. capacitors in magnetic fields?
  1710. Confusion about the nature of magnetic forces.
  1711. Stability in blocks - static equilibrium
  1712. Why do both Coulomb and Gravity follow 1/r^2 laws?
  1713. Refraction and the apparent slowing down of light
  1714. Surface Tension(fluid mechanics)
  1715. precession question
  1716. Potential Energy
  1717. Flux of magnetic moment into a coil
  1718. Block on wedge
  1719. friction on spinning object
  1720. Free energies
  1721. Finding position of simple pendulum?
  1722. Pendulum driven by combination of horizontal and vertical excitation!
  1723. Angular Momentum Conundrum
  1724. Total energy of elliptical orbit
  1725. pull, or tension
  1726. Moment of inertia confusion
  1727. Liouville's theorem
  1728. Diffuse Reflection of InfraRed
  1729. What is the physics behind Ash to forming?
  1730. Equivalent current source
  1731. Damping , resonance and natural frequency?
  1732. Energy lost from Wind Turbines
  1733. The distribution of charges in a conductor
  1734. Electrostatic repulsion formula for plates
  1735. can osmotic pressure kill a man in a swimming pool?
  1736. Comparing 2 formula derivations
  1737. contradiction on electric field ?!
  1738. --HELP--Transform vector to cylindrical coord.
  1739. What's the actually meaning of phase change?
  1740. Pressure in the fluid.
  1741. free fall with heavy box
  1742. Energy "absorption"
  1743. Periodic force action
  1744. Gravity effects on a solid rigid ring around earth
  1745. molecular properties of gas
  1746. Analysis of structures
  1747. Assertion when assuming g = 9.8 or 10
  1748. How does LLoyd's mirror works?
  1749. Max space velocity?
  1750. frenet-serret formulas, local reference frame
  1751. de broglie wavelength problem
  1752. Centrifuge
  1753. Electromagnetic wave attenuation
  1754. negative energy
  1755. Exam Question.
  1756. Solenoid Field Problem
  1757. electromagnetic induction; bike dynamo
  1758. Precession
  1759. Confusion with nature of induced electric field.
  1760. Terminal speed and acceleration problem
  1761. Proof of Gauss's law
  1762. Resonant Cavity, U(t) decay?
  1763. Simple question about work
  1764. Faraday's Law Is False!
  1765. light from non accelerating charge?
  1766. Thermodynamics, Heat Transfer, differential equals
  1767. Learning the Lagrangian/Hamiltonian
  1768. Monitoring and Stopping Radio Waves
  1769. d/dx g(df/dx)
  1770. Mutual Inductance and Transformer Question
  1771. Why is it more difficult for to hit back a slow ball...
  1772. how does the centrifugal force affect your weight on a scale?
  1773. Does the electric field change due to rotation
  1774. Is white surface a good radiation emitter?
  1775. looking for in-depth book(s) about the physics of projectiles?
  1776. Physics Puzzle... Please Help
  1777. classic acceleration?
  1778. Principle of Superposition
  1779. Applying Newton's cooling equation to a pipe cooling
  1780. Derivation of Moment of Inertia: Why is centripetal acceleration ignored?
  1781. Gaussian Units: Electric Field
  1782. Mechanics teaching website
  1783. What would happen if...? (imaginary earth)
  1784. hypoeutectic and hypereutectic compositions
  1785. What is tensor quantity?
  1786. Coefficient of Restitution
  1787. Difference between Internal Energy and Enthalpy
  1788. lagrangian
  1789. Noise across RC circuit
  1790. Get the equation catenary using variational method
  1791. Felt like I understood circuits until...
  1792. time homogeneous lagrangian
  1793. How to find the jerk of the acceleration of gravity?
  1794. *Good* KAM theory books
  1795. time invariant Green's function (inpulse response)
  1796. Electromagnetism
  1797. lagrangian
  1798. does this situation violate conservation of energy?
  1799. Compare burning of fuel to reversible supply of heat
  1800. A runner inside a train, and it stops ...
  1801. Electromagnetic Radiation from a Rotating Magnet
  1802. mass dependency on charge
  1803. Does Torque act on a disc rotating with constant angular velocity
  1804. non-uniform plane waves
  1805. Mr. IE Irodov
  1806. Loss of momentum in supposedly isolated inelastic collsion?
  1807. Elecrodynamic gauge transform
  1808. Do magnetic Feilds Exist?
  1809. A general way of determining the sign of work?
  1810. Uses of an Isolation Transformer
  1811. Divergence of Point Charge
  1812. Are magnetic fields conservative field?
  1813. Space station - tension of the structure
  1814. Speed of objects rolling down slopes
  1815. Absorbtion of kinetic energy or momentum
  1816. Compressing an incompressible fluid.
  1817. Ship's mass/displacement, buoyancy
  1818. what does F=ma really means?
  1819. Is the Change in Rotational Kinetic Energy Frame Invariant?
  1820. Problem about electric resistance
  1821. Wonder about F=qvB
  1822. horizontal and vertical components.
  1823. Why does a symmetrical weather wane work?
  1824. Entropy question
  1825. Extinction/Absorption/Transmission spectra
  1826. Rolling/non-rolling motion of unsymmetrical bodies
  1827. magnetic flux
  1828. current ambiguity symmetry
  1829. term in definition of torque
  1830. A question about electrons behavior in a conductor
  1831. extreme block & tackle
  1832. Betz Limit Applied to hydro turbine?
  1833. How to create 20 000 Gauss?
  1834. Chain Problems
  1835. fluids- hydrodynamic interactions
  1836. Magnetizing a small Alnico 5 pole piece
  1837. Non conservative electric field and kirchoff law
  1838. thermodynamic
  1839. distance function in gravitational force
  1840. Help me, to understand kirchoff's voltage law.
  1841. Inertia
  1842. Voltage vs. Time Graph
  1843. Lorentz force (EM), what happens if...
  1844. Solution to Navier-Stokes Equation for dynamic boundary
  1845. Magnetic fields do no work? How come...
  1846. Tension and Normal Force
  1847. Motion in Two and Three Dimensions
  1848. PLF > 109% possible?
  1849. Superball between two walls
  1850. Defining a Lagrangian in an rotating reference frame frame
  1851. better explanation of physics
  1852. Thermodynamical limit
  1853. The physics of shaking off the water
  1854. Velocity of efflux
  1855. Conservation of angular momentum.
  1856. Rendezvous with Rama
  1857. Not HW: Why are light waves in the form of the sine wave, instead of some other wave?
  1858. The Ballistic Coefficient of Pumpkins
  1859. Blackholes and 2nd Law of Thermodynamics
  1860. Distributive of the classical Liouville operator
  1861. Stopping a bullet with a field
  1862. What's the difference between energy and force?
  1863. I don't understand the equation for angular momentum?
  1864. Why does a boat lean into its turn?
  1865. Effective potential
  1866. need help on modulus of elasticity
  1867. Friction on an inclined plane
  1868. Gear's Torque (small to big) and (big to big)
  1869. Parabolic orbit
  1870. Electrostatic charge distribution questions
  1871. circular drum head
  1872. When I do the math, GPE does not equal KE after an object drops.
  1873. Entropy
  1874. Resistance, Current & Voltage
  1875. Ratio of Kinetic Energy lost in a collision.
  1876. Lagrangian mechanics of continuous systems
  1877. Sailing waves
  1878. Green's function of Helmholtz eqn (with time)
  1879. Equipartition theorem
  1880. Formula/Algorithm to apply force to an arbitrary point on a polygon
  1881. Transverse waves in the ocean
  1882. Creating a magnetic field?
  1883. Modifications of Classical Equations?
  1884. anderson localization - waves experiment
  1885. Force of friction between wheel and axle
  1886. capacitance of a body versus capacitance of inscribed and circumscribed spheres
  1887. Test charge in electric field
  1888. Does a single electron have poles?
  1889. Newton's law of gravitation.
  1890. The condition for application of electrostatic theory
  1891. Heat loss of a steel steam pipe
  1892. Energy Needed to Maintain Velocity
  1893. Thinking of writing a research paper on Gyroscopes
  1894. Hoop, Line and Stinker
  1895. max temperature attained by focusing sunlight?
  1896. A different take on the hollow vs solid rod
  1897. The Unit of Electric Flux?
  1898. Work Done confusion
  1899. Understanding Power and Linear Momentum
  1900. Special invariants with few constants of motion
  1901. Extinction spectrum
  1902. Evaporation under a Vacuum
  1903. Calculating Energy to Pressure
  1904. Zeeman Effect
  1905. Gas considered as lots of molecules
  1906. The Relativity of Rotation & Gravity
  1907. Wall collision rotation
  1908. magnetic field of a solenoid
  1909. turning on snowboard or surfboard
  1910. Optics of extended sources
  1911. Build arbitrary magnetostatic field with dipoles?
  1912. What does a voltmeter read?
  1913. electric field inside a charged surface
  1914. Mixed up with Work and Power and Force
  1915. Emission Spectra
  1916. Free fall
  1917. Centripetal Force
  1918. Force
  1919. 2 Questions on superpostion (Double slit experiment)
  1920. Hypothetical cyclic process- does it violate the thermodynamic laws?
  1921. How to obtain temperature from a PV vs P diagram using ideal gas law?
  1922. Difference between rolling resistance and tractive force
  1923. Argument with professor: how can you describe the trajectory of a particle?
  1924. THREE MAGNETS (N-dipole-body problem)
  1925. Do magnets attract objects in a straight line?
  1926. non newtonian liquid
  1927. temperature lower than 0 k
  1928. fourier optics question
  1929. batter in electric mixer
  1930. tension
  1931. normal force
  1932. Alternating current.
  1933. what happens when the field when it did the work?
  1934. Instantaneous axis of rotation
  1935. Why Lagrangian and Hamiltonian formalism
  1936. moments on a rigid body
  1937. Error propagation problem
  1938. Trajectory of a Particle
  1939. Kirchoff-Helmholtz Integral problem
  1940. Need advice on statistical mechanics.
  1941. Particle Behaviour
  1942. Ericsson cycle- question concerning entropy
  1943. Move a Part at Constant Speed Under its Own Weight
  1944. Quick Question- carnot efficiency
  1945. Ericsson cycle - calculating heat added/extracted from working substance
  1946. What exactly is quadratic air resistance? and is there such thing as cubic resistance
  1947. Energy in Thermal processes: Energy Transfer
  1948. Vibrational Decay
  1949. Galilean invariance and conserved quantities
  1950. Partition function of rotating molecule
  1951. poisson bracket
  1952. conserved quantity
  1953. 2-Way Interaction between Rotation and Translation
  1954. Emission of infra red from hot bodies
  1955. White noise vs Black body radiation
  1956. Piezoelecticity - Amount of electricity produced
  1957. Can you calculate energy required to maintain heating element?
  1958. Stopping distance: Locked wheel skidding & rolling tyres
  1959. Implications of Imaginary Numbers?
  1960. Stainless Steel increases B?
  1961. Van Der Waal's adhesion.
  1962. 2D Collisions
  1963. a particle moving in an electromagnetic field
  1964. relatioship between density and thermal conductivity
  1965. question about brewster's angle
  1966. RLC Circuit qualitative explanation some1 ?
  1967. Calculating Torque from motor specs
  1968. electric dipole moment
  1969. Confused about charged rotating disk-Magnetism, reference frame
  1970. Calculating the angular momentum of rotating objects
  1971. confused about symmetries and canonical transformations
  1972. Navier Stokes Equation::Question about the Diff EQ
  1973. Coulombs Law help!
  1974. work energy theorem vs Newton's 2nd law and kinematics
  1975. third order linear ODE Wolfram Math. problem
  1976. Waves
  1977. Electric Current basic definition doubt. PLEASE HELP.
  1978. Torque and angular momentum
  1979. 1st law of thermo
  1980. Electromagnetic Induction vs. Electromagnetic Radiation
  1981. a deeper explenation of a pulley
  1982. Help With Thermodynamic Proof
  1983. Langevin Equation unusal form
  1984. Rocket Exhaust Divergence
  1985. Coulombs Law and Method of Image
  1986. Spinning artificial gravity proof
  1987. What sense does it make to increase follow distance btw front car as speed increases?
  1988. Question about Static Friction
  1989. Rope and Table
  1990. Photoelectric emission
  1991. photon incident on a molecule
  1992. DC doesn't cause electromagnetism?
  1993. Optical band-pass filters (radome coatings)
  1994. Communicating Vessels in a noninertial reference frame
  1995. Entropy definition
  1996. Red-hot materials
  1997. mutual inductance between squares
  1998. Fluid Mechanics::Question about the Differential Energy Equation
  1999. Moment of Inertia
  2000. YouTube: Perpetual Energy - How do you explain this?
  2001. Fluid Mechanics Internal Flow Question
  2002. Fluid Mechanics::'Deriving' Incompressible Flow Criteria
  2003. west's zone 2 (starling resistor), flow throw a flexible tube
  2004. Temperature Gradients of Independent Radiating Bodies within A Mixture.
  2005. electron spin and magnetic permeability
  2006. Simultaneous differential equation of second order
  2007. Gauges in Classical EM
  2008. Combined gas law vs. adiabatic relations
  2009. work done by expansion of liquidfied natural gas to atmosphere
  2010. newtons third law
  2011. potential energy of transversal and longitudinal wave
  2012. A method to predict visibility of the international space station
  2013. How does Lord Kelvin's water drop electrostatic generator work?
  2014. Work done by an expanding gas with no moving boundary
  2015. Solenoid engine
  2016. Harmonic Potential
  2017. Adiabatics with OTTO CYCLE
  2018. why can't sodium vapour lamp be used in spectrometer experiment
  2019. polarizing light
  2020. Question on Third law of motion.
  2021. Real life: area under a force versus time graph in comparison to a calculated impulse
  2022. adiabatic process-how is internal energy mcv(t2-t1)
  2023. Vapour Liquid Equilibrium for a two component mixture.
  2024. variable mass
  2025. Ampere's law and solenoids.
  2026. Current Loops and fundamental group
  2027. Pressure in a river
  2028. Coordinate systems for electric fields.
  2029. spinning top undergoing nutation
  2030. Reversing direction on a spinning cylinder of water
  2031. how to calculate max velocity of a vehicle from torque and RPM?
  2032. HELP: Variable Torque and therefore acceleration in an electric motor.
  2033. tidal forces
  2034. Is the electric force responsible for this phenomena?
  2035. Electrostatic Field::Schey's Notation
  2036. polarization of em wave
  2037. Radioactivity
  2038. Reference Material for Electromagnetics
  2039. issue with Einstein solid
  2040. Solar System Model Derivation
  2041. Measuring tension in a nylon loop (springs?)
  2042. magnetic field's propagation
  2043. Some Explanation
  2044. Measuring components of circularly polarised light.
  2045. Gravity vs Centrifugal Effect
  2046. Some questions about voltage
  2047. Diffusive Scaling - How does it work
  2048. Geometric Interpretation for Virtual Velocity
  2049. ¿what is the domain of validity of inverse square laws of newton and coulomb?
  2050. Bicycle friction drive forces
  2051. Rotation of a Rigid Body
  2052. Charge distribution and total charge
  2053. Thermal imaging and radiometry
  2054. Charge between two isolated capacitors
  2055. How to find CG. point
  2056. F = qvB in relativity
  2057. Derivation of Lenz's Law
  2058. Image charge
  2059. Torque Converted to Electricity
  2060. Ultrasensitive thermometer
  2061. Ball in a complex 2D environment
  2062. Energy loss in compressible flow
  2063. Timing a pendulum drawn back to the horizontal.
  2064. Moment on door vehicle
  2065. How do you see the Milky Way?
  2066. rolling a cylinder down a incline
  2067. Magnetic field and Relativity
  2068. Viscous friction
  2069. A little help if you aren't busy...
  2070. Fluids
  2071. Dimensions of Newton's Law of Gravitation and Coloumb's Law
  2072. How to prove the Newton's third law.
  2073. vertical circular motion minimum speed proof
  2074. Magnetic field strength and distance
  2075. Thrust calculations
  2076. A question about condensation of water
  2077. Voltages in Photoelectric Circuits
  2078. Measure force of impact
  2079. Where does the energy disappear to?
  2080. Discharging a capacitor through a voltmeter
  2081. intial speed and final speed
  2082. Tension
  2083. Coupled harmonic oscillator
  2084. Help me recall an equation
  2085. Voltage between two different charges
  2086. the time take to two balls (gravitationally attract), to reach each other
  2087. Polarizing radar waves with egg slicers
  2088. Question about charged disk and current loop similarity
  2089. N particles gravity
  2090. action-angle coordinates from commuting integrals
  2091. Expansion/Contraction Energy from Temperature Difference
  2092. Electromagnetism- current carrying conductor and permanent magnet
  2093. The impossibility of absolute rigidity during collisions
  2094. Why did the bike rotate in the physics experiment in the film 187?
  2095. Good Vibrations
  2096. Something about parallel capacitors
  2097. can you explain it for me?
  2098. forced oscillations of a linear system
  2099. heat a container?
  2100. wifi n bluetooth technology how??
  2101. Oblique incidence for Electromagnetic Waves
  2102. First peerson to define work as W = F d.
  2103. viscocity in microchannel
  2104. My Leaking Skylight Peculiarity
  2105. Confirming fact about potential energy of each particle in a fluid
  2106. the nature energy
  2107. Help me understand heat transfer thru induction
  2108. Light Wavelengths
  2109. time of motion, natural logarithm help
  2110. The effect of battery in parallel
  2111. Fundamentally, what is an electric field?
  2112. Electric Field Strength- variations
  2113. electric fields- the force exerted on a given charge
  2114. from an equation to another
  2115. Definition clarification of vector mag/direction/rant
  2116. Coupled damped harmonic oscillator
  2117. Detection of string vibrations using home equipment
  2118. Kepler, Newton, Gravity, error... Please Help
  2119. Uniform elecric fields- force and kinetic energy
  2120. A point is stronger than a plane?
  2121. Shouldn't a DC current emit EM waves?
  2122. Mechanical Similarity
  2123. Earth potential
  2124. Torque
  2125. dielectric constant of a conductor
  2126. Capacitor thermodynamic non sequitur
  2127. On charges in a bounded region which moves:
  2128. Coulomb Gauge
  2129. kinetic energy and initial velocity... should be simple, right?
  2130. Application of Mechanical Similarity
  2131. Magnetic Fields and Work
  2132. Ampere's law.
  2133. Reversible and Irreversible Calculations for Entropy
  2134. Faraday's Ice-pail.
  2135. vector cross products and dot
  2136. The workings of a cyclotron
  2137. Conservation of Energy
  2138. Velocity of efflux in a piston cylinder arrangement.
  2139. Quick question about Escape velocity
  2140. Trying to understand this concept
  2141. Building an ice rink - question about water pressure exerted on a wall
  2142. Proof of the Law of Conservation of Energy
  2143. Molecular Vibration and Translational Kinetic Energy in a Gas
  2144. Potential of electrodes
  2145. Working of a dam
  2146. Magnetic Field of a Bar Magnet
  2147. The equation of a roller coaster loop
  2148. Gravitational force, is it inverse square law?
  2149. Damping Ratio
  2150. Photographic 'Circular Polarisers': what are they?
  2151. Lenz's law
  2152. Air pressure
  2153. why normal force always prependicular?
  2154. 99% Reflecting Mirror
  2155. So that's why my car rolls... Is it???
  2156. what is diffusion tensor?
  2157. What is your favorite equation?
  2158. Which has lower entropy?
  2159. Are Maxwell's Equations satisfying?
  2160. Collisions of spheres
  2161. Complex number in alternating current circuit
  2162. electric fiel of wire carrying current
  2163. Electric field of moving charge
  2164. is resistance of a wire increases with wounding it around a cylinder?
  2165. What is Rhostat?
  2166. What is potential devidor?
  2167. Force inside a solenoid
  2168. Microsyringe dynamics
  2169. Mousetrap Car materials
  2170. Is momentum conserved?
  2171. Phase AC
  2172. Some explanation with pauli Exclusion Principle
  2173. Symbology
  2174. Diffraction: rectangular aperture and gaussian beam
  2175. Gravitons (are they Bosons)?
  2176. Heating water with a wind turbine
  2177. principle virtual work
  2178. Electrostatic lens effect
  2179. Force Between Two Plates
  2180. Screen projection
  2181. who was the first to define torque?
  2182. Infinitesimal angular displacement ?
  2183. Gauss' Theorem for gravitational force
  2184. I'm going in ellipses?
  2185. Using ImageJ for movement analysis
  2186. calculus conservation of momentum problem
  2187. Speed of electric signal?
  2188. Dielectric Strength
  2189. Basic conceptual description of lightspeed having a limit
  2190. magnetic field
  2191. Free Space Attenuation
  2192. Inverted pendulum kinematics?
  2193. Galilean invariance question
  2194. Single Sphere voltage
  2195. Force of Wind on a moving object.
  2196. Work
  2197. Direction of Friction!
  2198. Remarkably Difficult Newtonian Problem
  2199. Open Boundary Reflection.
  2200. Axially symmetric B field...vector potential?
  2201. increasing entropy vs groundstate
  2202. General Conservation of Momentum Question
  2203. Two Bodies rotating around each other
  2204. No work done and no energy spent?
  2205. Does anyone recognise this equation (Indicated mean pressure)?
  2206. Bernoulli's principal and law of conservation of energy
  2207. Finite Blackholes?
  2208. reaction force
  2209. A ball is rolling freely on a flat surface...
  2210. Heat equation advice for a small ice rink.
  2211. Statics question about deflection
  2212. stationary waves energy problem
  2213. Inelastic collisions and material properties
  2214. Mach 3
  2215. Conservation of energy in EM with point charges
  2216. "Sudden" Phase change of water to ice
  2217. Finding failure of a beam system
  2218. Can somebody show me a "non-trivial" exmple of Noether Theorem?
  2219. Ice melting in water in a gravity free hall, what happens to the centre of mass?
  2220. about work done and power
  2221. Question on Biot-Savart Law for Finite Length Filamentary Conductor
  2222. Does anyone know a crystal with refractive index of water?
  2223. Neglecting brownian diffusion
  2224. Spring Question
  2225. Does this make sense
  2226. Gravitational collapse of a cloud of hydrogen
  2227. Mythbusters Bus Jump Small Scale
  2228. Impedance of an RLC series circuit when in resonance
  2229. What is magnetic pole? What is sink/source?
  2230. Degree of freedom (Mechanics)
  2231. Fluid Dynamics Confusion
  2232. Derivation of an equation
  2233. Current on a perfectly conducting plane
  2234. How do you get good at statistical physics?
  2235. Intensity in a Double-Slit problem?
  2236. Cyclotron
  2237. Why don't heavy objects fall more SLOWLY?
  2238. Huge questions about electric fields
  2239. Electric field inside a conductor?
  2240. About the curl of B using Biot-Savart Law
  2241. Behaviour of charged particle.
  2242. Stochastic & Chaotic
  2243. Relation between occupation probability and first passage probability
  2244. Weird second law of newton for rotation
  2245. Conservation of linear or angular momentum + center of mass.
  2246. Medium Independence..!
  2247. Maxwell's "A Treatise on Electricity and Magnetism"
  2248. ICE problem
  2249. Ahhh yess the infamous global warming controversy....
  2250. momentum
  2251. about waist of beams
  2252. Woes With the Principle of Least Action.
  2253. energy levels
  2254. about Buckingham pi theorem
  2255. Why are probabilities distribution of thermodynamic variables tend to Gaussian?
  2256. Noise power in conductor
  2257. Calculating heat loss from open tank
  2258. Hall Effect for Dummies
  2259. Gravitational Lagrangian PE term
  2260. Torque and Pulley Ratios
  2261. How do Wire-Grid Polarizers work?
  2262. real world testing bench - trying to check my calculations
  2263. VV Eqn
  2264. looking for proof that a free rigid body will rotate about its CM
  2265. Use of centrifugal force in outer-space
  2266. Interesting Phenomenon
  2267. Deformation energy
  2268. Pendulum force
  2269. Drag
  2270. Electromagnetism question, what formula...
  2271. Electric Field of a Charged Sphere
  2272. Stationary Electron in changing magnetic field
  2273. can anything conduct electricity?
  2274. Max Bending Moment of Rigidly Clamped Beam
  2275. train wheels
  2276. which book explains the KAM theorem well?
  2277. Antenna Gain???????????
  2278. Why does viscosity help air bend?
  2279. Antenna Theory
  2280. Mechanism of fan
  2281. Power in Wave Motion
  2282. Electric Field of a Current
  2283. Do you think this makes sense?
  2284. Transverse Momentum
  2285. Second Law of Thermodynamics - Postulate or Provable??
  2286. Does the aeroplane fall into the black hole?
  2287. curl of an electric dipole field
  2288. how can it be proved that every body has (and only one) CM point?
  2289. Newton and approach to second law
  2290. Fourier transforms of power of a function
  2291. Why did Newton believe light was a particle?
  2292. mean free path for gas of thin rods
  2293. stress
  2294. Relative Velocities
  2295. somequestion about solid
  2296. Why entropy is an extensive quantity ?
  2297. animations of a gas
  2298. help with understanding capacitance
  2299. Current-Temperature equation?
  2300. Ionospheric Radiation Absorption
  2301. Human in deep space in spacesuit, do they need a heater?
  2302. Can constant velocities produce a longitudinal wave?
  2303. centripetal acceleration derivation
  2304. Vapor pressure, its decrease and subsequent lowering of boiling point
  2305. Parallel Wires and Fields
  2306. need a article
  2307. Where did the electric constant came from?
  2308. LOX explosion arc radius
  2309. Why do objects float in substances more dense than themselves?
  2310. What if you were in a hollow, extremely strong tube in the middle of a planet?
  2311. Blackbody radiation confusion
  2312. Firing into a industrial boiler
  2313. Moment method
  2314. Jumping in artificial gravity
  2315. Riding a bike on ice
  2316. Gauss's Law
  2317. Stefans Law vs UV catastrophe
  2318. Field of a moving electron
  2319. Type and intensities of field of a moving charge
  2320. Rayleigh scattering
  2321. Force Required to Tip a Block of wood?
  2322. Noether's Theorem
  2323. Space-time symmetry (Langrangian Mechanics)
  2324. why does all energy travel in waves?
  2325. Geometric product in electromagnetism
  2326. How should i correct speed to keep induction constant for different viscosities
  2327. Curve balls and Bernoulli's principle
  2328. Droplets and vapor in gravity field
  2329. electric field
  2330. Ellipsoid moving on a plane
  2331. Where does gravity get its energy from?
  2332. Momentum/Inertia of a bike
  2333. Kinetic Energy of Objects in System, in different frames of reference.
  2334. Lagrangian Mechanics: Pendulum & Trolley
  2335. Why are the electric and magnetic constants where they are?
  2336. Effect of water displacement on gravitation pull between ships
  2337. Basketball pulled underwater then released, what is theoritical velocity and height.
  2338. Is change of phase always reversible?
  2339. Modeling Transient Dynamics (Equilibration Processes)
  2340. Electrostatic charge and law of conservation of energy
  2341. is a Bose-Einstein condensate an ideal fluid?
  2342. how does a vortex rotate in a cylinder container
  2343. Incomprehensible part in Griffiths' text
  2344. reversable process
  2345. Foucault's Pendulum
  2346. Converting Impulse to power
  2347. Doubts on Skin effect & Electricity
  2348. Interaction of EM waves with media at boundaries
  2349. Calculating coefficients of spherical harmonic expansion of electric field
  2350. Impedance of free space
  2351. Earth's Rotation
  2352. Mechanical roots of irreversible processes
  2353. Squaring in Formulae
  2354. Moments in physics
  2355. Entropy uncommon question(s)
  2356. Maglev- Lenz's law
  2357. Energy created by a balloon released underwater
  2358. heat
  2359. Moment of Inertia of helicopter blades.
  2360. Force-On-Impact to Energy
  2361. Self-Induced Magnetic Field in a moving rod with current
  2362. The Lagrangian/Hamiltonian dynamics of a particle moving in a manifold
  2363. 2D Missile Guidance System
  2364. What is centripital acceleration physically?
  2365. Stephan's law on heat
  2366. Larmor Mechanics
  2367. Calculating Force of Car hitting wall
  2368. Finding the Tension of string supporting a disc...
  2369. Central Force And Scattering
  2370. radiation emitted by an accelerated charge
  2371. Deriving the Formula for Gravitational Potential Energy
  2372. how to use symmetry in resistance networks??
  2373. Another question on Lagrangians (sorry)
  2374. propagation of light
  2375. Top speed on a windy conditions.
  2376. why is rotational momentum I=mr²???
  2377. Fraunhoffer Diffraction
  2378. Incandescent Shape Efficiency
  2379. What if Newton had thought differently?
  2380. distance formula and addition of meters per s
  2381. Where's the torque when you retract your arms on a spinning chair?
  2382. Tension producing torque on a disk
  2383. Force acting on a wall inside water
  2384. describing translation and rotation
  2385. What is a generating function (GF) in physics?
  2386. EM wave polarized in the time direction?
  2387. Question about Coulomb's Law
  2388. Is there such a thing as constant velocity ?
  2389. tennis question
  2390. 180 degree out of phase reflection?
  2391. Prism dispersion
  2392. Drive Shaft Torque Calculation
  2393. Electron in oscillating electromagnetic field
  2394. Fluid dynamics kite question
  2395. Simple Harmonic Motion
  2396. General formula for Electric field of a point charge
  2397. why cant i get the same torque from a gear drive as apposed to a chain drive?
  2398. Energy conservation in intereference of coherent monochromatic light on thin surfaces
  2399. Simple Parallel Plate Capacitor Question
  2400. Optics: Ray matrix for a thin lens
  2401. 3d pendulum
  2402. What's "quality factor" in oscillation ?
  2403. Electric Field of a Charged Disk
  2404. Gravitational Potential Energy
  2405. Photonic Crystal Fibres and COMSOL
  2406. Calculating the suction force produced by a Venturi
  2407. Moment of inertia of a solid sphere
  2408. Please describe elastic hysteresis in plain English
  2409. Adiabatic mixing of airstreams
  2410. Phase constant in wave propagations: what are its effects?
  2411. Rectangle Plate On A Cylinder
  2412. Falling pole lifting off the ground.
  2413. Lagrangian
  2414. Energy Exchange Analysis
  2415. Voltage and charged parallel plates-Confused!
  2416. Earth as a reference for electric potential
  2417. impact force under water
  2418. eqs of motion for 2-body problem in EM?
  2419. Lagrangian for fields AND particles?
  2420. Torque for a radial vane water pump
  2421. Inelastic Collision Question
  2422. superconducting induction coil
  2423. Classical thermodynamics Q's.
  2424. Why must reversible process proceed slowly?
  2425. Titanium vs steel hammer heads
  2426. electromagnetic waves
  2427. Water flowng from a tap!
  2428. Water-ice equilibrium Querry
  2429. electrom beam
  2430. Help calculating the mass of an electron
  2431. Huygens principle for waves
  2432. help with 3d trig and moving object
  2433. Yet another question on Lagrangians
  2434. math problem in Huygens-Fresnel principle
  2435. Maxwell's electromagnetic wave equation confusion
  2436. Do charges travel along field lines?
  2437. Can a time dependent field to be conservative?
  2438. Electron emmiting EM waves
  2439. Kirchhoff from Faraday
  2440. How to find the metric given the interval
  2441. Newton's second law with linear and angular momentum
  2442. Do heavy and light cylinders roll the same?
  2443. Can an antenna work as a lamp?
  2444. Standing wave basics
  2445. E field from potential
  2446. Repulsive force question
  2447. Acoustic resonance experiment
  2448. Potential distribution in metal cylinder
  2449. Dis/Charging capacitor in time varying electric field
  2450. Coloumb Explosion
  2451. current density of a moving conductor or conducting fluid
  2452. what is Inertia??
  2453. An intrinsic definition of hamiltonian system
  2454. Apple falling to ground
  2455. Lagrangian formalism: cyclic coordinates. Why "cyclic"? Where's the term come from?
  2456. Fields Confusion (Electro/Gravit etc)
  2457. Derivative of kinetic energy
  2458. Calculating thermal conductivity
  2459. Calculation of vehicle pitch rate and roll rate from acceleration
  2460. Radio Frequency Photons / Electromagnetic Radiation Question
  2461. maximum number of mutually immiscible liquid phases
  2462. Conervative Forces
  2463. How is E field conservative
  2464. Doppler effect for Sound waves (clarified)
  2465. Aerator Design with Water flow rate
  2466. gas cycle, rankine cycle, organic rankine cycle, kalina cycle, ... and all that
  2467. Coaxial Cylinder-Aharonov-Bohm effect
  2468. Bullet behavior during flight
  2469. Why are Maxwell's Equations a complete description of EM?
  2470. the usefulness of the action-angle variables
  2471. Rotating Frames: charges in a magnetic field
  2472. speed of electrical cicuits
  2473. why glass sample cell can be used in Raman spectroscopy measurement?
  2474. How to confine electric charges
  2475. collision at constant velocity
  2476. Newton's laws cannot be proven!!
  2477. multiple current loops
  2478. cross product of magnetic fields
  2479. Faraday's Law
  2480. Propagation of light in a vaccuum?
  2481. Separating angular and linear momentum
  2482. Force as inversely to torque
  2483. Calculate Dynamo Max Power Output
  2484. Couple Newton Questions
  2485. Equations of Motion & Forces of a Motorcycle Suspension
  2486. Behavior of Massive Electromagnetic Fields
  2487. Rotational Dynamics: Tires
  2488. Which will warm first???
  2489. If this is Gaussian beam?
  2490. Electromagnetic wave propagation question
  2491. kinetic energy
  2492. Independent variables in termodynamics
  2493. Maxwell's Equation and Special Relativity
  2494. Question about momentum and larger masses
  2495. Electric Field of a Continuous Charge Distribution
  2496. Help needed with heat loss calculation from a steam pipe...please!
  2497. Weight on crane pivot
  2498. Regarding electric field at the center of a uniformly charged disc???
  2499. In magnetism, what is the difference between the B and H fields?
  2500. Terminal Velocity
  2501. Bridge Aerodynamics Research Project
  2502. can anyone explain what actually surface tension is??
  2503. water and magnet
  2504. Force of impact
  2505. How does current affect electric potential?
  2506. Simple Pendulum
  2507. moment of inertia of a rectangular prism
  2508. Pressure at the boundary between two gas phases which are originally sepearted
  2509. I can't do a differentiation during the proof of Noether's theorem.
  2510. snooker ball dissagreement
  2511. Start from the Action
  2512. Does dark energy violate the second law of thermodynamics?
  2513. 4 Point Reaction
  2514. Gaussian Sphere
  2515. Change in electric field of charged particle
  2516. Torque on an open-ended rectangle
  2517. Question on concept of voltage.
  2518. Coriolis effect -- time to ground
  2519. Coriolis effect in gyroscopes
  2520. Is Newton's 3rd Law valid here?
  2521. mechanics-principle of transmissibility,resolution of force into couple and force
  2522. relation between RPM, coils and kW-output in electrical generator
  2523. Simplified LaGrange Point Calculation
  2524. compound gear train question.
  2525. Absolute Entropy (Statistical)
  2526. Number of forces when calculating spring compression?
  2527. density equation of sound wave
  2528. acceleration through a non-uniform curve
  2529. Limitless Green Energy?
  2530. Is a bullet at the speed of light lethal?
  2531. Conservation of mechanical energy in a system
  2532. Balloon on a string; which moves first?
  2533. magnitude
  2534. Calculating power of a Turbocharger
  2535. magnetic field of a rectangular coil...
  2536. Thermodynamic state
  2537. Stat mech-microstates and macrostates
  2538. Third Equation Of Motion Question
  2539. Chopping wood - torque question
  2540. Induced field in a conductor
  2541. Faraday's magnetic induction
  2542. EM waves in stratified media
  2543. "Keeping a pencil standing on your hand" What physics topics should I research?
  2544. moving water using pressure/vacuum
  2545. Sellmeier equations & group delay dispersion
  2546. How to Build A Cyclotron
  2547. Something Vexing me about Magnetism and Conservation of Energy
  2548. Ray diagrams query
  2549. Magnetic field energy and force of an electromagnet
  2550. Current Transmission in power lines
  2551. pressure equation of sound wave
  2552. How did Gibbs come up with the idea that particles are indistinguishable?
  2553. Relation between torsional and linear spring constants for a cantilever beam?
  2554. What is "spatial interference wavelength"?
  2555. Diffusion interpetation
  2556. electric field inside hollow conductor boundary value problem
  2557. Macroscopic Properties from Particle Data
  2558. Simple Work Formula is Parabolic with Respects to Time?
  2559. Lagrangian systems
  2560. electric field
  2561. Very small velocity..
  2562. Parabolic Projectile Trajectory
  2563. Displacement current density...
  2564. The Disphere
  2565. First law of thermodynamics situation
  2566. Convex mirror
  2567. Instant accelelation in travelling wave
  2568. charge relaxation
  2569. charged particle movement close to single charged plate
  2570. What is the relationship between electric potential and the electric field?
  2571. Interaction force pairs
  2572. Equation for jerk motion?
  2573. Universal Gravitation Law Q.
  2574. The Casimir Effect as a source of clean/green energy?
  2575. Purifying water with electric fields
  2576. charging an insulator
  2577. Larmor Formula Difficulty?
  2578. acceleration of a rock
  2579. Unusual physics question :)
  2580. elementary holicopter question
  2581. Acceleration in an elastic collision
  2582. Fe+ Brine Solution forcing by Earth Tides
  2583. Pushing a rail truck where the mass is not constant
  2584. Conceptual difficulty with FP Resonator
  2585. Momentum-Work Question
  2586. Streamlines, streaklines and pathlines
  2587. problem with angled diffraction
  2588. Current in "ideal" wires. - circuits
  2589. Theoretical Lossless Wave Propagation
  2590. Conservation of mechanical energy
  2591. Pulley question
  2592. Compton Scattering Using Newtonian Physics
  2593. Maxwell equations
  2594. Mass on spring rotates - what happens?
  2595. Vector field- fluid mechanics
  2596. Accelerating object air resistance
  2597. Classical Physics-Modern Physics
  2598. Interpretation of the randomness in statistical mechanics?
  2599. Solid Angle
  2600. Discussion on Feynman lecture - E / B Field
  2601. electricity
  2602. Commutativity of Differential Operators in Lagrangian Mechanics
  2603. enthalpy of reaction as function of the equilibrium constant kp
  2604. Applying Guass' Law to Cylindrical Symmetry
  2605. Using Gauss' Law (differential form) to get Coulomb's law.
  2606. Energy required to bend an elastic rod
  2607. magnetic helicity
  2608. Vector potential in cavity of arbitrary shape
  2609. S11 (scattering parameter 11) of a Resonator?
  2610. Which attains more height and why?
  2611. Does centrigual force exist?
  2612. Damping Constant
  2613. Damping Constant
  2614. What happens to the pressure of a liquid extracted from a pressurised container?
  2615. Normal force: Why not conservative?
  2616. Interesting bouyancy theoretical question
  2617. Can tension be generated perpendicular to a rope?
  2618. Request for a book: Chemical Thermodynamic by Peter Rock A.
  2619. Electromagnets and storage media
  2620. Why use capacitors to store energy?
  2621. Efficiency in trebuchet design
  2622. angular momemtum conservation and collision
  2623. Gravitational effect on magnetism
  2624. Finding Motion of Charged Particle in Changing Magnetic Field (numerically)
  2625. Pressure exerted on fluids
  2626. ABout capacitor in photographic flash
  2627. Question about constructing Circuits
  2628. Centripetal Force: Rotating mass
  2629. Centrifuge
  2630. Reversibility and Entropy questions
  2631. How to find the flow rate trough a pipe using pressure drop
  2632. How to relate kinematics of a moving frame and that of a laboratory frame?
  2633. Magnetic field question
  2634. Stange proof!
  2635. Conceptual doubt about elastic potential energy of a system
  2636. Newton's third breakage in Goldstein's "classical mechanics"
  2637. Divergence of mass current density
  2638. Gas diffuser vs. expansion valve
  2639. Physics/Chem: Why the sign difference in Thermodynamics?
  2640. Range of validity of Kirchhoff's rules
  2641. electric dipole moment
  2642. Angular Momentum
  2643. Basic question about work and gravity
  2644. My projectile penetration equation (Help needed!)
  2645. derivation of Enthaply of reaction as function of equilibrium constant
  2646. derivation of Enthaply of reaction as function of equilibrium constant
  2647. How would this capacitor configuration work?
  2648. Can electric flux be measured in Coulombs?
  2649. Why Temperature increases by increasing pressure?
  2650. Describing chemical potential in Galvanic cell using Coulomb Force/Electric Potential
  2651. Grounding
  2652. Hamiltonian Density?
  2653. large amount of electrons rotaing in magnetic feild
  2654. Electrodynamics Method of imaging
  2655. Lens query.
  2656. is critical angle diagram realistic?
  2657. Is a changing B-field identical to a changing E-field in an electromagnetic wave?
  2658. 60-cycle vibration from heating pad?
  2659. A problem with flux
  2660. A problem with circulation
  2661. How can a true elasic collision exist?
  2662. Finding charge on conducting sphere
  2663. ideal entities
  2664. bernoulli's principle / ref frames
  2665. Electric fields between point charges
  2666. Electric field due to large non conducting sheet having uniformly distributed charge
  2667. simple harmonic motion
  2668. Time required for a liquid to change in Temp (thermo)
  2669. does Gauss' Law fail?
  2670. Why does a magnetic field remain stationary...
  2671. Relation of gravity with centrifugal force & gyroscopic effect?
  2672. EM Waves and EM Pulses
  2673. What type of energy is transfered in a circuit?
  2674. Phase Transitions and Chemical Potential
  2675. The Law of Biot and Savart again
  2676. Positive and neutral spheres
  2677. Grand Partition Function of Solid-Gas System
  2678. Rotational kinetic energy versus translation kinetic energy?
  2679. Rotating single slit and 2 single slits merging
  2680. velocity when two object collide in an elastic collision
  2681. Laplacian of electrostatic potensial
  2682. How fourier optics works?
  2683. Diffraction of a circular aperture
  2684. Pulsed Point Dipole
  2685. Newton's Law of Cooling Flawed?
  2686. Hanging Mass on Spring
  2687. Plasma Physics Experimentation Platform
  2688. What is magnetic field?
  2689. 2 different answers in W|A
  2690. Teaching my boys practical electromagnetism
  2691. Chromatic Dispersion, and Variability of Refractive Index on Wavelength
  2692. Conservative Field Clarification
  2693. Proving Gauss's Law for Magnetism
  2694. Charge accumulation on a capacitor
  2695. is this structure stable
  2696. forces while walking and driving
  2697. Calculating Magnetic Field of a Bar magnet
  2698. optics
  2699. Internal entropy change for nonquasistatic process
  2700. Generator
  2701. separator
  2702. Second Law of Thermodynamics
  2703. Energy, once again weird unclear thing..
  2704. Mechanical Loading Problem
  2705. Calculating equilibrium point of a network of springs
  2706. Galileo's thought experiment
  2707. Luanch angle to put a satellite in an orbit?
  2708. Rigid bodies: generalized forces according to the Euler-Lagrange formalism
  2709. Bar Magnet
  2710. Electromagnetic waves?
  2711. The apparent arbitrariness in Electromagnetism
  2712. reducing pressure difference
  2713. Bessel beam and 'Rayleigh' range
  2714. Magnetic Field Lines
  2715. proof of F=ma from second law of newton
  2716. Determining atomic radius at home
  2717. How does electric current change electric potential?
  2718. How would a "long" object move?
  2719. 1 Volt?
  2720. About E=cB
  2721. Experimental evidence of Gauss's law in electrodynamics?
  2722. Applicable domain of Stokes Flow
  2723. A block on an inclined plane does not rotate?
  2724. Having trouble with weight versus mass
  2725. Mach Wrong?
  2726. What is p times t?
  2727. Expressing magnetostatic equation as a partial differential equation
  2728. Conduction Through Alum. Plate
  2729. Relation between Gas flow rate, heat loss and change in temperature
  2730. Solid mechanics (shear stress) question
  2731. Are these circuits equivalent?
  2732. Distance between two point charges as a function of time.
  2733. Does pressure depend upon the observer?
  2734. The electric line integral
  2735. Absorbance or absorptance
  2736. kelvin water dropper
  2737. Model of Physical Pendulum
  2738. Mean velocity for parabolic velocity profile
  2739. Thermodyanamics
  2740. BALL BOUNCING INFINITELY.. to find distance covered..
  2741. Is an adiabatic process isothermal also???
  2742. A wire loop into a magnetic field
  2743. Lunar effect on weight on earth
  2744. Engineering Materials - Ramberg Osgood Parameters Help
  2745. Change in speed around elliptical orbit
  2746. Distance between Mercury and Sun - gravitation
  2747. Stiffness vs. electric potential
  2748. how to do velocity-time graph to distance graph/acceleration to velocity graph?
  2749. Physics of building collapse
  2750. Determining the magnetic field of a bar magnet experimentally?
  2751. Lattice Enthalpy Of MgCl2
  2752. Question about the Poynting vector
  2753. speed
  2754. Linear superposition principle applied to electric potential
  2755. Gas laser
  2756. is electromotive force always constant??
  2757. Bounded Orbits
  2758. Conservative Forces
  2759. cavitation and decrease in pressure confusion!
  2760. What causes Siphone Action?
  2761. Hooke's Law
  2762. General solution of Poisson's equation...?
  2763. Smoke in a space station
  2764. why does OHMs law not work on AC circuits?
  2765. Solid mechanics, beams
  2766. Theory Question about Electric Potential Energy
  2767. Ideal Gas Work
  2768. Can a steel ball ( marble ) hover ?
  2769. rotating metalic bar and ddp
  2770. Pondering an old quote from Maxwell
  2771. How would I solve a problem like this.
  2772. How do particle accelerators change fast enough
  2773. Importance of canonical transformations
  2774. Young's double slit,Newton's ring's
  2775. Radiative force
  2776. Inertial forces in crank slider mechanism
  2777. Forces on a spring
  2778. which theory, Law or equation I should use to simulate molecules motion while heating
  2779. Potential energy of mass spring system
  2780. Simultaneity (Special Relativity)
  2781. Moment of Inertia for a hollow Sphere
  2782. What is a configuration space?
  2783. Torque and Power required to accelerate a car from 0-60MPH
  2784. Fuse current of silicon nanowire
  2785. Electron Acceleration Techniques?
  2786. Derivation of the Boltzmann Distribution
  2787. Derivation of Poisson's Equation and Laplace's Equation
  2788. Electric field, Electric Potencial, Electric Force, Potential Electric Energy
  2789. Lagrangians and conserved quantities
  2790. Quesiton on applied force on a rolling object
  2791. cm acceleration
  2792. Meaning of formula of electrostatic force
  2793. Question about triple point
  2794. non uniform circular motion
  2795. Trying to find two papers by Lorentz
  2796. Convection over horizontal pipe in air
  2797. fridge == ac? buffer roof?
  2798. Electric fields
  2799. Orthogonal angle with respect to all inertial frames?
  2800. dB and voltage relationship
  2801. Isentropic Process and Reversible Process
  2802. Adiabatic and Quasistatic Compression
  2803. maxwellian velocity distribution
  2804. resonance
  2805. Elastic collision COR problem.
  2806. pendulum dynamics
  2807. Uphill roller and conservation of energy
  2808. Electric dipole
  2809. Wilson's GF Method (molecular vibrations)
  2810. The fundamental thermodynamic relation
  2811. Motional emf
  2812. ap physics b circuits problem
  2813. A stupid question (I think)
  2814. segragation of a mixed gas
  2815. COP of Air-Conditioning
  2816. Elementary science project - HELP!
  2817. Expansion of Compton Hamiltonian
  2818. question on liouville's theorem
  2819. Positive and negative electrical terminals
  2820. E&M if there were monopoles (Lagrangian?)
  2821. Question about uncertainties in slopes of cars
  2822. Cornstarch solution
  2823. Why is it tiring to push hard against a solid wall even though no work is done?
  2824. Would KE be more if a ball was thrown at a smaller angle?
  2825. Ampere-Maxwell Law
  2826. The 3rd law of Newton with electrostatic fields
  2827. A Ball Rolling : What forces are involved?
  2828. Direction of magnetic field of spining charge
  2829. magnetic moment of a loop formed by a revolving electron
  2830. Hyrdrodynamic analogies and e.m. fields
  2831. Rubber band in air vs water?
  2832. Phsyics Kinematics: cannonball shot straight up
  2833. third law of thermodynamic as function of equilibrium constant
  2834. Moment of Inertia Transfer
  2835. Condition of equillibrium
  2836. Statics
  2837. Calculating the ratio between heat capacities of a gas
  2838. Conservation of ME and stable orbit
  2839. magnetic flux density vs magnetic flux
  2840. Lagrangian of a free particle
  2841. Derivation for F = ma
  2842. Derivation of energy stored in a capacitor
  2843. I don't understand how a varied mass changes the acceleration
  2844. Here we go again! Newtons and Watts...
  2845. Navier-Stokes (Low-Re Spherical)
  2846. Op amp logarithmic & exponential amplifiers
  2847. Heat from an infinite reservoir?
  2848. Relativity, Electric Currents and Magnetic Fields
  2849. Magnetic Fields and Currents
  2850. A sailboat and physics
  2851. Relation of I and V in secondry coil of transformer?
  2852. expression for the change in magnetic fux for a loop of varying area and B.
  2853. Actual definition of charge?
  2854. internal resistance source
  2855. Is magnetic field is produced by uniformly moving charge?
  2856. Quick question regarding bound currents.
  2857. Invisibility cloak possible? how close are we?
  2858. Pressure nodes and displacement nodes
  2859. Motion of a bullet inside a barrel
  2860. Need a pair of forumlas to help me build a lifting platform
  2861. Boiling point of water in a closed container
  2862. Automotive/Truck Tire Pressure Vs. Load
  2863. E between parallel plates
  2864. electromagnetic wave questions...
  2865. Frozen degrees of freedom?
  2866. Momentum, friction and energy
  2867. Momentum:difference in final velocities
  2868. do electric fields also generate smaller electric fields?
  2869. In a DC circuit charge flows in the opposite direction to a magnetic field. Is the el
  2870. Average number particles in a chamber (stat mech)
  2871. Supersonic ballistics is nonlinear right and not solvable exactly right?
  2872. Graphing Kinetic Energy over time
  2873. Person in a bus (accelerating system)
  2874. Colour "Chords"
  2875. Chasing Turtles Problem
  2876. conservation of angular momentum with energy
  2877. How to calculate divergence of some special fields
  2878. transverse waves
  2879. Inverse Square law and space
  2880. Hot objects
  2881. Angle between current and magnetic field
  2882. Hamiltonian systems, integrability, chaos and MATH
  2883. Newton's Third Law and Acceleartion
  2884. Electromagnetic field energy
  2885. Electric/Magnetic Field Equation Site
  2886. Resistivity and Current
  2887. Gravitational Contraction and Entropy
  2888. Isobaric,isothermal,isochoric,adiabatic
  2889. Help with Adiabatic Derivation
  2890. Back emf of motor
  2891. Continouty equation
  2892. Difference in polarization with birefringence substance and polarization filter
  2893. Lightning + static electricity + moisture = confusion
  2894. magnetic field
  2895. understanding the Hamiltonian
  2896. what makes the light a wave?
  2897. conservation of energy, momentum
  2898. How does classical mechanics change if motion was not infinitely differentiable?
  2899. Vector magnetic potential of current sheet
  2900. projectile motion and range
  2901. electric fields - magnetic fields?
  2902. what is thermodynamic potential?
  2903. calculating potential energy of electric dipole in uniform field
  2904. Stationary Electric Generation?
  2905. Eddy Currents in a disc
  2906. Surface element meniscus - free body diagram
  2907. Anti-centrifugal effect
  2908. Frequentist statistical mechanics
  2909. 1st and 2nd laws of thermodynamics
  2910. Example: Where is the conservation of angular momentum? (Magnetism)
  2911. magnetic field and electric polarizability in water
  2912. Problem understanding the definition of mechanical work
  2913. Energy of magnetic field
  2914. Examples of state functions?
  2915. Double pendulum, time question
  2916. conservation of momentum, spinning disk
  2917. I'd like to see your point of view!
  2918. Earnshaw's Theorem Generalised
  2919. Hypothetical kinetics questions, just for fun
  2920. References for non-vacuum dispersion relations
  2921. Newton´s third law: a justification
  2922. Getting into electromagnetism
  2923. Simple Question(s) About Angular Momentum
  2924. sound to destruct/ break concrete
  2925. adiabatic invariant
  2926. negative permittivity of metals
  2927. physical meaning of lagrangian
  2928. Average Velocity and Constant Acceleration
  2929. Inductoin coil help
  2930. Intuitive meaning for Newton-meter
  2931. Can adiabatic process be isothermal?
  2932. electric flux
  2933. wavey questions
  2934. Curved Fresnel Zone Plates
  2935. Light pressure video ?
  2936. A line of charge as a delta function
  2937. Classical mechanics, initial conditions question
  2938. A Problem I Was Considering But Seems So Simple
  2939. Optics, reflexion over water: why?
  2940. Effect on performance of solenoid when solenoid is inside external magnetic field
  2941. Spectroscopy via diffraction gratings with different spacings
  2942. Calculating equatorial velocity
  2943. Synchrotron radiation and conservation of energy
  2944. iPhone Accelerometer
  2945. Atmospheric pressure
  2946. Solutions to Maxwell's equations, I don't understand the notes provided
  2947. Maxwell's equations VS. Lorentz & Coulomb force equations
  2948. urgent plz
  2949. forces that could cause an objects acceleration to increase when weights added
  2950. Work in mechanics and thermodynamics
  2951. Why do lightning rods buzz ?
  2952. Mechanics | Suspended ball | Loop The Loop?
  2953. RL Circuit
  2954. analogy of casimir effect with moving boats
  2955. magnetic field due to a current carrying conductor is___?
  2956. Why do Molecules move?
  2957. the capacitance of a parallel plate capacitor after inserting a dielectric material
  2958. How do magnetic fields do no work?
  2959. Calculation of magnetic/electric fields
  2960. Can you point me in the right direction for self learning?
  2961. diameter of a splash affected by potential energy
  2962. Calculation of magnetic force
  2963. CRT direction of field in accelerating zone
  2964. How to calculate no. of photons emitted by a light source using chemical actinometry
  2965. Natural Convection - horizontal cylinder
  2966. question on young's double experiment
  2967. Energy lost in magnetism
  2968. Holding together two charges
  2969. newton 2nd law + frame of reference
  2970. Electric circuit 2 batteries
  2971. Excess charge on metal
  2972. Charge mobility
  2973. Frictional Charge
  2974. charge mobility on plastics versus metals
  2975. Charge separation of neutral objects by rubbing
  2976. Sinusoidal wave traveling along a composite string
  2977. Can energy be transferred without doing work?(entropy)
  2978. perfectly elastic/inelastic collision
  2979. Tricking Archimede's principle
  2980. The theoretical maximum efficiency of silicon solar cells is about 29%. Why?
  2981. What happens to a gas when it suddenly expands?
  2982. Magnetic Experiment Issue
  2983. Is Plancks function a distribution one?
  2984. Magnetic field between two infinit planes.
  2985. Gas pressure in variable diameter pipe
  2986. WHY does the 2nd law of Thermodynamics work?
  2987. fluids
  2988. How light starts
  2989. Energy of a magnetic dipole in an external B field
  2990. Thw wind tunnel making!
  2991. Induced Electric Field
  2992. is there a magnetic field around a moving "single" charge?
  2993. Angular Momentum/Precession
  2994. Nonconservative Work
  2995. Maxwell-boltzman distrubution
  2996. Why is acceleration constant?
  2997. I'm looking for a "short wave pass" material that absorbs above 1 microm
  2998. End correction of the pipe mouth(standing wave)
  2999. Static electric fields
  3000. Application of gauss law
  3001. Energy Conservation & E=M*C2
  3002. Energy conservation in Acid
  3003. E field between 2 parrallel conductors
  3004. Transistors
  3005. Entropy, (ir)reversibility & Otto
  3006. Magnetic field formulation!
  3007. rate of decreasing static field - is it measurable?
  3008. Entropy, energy, equilibrium
  3009. attraction of two charged particles
  3010. optics-maximum lens resolution and difraction limit
  3011. How to measure the polarization density
  3012. about resistor
  3013. a gauss meter_help
  3014. Liouville and Entropy
  3015. Inextensible string exerts no force?
  3016. magnetic fields
  3017. Question about the solution to Maxwell's equations in vacuum
  3018. Range of validity of Maxwell's equations with charges
  3019. Which Phase of Matter has Largest dV/dT?
  3020. Derivation of Snell's law from Huygens' principle
  3021. varying permittivity
  3022. The force conversation of angular momentum creates
  3023. Triangle-wall collision
  3024. orbiting earth!!!
  3025. Physical Significance/Interpretation of Angular Wave Number.
  3026. Optics: Phase difference
  3027. Integral in Stefan-Boltzmann law
  3028. Poynting vector: Why We-Wm
  3029. Thermodynamics Question
  3030. classical mechanics: motion of a rigid body
  3031. derivation for Newton's Cooling Law
  3032. Frictional force disc brake
  3033. repulsive force btwn electromagnet and permenant magnet (NdFeB)
  3034. Hamiltonian formulation of *classical* field theory
  3035. Electric sparks
  3036. Electric field permitivity
  3037. EM basis functions
  3038. Thermal Radiation Energy transfer
  3039. Carnot efficiency: is heat always positive?
  3040. Impact force
  3041. Pressure waves in a vortex towards the centre?
  3042. energy stored on a capacitor
  3043. Heat and mass transfer empirical equations
  3044. How does Wavefront technology used in optics work?
  3045. Trajectory of charged particle moving in a magnetic field
  3046. curiosity and dilema
  3047. does maxwell equation means waves travelling from future to the present?
  3048. induced EMF in loop
  3049. Lorentz Force in conductive beam
  3050. Confused about venturi tube
  3051. Energy of an electric quadrupole in an Electric Field
  3052. Fidicual marker on pendulum?
  3053. Conservation of energy, hypothetical situation
  3054. Earth's precession
  3055. Fluid/Air Dynamics question
  3056. Simple question about work and friction
  3057. Work and ramps
  3058. Fluid question: Detecting Blood Pressure in Mice
  3059. Moving electrical charges and Maxwell's equations
  3060. problem
  3061. Why does friction cause heat?
  3062. Force required to seperate two plates apart
  3063. Dispersion Relations
  3064. Objects cannot have a velocity > c. But what about acceleration?
  3065. mass spectrometers
  3066. Gyroscope Precession - Cause? - From Feynman
  3067. W/m2°K
  3068. How does top-spin effect a tennis ball's flight?
  3069. Force and Space (Their Relation)
  3070. energy in collision
  3071. what is the pressure in a microscopic scale?
  3072. How do action reaction force pairs arise?
  3073. Voltage across inductance
  3074. Poisson equation for point charge
  3075. Particle moving in a rotating frame
  3076. Wave Equation
  3077. Angular Momentum and Principal Axes of Inertia
  3078. Should force impact moving objects less than ones at rest?
  3079. Replace external force with an internal force
  3080. angular momentum and torque
  3081. Physics Paradoxes?
  3082. magnetic flux through a solenoid
  3083. can a dielectic MATERIAL IS A INSULATOR?
  3084. Variation on a classic problem (from Elementary Differential Equations, 2nd Edition)
  3085. Product of inertia
  3086. Potential for particle circular motion
  3087. Thermodynamic cycle and entropy
  3088. What ACTUALLY causes a magnetic field to be generated when there is a current?
  3089. Dielectric Constant of Metals
  3090. A Paradox Which Must Be Resolved
  3091. Good site to buy electrical experimental equipment?
  3092. Molar heat capacity for an ideal monoatomic gas
  3093. Converging Lenses and Magnification
  3094. Tesla Coil Help
  3095. motion of an aircraft in ground
  3096. Coherence
  3097. why does the air above an aerofoil travel faster
  3098. Polarization states of light in 2D
  3099. Object floating on the surface of water
  3100. Converting Pressure into Heat
  3101. Lorentz force in ANSYS
  3102. Momentum & Friction
  3103. Osmosis, osmotic pressure, vapour pressure...
  3104. Falling physical pendulum
  3105. Direction of magnetic field
  3106. black radiation
  3107. Electric generators
  3108. wire between two magnets
  3109. A body's speed limit due to air resistance?
  3110. Position sensor for moving projectile
  3111. On Physical Lines of Force: elasticity, density and the speed of light
  3112. Maxwell's equations: E, B and distance
  3113. Why is the concept of Power useful?
  3114. Misunderstanding about work definition
  3115. Mutual induction.
  3116. Permanent Magnets with Comsol
  3117. How to define the b.c.s for the EM field of a perfectly contucting surface?
  3118. Moving water up an incline
  3119. Energy flows of reflected/refracted waves
  3120. Electrostatic Energy Density
  3121. Paralle plate capacitor, LIH dielectric, fringing field
  3122. Converting engine torque to applied linear force
  3123. How do batteries give the electrons their energy?
  3124. An odd thought on centrifugal compressors.
  3125. the difference between using Acos(wt-kz) travelling wave equation, and Acos(kz-wt)?
  3126. Maximal acceleration of a car in a curve
  3127. Does the third law of motion fail in magnetism?
  3128. Drive Line Out Of Gear Correction
  3129. Schroeder on thermodynamical reversibility, entropy and quasi-static equilibrium
  3130. mass spring system where springs have mass
  3131. how come when a reaction causes an increase of entropy, it is able to do more work?
  3132. Projectile motion
  3133. Charing a capacitor... hard time visualizing what's happening.
  3134. Violation of Snell's law
  3135. turboexpanfer joule thomson
  3136. Energy flows of reflected/refracted waves
  3137. Partition function approximation
  3138. Stress Tensor and Motion
  3139. question about magentic induction
  3140. New at using a multimeter, why isn't this working?
  3141. Magnetic field compression?
  3142. Single Slit (Fraunhoffer) Diffraction Question
  3143. How come a light bulb does not explode?
  3144. Interpreting Maxwell
  3145. inorganic crystal structure theory for linear birefringence
  3146. Wave vector
  3147. Why does a car continue to run when the engine is turned off?
  3148. Is it possible to calculate earth's massiveness
  3149. calculating change in velocity with resistance
  3150. dual field strength equals to itself
  3151. Calculating time from velocity and acceleration?
  3152. binding energy
  3153. Fluid Dynamics - Increasing Outlet Pressure
  3154. Minimum force to keep a mass floating in the air
  3155. Kinematics Question
  3156. Simple rotary motion question
  3157. determining # of phases given two variables
  3158. How to prove the uniqueness theorem in an unbounded domain?
  3159. Holding current for stable plasma
  3160. powers analisys for ball stuck in a Chimney
  3161. Collision with hexagonal system of bars
  3162. Absolute Maxwellian acceleration?
  3163. double-slit diffraction with UNEQUAL source amplitude
  3164. Electromagnetic Induction
  3165. Induction Experiment - Magnetic Field through a Toroid
  3166. elementary confusion about the magnetic dipole moment and field lines
  3167. Influence of EM fields on classical friction?
  3168. Appications of charging of a capcitors
  3169. Enthalpy and isothermal, where is my logic wrong
  3170. Comparing pressure losses in compressible flow between air and natural gas
  3171. what's wrong with argument against cos?
  3172. When is work done?
  3173. violating the principle of relativity
  3174. Complex amplitude of E-field and phase changes
  3175. Friction and wide tires.
  3176. Coriolis force at equator
  3177. Calculating Temp Difference in a hot water tank
  3178. partial derivative of coordinates
  3179. Complete Analysis of Rotating 2-arm structure
  3180. Potential Energy
  3181. Modern day applications of Hooke's Law
  3182. Sphere rolling down an inclined plane
  3183. What is a coefficient of resistance?
  3184. Lorentz Force replaces 2 laws of Maxwell?
  3185. Do bunched particles form a unified field?
  3186. Speed of Newtonian Gravity
  3187. resistance of a well conducting wire with EM wave penetrating through it..
  3188. Centripetal Force: At what RPM must you gainer at to decapitate yourself?
  3189. bullet from a moving train... kinda
  3190. Box on Box on Box free body diagram
  3191. Net torque Problem in gear system
  3192. Electric field inside dielectric cylinder
  3193. Gravity Goes Faster Than Light?
  3194. Deviation in the direction of current.....
  3195. Disorder: Is it really increasing?
  3196. Thermodynamics conceptual question(for advanced people)?
  3197. Calculate Impact Force Of a Truck Hitting a Deer
  3198. Determining electromagnetic force and fields
  3199. Stuck with a problem...abt linear thermal expansion of solid
  3200. Hyperphysics Picture Wrong?
  3201. bitter magnet calc.
  3202. Rotation of structure
  3203. Rock Climbing - American Death Triangle
  3204. Magnetic Force
  3205. Lenz,s Law in Automotive situation
  3206. torque applied at offset
  3207. continuum mechanics - positive definate tensor
  3208. A question on Forces
  3209. Entropy Confusion
  3210. Simple calculation of the self inductance of two coaxial solenoids in series?
  3211. Energy discrepencies depending on frame of reference
  3212. Definition of electric current
  3213. Space station mathematics question
  3214. Fabry Perot Cavity - phase difference?
  3215. Rotational inertia of a square piece of wood?
  3216. Toggle Joint
  3217. oscillating charges
  3218. Magnetic field outside a conductor
  3219. Why do tankers be charged
  3220. Localization modes
  3221. Bicycle wheel precession
  3222. Electrostatics: Charge distribution and Dirac's delta, lots of questions
  3223. What are the equations of motion for a time dependent Lagrangian?
  3224. Space and Time Invariance (Classical Wave Equation)
  3225. Propagation of electromagnetic waves in a lossy media
  3226. calculating maximum amplitude of atomic vibrations
  3227. work done by action and reaction
  3228. Impedance of free space/wave impedance
  3229. Vehicle suspension characterization
  3230. Coriolis Effect
  3231. this isn't trivial
  3232. Development of 2nd Law Of Thermodynamics
  3233. EM waves in a dielectric
  3234. Equivilence between Biot-Savart's Law and Ampere's Law
  3235. Optics
  3236. Inductive interference from two EM coils (aka a transformer)
  3237. A giant ball of ICE hits a star
  3238. Why ideal gases are not used in refrigerator?
  3239. density matrix
  3240. Work and Power of the Friction Force in an F=-bυ damped oscillation
  3241. Clarify remark from Landau's Mechanics
  3242. EM fields. Angular Momentum seems not to be Conserved!!
  3243. Non Equilibrium Statistical Mechanics
  3244. Object sliding down smooth quarter circle as a function of time
  3245. Electrostatic uniqueness theorem
  3246. Problem with pulley video
  3247. Magnetic Force
  3248. Conducting Rod in Electric Field
  3249. Classical Wave Question
  3250. Projectile motion with varying air resistance
  3251. Banked curve: question about friction and normal force
  3252. Electric potential in different cases
  3253. Principal axes of a rigid body
  3254. Standing Wave Equation
  3255. Alternating current
  3256. Why no privlidged reference frame?
  3257. Light as a wave, frequency question
  3258. Current carrying coil - torque on a circular one
  3259. Equivalent series resistance of antenna?
  3260. Conductivity vs. Permittivity
  3261. Fluid mechanics of water in a pipe
  3262. property of an object
  3263. inertial prop of object
  3264. relativistic force
  3265. Inertial reference frame for 2&3 law
  3266. reference frame of rotation
  3267. COP in vapor compression refrigeration analysis
  3268. Mass Distribution between Car Tires
  3269. Lagrangian/Hamilton's principle when no holonomic forces
  3270. First order phase transition (van der waals gas)
  3271. Plate over Horseshoe Magnet
  3272. Alpha Particles vs. Helium
  3273. Fresnel equations and energy ratios
  3274. Ping Pong ball through a bowling ball
  3275. Soldering a Cavity Resonator
  3276. thermodynamics
  3277. Bending Moment Maximum Force
  3278. alternating voltage/rms voltage
  3279. A concept issue about EM field energy
  3280. What is the significance of sqrt{2gh} ?
  3281. Work associated with different wheel sizes on bicycles
  3282. calculation of material properties in transformation media
  3283. A question about kinetic theory of gases
  3284. Spark reinforcement
  3285. Electric field inside conductor
  3286. Free Thermal Expansion and Stress
  3287. Mass difference of a charged and a drained battery cell
  3288. Coilgun Problem
  3289. what is a linear dielectric?
  3290. What is wrong with Ampere's force law?
  3291. Confusing torque poblem
  3292. Thermodynamics and the Arrow of Time
  3293. Gaussian
  3294. Lorentz Force in Magnetic Circuit Air Gap
  3295. direction of H field lines
  3296. Trying to understand potential energy at infinity
  3297. Mechanically Oscillating Capacitor in LC circuit
  3298. Bar magnet entering a solenoid
  3299. Partition function
  3300. perfectly rough
  3301. Time averaged poynting vector
  3302. Nature of the electric field
  3303. Faraday's Disk Dynamo: why is there an emf?
  3304. True Derivation of Wien's Law
  3305. Electrostatics: What power equations to use?
  3306. Object’s speed and its heating temperature
  3307. what is shear?
  3308. Plasma
  3309. Constant volume or constant pressure??
  3310. The Poisson equation
  3311. fluid resistance
  3312. Newton rings and coherence
  3313. Does damping of period affect the period?
  3314. u-values using thermal imaging
  3315. A conceptual anomalie
  3316. Thermodynamics questions about beer and carbonation
  3317. Friction force
  3318. Volume flow rate
  3319. Circle of Friction in Journal Bearing
  3320. deriving Newton's Law of Gravitation
  3321. Gibbs and Maxwell's U-S-V surface
  3322. Coefficient of static friction in a 3D Games Engine
  3323. If I roll a hoop forward, what keeps it up?
  3324. Feynman's paradox
  3325. Propagating wave
  3326. Lagrangian of an isolated particle, independant from Newtonian Mechanics?
  3327. Friction Concept
  3328. Direction of electric field lines
  3329. Question about falling bodies...
  3330. Negative temperature and the amazing power of SM
  3331. 3D film glasses
  3332. Why diatomic molecules (ideal gas) are 1-d oscillators.
  3333. Differential Equation for the Orbit - Goldstein Chapter 3
  3334. Rewrite flowrate equation
  3335. Single-Slit Diffraction
  3336. Does Newton's law of gravitation explain this?
  3337. Urgent help needed: flow through orifice
  3338. bicycle helmet impact
  3339. does charge is also responsible for mass?
  3340. A Conductor within a Capacitor
  3341. drag force on cylinder in parallel flow
  3342. The relation between angular and linear momentum
  3343. Collisions with Springs
  3344. RC circuit - Capacitor discharge
  3345. Basic doubt and EM waves
  3346. Calculating time derivative of Magnetic force
  3347. mass difinition and protons
  3348. Dispersion
  3349. electron gun design using faraday cage like setup
  3350. Introduction to Nonequilibrium Statistical Mechanics
  3351. Negotiating a bend
  3352. Kinematics of a particle - Curvilinear motion of cylindrical components
  3353. why cant Hamilton mechanics deal with friction
  3354. Green's function and Dirichlet boundary problem
  3355. Magnetostatics - boundary condition
  3356. New Flying Machine?
  3357. Time reversal symmetry breaking in EM
  3358. Electromagnetic forming
  3359. Definition of Kinetic Energy?
  3360. Lorentz forces
  3361. Canonical transformations
  3362. 3 Polarizers
  3363. Moon orbit and conservation of energy
  3364. Lenard Jones Potential & wavenumber
  3365. Ionization by magnetization
  3366. Problem with the physics behind charged, isolated conductors
  3367. Kinematics of an Object Sliding along Terrain
  3368. Estimating efficiency of sum frequency generation
  3369. heat transfer and economy
  3370. Electric field around a current carrying wire
  3371. pressure-volume-temperature
  3372. Mass and flow rate
  3373. Hooke's law
  3374. Magnetic force applied to electron spin magnetic moment
  3375. Magnetic field in perfect conductor
  3376. Forced Self-Sustained Oscillator
  3377. Is there such a thing as gravitational pressure?
  3378. Mechanical advantage pickup truck crane
  3379. colliding balls
  3380. Conceptual derivation of (classical mechanical) energy?
  3381. Energy in waves
  3382. Trouble with the constant G
  3383. Rotational motion
  3384. Spring attached to string on one side, mass on the other.
  3385. Gravatational pull of two objects with diffrent masses
  3386. A changing electric field delema
  3387. On the momentum of fields
  3388. Green house effect?
  3389. How to reach 2,000 Fº at home?
  3390. How come there is no conservation of force?
  3391. Determine surface area needed dissipate ~170W power with ~50 degree temperature chang
  3392. On collisions
  3393. Fields & Energy
  3394. force on a magnetic particle
  3395. does the frequency of light changes when it go through a prism
  3396. Momentum and Kinetic energy
  3397. Negative Energy
  3398. Mie theory azimuthal ange independance!
  3399. Law of conservation of parity
  3400. Distance traveled by a rubber band powered car
  3401. Is the Poynting Vector Frequency Dependent?
  3402. Bohr - Van Leeuwen theorem and the velocity distribution
  3403. Lennard-Jones Potential - distance of closest approach
  3404. Hooke's law from first principles
  3405. sommerfeld lectures on theoretical physics
  3406. Relating Motor Torque to Vehicle Motion
  3407. EM radiation and momentum
  3408. Hydrostatic pressure.
  3409. Derivation of the Boltzmann constant
  3410. N2 gas temperature change by different compression/expansion speeds
  3411. siphon in vacuum
  3412. Lineer Collision
  3413. Index of refraction and planes of oscillating charges
  3414. Fluid Mechanics : Ice cube melting and Surface Energy Que.
  3415. Dirac's conjecture
  3416. Defination of E D and P fields
  3417. Wavefront Simulation
  3418. Real component of the wavelength of microwaves in copper
  3419. Inductive reactance – Circular loop with N lambda standing wave
  3420. Lagrangian Dynamic with non linear interlaced constraints
  3421. sof landing of rockets on satelite
  3422. Resonance in EM?
  3423. Heat transfer at high temperature
  3424. will a sprinter's speed keep increasing all the time?
  3425. Classical Electromagnetism vs. 3rd Law? (second round: Relativity)
  3426. Question about polarization
  3427. Origin of non-conservative Faraday
  3428. Non polarized EM wave?
  3429. Cosmic perpetual motion?
  3430. If the Earth were to stop spinning, would we weigh more?
  3431. Enthalpy of ideal gas
  3432. bernoulli's equation
  3433. Laws Of Thermodynamics (Pre-university)
  3434. Gyroscope understanding doubt
  3435. Change in Free Energy in terms of First Law
  3436. Electric Field between two opposite, gaussian distributed charged spheres
  3437. Explaining (ir)reversibility with S.M.
  3438. Unserstanding Larmor’s Equation?
  3439. Magnetic force b/w wires of unequal length
  3440. Chaos
  3441. correlation dimension
  3442. Inertia tensor for multibody system(Robot)
  3443. If the clamped spring is dissolved in acid what becomes of its potential energy?
  3444. Action and the Lagrangian
  3445. Pendulum bob oscillation
  3446. Question about the Source of Electromagnetic Waves
  3447. Why does induced current in loop vary twice with rotation of coil?
  3448. maxwell distribution law
  3449. electrons in rectilinear uniform motion...
  3450. Atom Orbits & Energy
  3451. Circuits - Kirchoff's Law
  3452. Conservative Forces
  3453. Infinite array of charged wires
  3454. Equation of motion
  3455. About 1 Dimensional 3-body problem
  3456. Molar specific heat capacities for gases
  3457. Mechanics - Truss Equilibrium
  3458. Why do ice skaters bend at an angle when taking a turn at high speed?
  3459. Trebuchet
  3460. oscillators
  3461. Wave interference
  3462. Electromagnetic force on a particle in two different frames of reference
  3463. Dispersion of soluble matter in tube
  3464. A philosophical question about piston and vacuum
  3465. Optical Modeling
  3466. Indeterminism in Newtonian mechanics?
  3467. Liquids - simple question
  3468. Radiation pressure - classical description
  3469. What is Feynman saying here? (entropy)
  3470. The validity of classical physics (split from: DWFTTW)
  3471. classical physics vs relativity: parallel electron beams
  3472. Stationary Position of a 3D Harmonic Oscillator in a constant EM field
  3473. Is mass density a scalar or a scalar density of weight -1?
  3474. A question about the phase of pump wave of a dipole and radiation of the dipole
  3475. Why does cross section of water flowing down in a vertical held pipe doesn't decrease
  3476. Science Project - KFFG
  3477. If the moon stopped orbiting the earth
  3478. Wikipedia's defintion of the joule is confusing me
  3479. Physics Launcher
  3480. When a meteoroid enters the atmosphere...
  3481. Landau Lifshitz's statement on Coordinates, velocity & acceleration
  3482. Electric and magnetic field
  3483. Air Conditioner Efficiency - Humidity & Precooling
  3484. capacitance and inductance of cylindrical shell
  3485. Far Field Radiation
  3486. Langmuir waves dispersion relation
  3487. Dielectric sphere in point charge electric field
  3488. The effect of "local torques" on a free body(A hexapod robot)
  3489. Wavefront Simulation using Geometry Optics and Physical Optics
  3490. velocity measurement
  3491. Intrinsic Angular Momentum
  3492. transmission of force(elasticity)
  3493. shape of electric lines of force created by an oscillating charge?
  3494. Acoustic properties of titanium in medical ultrasound
  3495. Kirchhoff's second law and inductor's field
  3496. Tesla and his Death Ray
  3497. inductance of toroidal shell
  3498. Gravity and Quantum mechanics
  3499. Why doesn't a bullet tumble?
  3500. Why do Poissons ratio differ between different alloys?
  3501. Why has evolution failed to utilise radio transmission & reception?
  3502. Bullet trajectory; solving for required angle of elevation
  3503. self contained U transit drive for spacecraft
  3504. can sound wave also interference just like EM wave
  3505. equations for calculating required pump pressure given flowrate, xsa, length
  3506. Buoyancy: Archimedes' Wooden Spheres
  3507. Electrodynamic Question about Metal.
  3508. Kramers kronig relation, Cauchy residue theorem
  3509. Real Life Free Falls
  3510. Simple Problem that I can't get my head around
  3511. Simple statics question
  3512. History of the Work Equation
  3513. Photodiodes and LEDs
  3514. Deriving Biot Savart's law from Ampere's law
  3515. Why does it work?
  3516. Optics: Soap Film and Other Things
  3517. Detailed Balance: meaning?
  3518. First order fringes being reflected back to the 0 order
  3519. Newton's Rings
  3520. Some Fluid Questions
  3521. Calculating cooking intensity
  3522. Infinite Intensity with Young
  3523. Heat loss through PEX pipe
  3524. Why is this equation equal to another equation?
  3525. 3D isotropic harmonic oscillator vs. diatomic molecule
  3526. Electromagnetic Induction
  3527. Steady direct current question
  3528. Three Clear Questions on the Nature of Electromagnetic Radiation
  3529. bookkeeping for angular momentum in sphere/dumbbell collision
  3530. Euler's First Law and the Conservation of Momentum
  3531. Difference Between Torque and Moment
  3532. Electromagnetic induction
  3533. Confusion on Source of EM Radiation? (segment Serway)
  3534. Flux
  3535. Electromagnetic induction in a ferromagnetic object
  3536. Signature convention in Electrodynamics
  3537. Oil spill: Water pressure VS. oil pressure
  3538. plasma physics
  3539. Polarization and Bound Charges
  3540. Beam Force Diagram
  3541. Maxwell's Equations: Mutual consistency
  3542. Free fall (full solution)
  3543. translational vs rotational momentum
  3544. Is there a formula in electrostatics analogous to escape velocity?
  3545. Gravitational Disc consequence!!!?????
  3546. Line Charge and Sheet Distribution
  3547. Is Gravitational Potential Energy real?
  3548. Why does a ball moves at an angle when it collides with another ball?
  3549. Coloumb's constant and the Gravitational constant
  3550. What is the point of repeating TR signals in MRI
  3551. Is this why feathers fall slower than canon balls?
  3552. Equation derivation - forces on eddy currents
  3553. moving charges and magnestism.
  3554. Pull force
  3555. Adiabatic compression at a constant rate
  3556. Can Magnetic Force Perform Work?
  3557. Tension On Rope Ends
  3558. How much force needed to partialy lift object?
  3559. Pressure in free jets
  3560. Solving for Forces in a Truss
  3561. Disturbing the Faraday Cage
  3562. What is the mean molecular speed of Mercury Vapor at room temperature?
  3563. If you spin a cylindrical magnet will anything happen to its magnetic field?
  3564. Cantilever Effect? Plate Deflection Help!
  3565. fluid velocity in free jets doubt
  3566. Several Questions About Electromagnetic Waves
  3567. Maxwell's Equations for nonlinear media
  3568. Modal analysis and the Uniqueness theorem
  3569. Forces in a Truss
  3570. Complex Thermo-Dynamic System of Equations
  3571. Momentum/ Spring Question
  3572. Hamiltonian as Legendre transformation?
  3573. Onsager reciprocity relations: proof
  3574. A quick question about Motors
  3575. Water Balloon Trebuchet/catapolt Physics Problems
  3576. Derivations of Euler equations
  3577. momentum
  3578. Faraday's Left Hand Rule
  3579. Covariant Maxwell Equations in Materials
  3580. Is there a reason the Ampere is defined in terms of negative charge per unit time?
  3581. Work done by a spring.
  3582. Magnetic Linear Accelerator Questions
  3583. Which came first, E or B?
  3584. Point charges in non-inertial reference frames
  3585. E-field of a laser pulse and Intensity
  3586. Momentum and elasticity and this astronaut dude
  3587. riding gravity
  3588. How to power an RF Linear Accelerator?
  3589. Elastic materials affecting impact
  3590. About electric potential
  3591. A Different Spring/Work Question
  3592. Electromagnetic Wave Layout and Propagation
  3593. Boundary condition for Maxwell equations
  3594. Super continuum GVD calculation
  3595. Energy transfer due to evanescent fields
  3596. Entropy & Enthalpy - A Weird Deduction from Class...
  3597. When is dA not integrated into A for Gauss' law?
  3598. Supersonic vortex rings
  3599. Diferent kind of energy (heat and kinetic)
  3600. the effect of an external electric field on water
  3601. Mutual Inductance: Coil 1 Excited, Coil 2 Open Circuited
  3602. lump disk mass to a point
  3603. Was Newton able to analyze perfectly elastic collisions?
  3604. If there was steal between earth and the sun instead of a vacuum...
  3605. Isn't this spooky variable a problem?
  3606. Is Everything Magnetic?
  3607. Change in speed when water goes from straight line into a curve
  3608. acceleroneter
  3609. why field lines are tangent to direction of electric forces
  3610. Is this equation for acceleration on this website wrong?
  3611. Angular momentum
  3612. Changing/Controling relative permeability
  3613. negative electric permittivity
  3614. Capacitor Charge Discharge Clarification
  3615. Lagrangian for E and B fields, not vector potential?
  3616. Lagrangian formulation
  3617. Action and Response functions.
  3618. Urgent-About reference frames!!!
  3619. Fletcher's Paradox - Lynds' Resolution or not?
  3620. Rotating Object Changing Direction
  3621. Ascension rate of balloon
  3622. Arbitrary choice of origin when linear momentum is zero
  3623. deceleration imposed by friction
  3624. dipole moment
  3625. Maxwell eqs: 8 eqs for 6 unknowns - too many eqs?
  3626. Gravitational / Magnetic Potential Energy Question
  3627. Constraints
  3628. Heat transfer
  3629. how does Poincare sphere for a TEM wave depend on direction of propagation of wave?
  3630. A physical interpretation of classical electrodynamics
  3631. Question about Electrets
  3632. Car Differential
  3633. Differential of acceleration
  3634. Spring Constant
  3635. help with electro magnet
  3636. Logical explaination for chaotic behaviour
  3637. Sensitive quick digital thermometer
  3638. Heat Transfer with pex pipe
  3639. Hooke's law
  3640. forces on wheel
  3641. Ampère's circuital law not permitted?
  3642. Thermodynamic potentials
  3643. Vapor Pressure
  3644. The Skin Effect in AC Circuits
  3645. Inverse/Anti - Divergence? ...Maxwells Eqns.
  3646. When should the integral be used for Gauss's law?
  3647. Statics Question regarding Joint type & Reactions
  3648. Can moving ions in water produce a magnetic field
  3649. Trampoline mechanics
  3650. Fluid mechanics : Barometer - slight confusion.
  3651. Centrifuge
  3652. zero kelvin model
  3653. What is the cause of inertia.
  3654. Can a Hamiltonian be formed from this Lagrangian?
  3655. Volume flow rate
  3656. Solvated ion in water solution with surface effects
  3657. Velocity of Head from Car Accident
  3658. a question about centrifugal force
  3659. Force & power
  3660. Increase of velocity of center of mass of a certain system
  3661. Basic principle of electrostatics..?
  3662. Mutual Inductance of two current elements
  3663. How do i find the direction of impulse in 3d?
  3664. Shuttling Ball Experiment
  3665. Calculating Electric Flux Φ w/o typical Gaussian surface
  3666. Balancing & Centrifugal Force
  3667. charged elastic planar ring
  3668. Pressurizing Water ?
  3669. angular accerleration
  3670. Does the lightbulb burn? (Faraday)
  3671. capillarity,fluid mechanics
  3672. Mechanical Advantage of toggle joint
  3673. Finding acceleration of blocks in a pulley system
  3674. Torque losses through gears due to inertia
  3675. winch pressure
  3676. Liouville's theorem for Dissipative Systems
  3677. The Mean Free Path and the Magnetic Field
  3678. Diffusion equation in sperical coordinates
  3679. Aerodynamic heating on rocket fins
  3680. electron and proton collision
  3681. The wave equation for sound waves
  3682. phase velocity electric current
  3683. Lorentz force
  3684. Problem with 3d impulse and collisions
  3685. Measuring the angle of incidence into a fiber
  3686. gas flow through a capillary
  3687. Rate of Heating on an angle
  3688. Magnetic field produced by a short wire element (on 360 degree basis)
  3689. Physics & Baseball
  3690. orthotropic materials defined by 9 constants
  3691. Gas radiation question - He, H2 vs O2, N2
  3692. combustion/explosion reactions
  3693. Aerodynamic heating
  3694. Degree of freedom
  3695. Induced Current
  3696. Calculating theoretical heating rate of sand
  3697. Proper Definition of a System
  3698. Wavelength and information.
  3699. Definition of Eo (Coulomb's law)
  3700. Confused about voltage
  3701. Breaking concrete manually.
  3702. Coupling of thermoelasticity
  3703. Weakly nonlinear theories in electrohydrodynamics
  3704. 2 dimensional collision modeling
  3705. Penetration of certain objects
  3706. A question on heat transfer and blackbodys
  3707. Degree of freedom (physics)
  3708. Sonometer Experiment
  3709. What is most fundamental, force or field?
  3710. Wire Cable Shock Load Calculation
  3711. Ellipsometry
  3712. Non equilibrium systems
  3713. Capacitors
  3714. How is it that the sun affects our tides?
  3715. relationship between molecular momentum and electron orbital behavior
  3716. "entropy is disorder" = outmoded theory??
  3717. force between movable objects versus one stationary one
  3718. paradox with Newton's E=1/2mv2 ??? Looking for clarification...
  3719. resistance of the tongue.
  3720. del operator
  3721. Wavelength dependence of a resonant coil?
  3722. WHY does CURRENT attain STEADY state?
  3723. Heat Exchange between Fluids (and similar questions)
  3724. Graphite leads in electrolysis
  3725. Faraday's law of induction
  3726. Inhomogeneous electromagnetic wave equation
  3727. Why does a comet get pushed away by the sun when it gets too close?
  3728. If a black object warms faster during the day, does it cool faster at night?
  3729. the distribution of Maxwell for energy
  3730. 3D elastic collisions of spheres: angular momentum
  3731. Definition of electric potential in case of negative charges
  3732. Ohm's law, why current induces electric field and cause effect direction
  3733. Heat over time comparison question
  3734. Help with Dielectric Constants
  3735. Interference Pattern Properties
  3736. Ising model and more complex interactions between particles
  3737. particles/waves that self-propogate
  3738. amoeboid movement
  3739. Red light waves/refraction
  3740. The Laws of temp-pressure
  3741. Awkward integration
  3742. another E=1/2mv^2 dilemma... increasing energy required?
  3743. Research Assistant
  3744. Variational principles in physics
  3745. High precision tests of Maxwell equations
  3746. What does "sub i" mean?
  3747. Definition of a quasistaic process
  3748. A second question regarding a quasistaic process
  3749. Notation for work done
  3750. Working of Van De Graff generator
  3751. Drag in accelerated reference
  3752. fluid dynamics (masters level)
  3753. Harmonic oscillator phase space integral
  3754. Very confused about surface tension
  3755. Thermodynamics of matter under pressure
  3756. Earnshaw's Theorem: Why Can't I Contain a Charged Particle Electrostatically?
  3757. Finding the E field... direction of integration
  3758. Clarification on How Wireless Charging Works
  3759. infinitesimals - finding the E field
  3760. Lagrangian intuition
  3761. Energy Dissipation when compressing a spring
  3762. Is it able to convert electricity into propulsion force?
  3763. Landau's derivation of the Langangian expression
  3764. Roller Coaster
  3765. Gustav Mie's original paper - translation
  3766. Generalized momentum - Physical meaning
  3767. Understanding the influence of terms in Navier Stockes fluid equation.
  3768. Neutral body radiation
  3769. A couple of questions
  3770. Conservation of Energy, thinking question
  3771. refractive index
  3772. Moment of inertia for a hollow cube. Rotating about diagonal opp corners
  3773. Propgating Electric Field Lines
  3774. Direction of friction on bicycle wheels
  3775. Boundary value problem for non-conducting surface
  3776. Dissipative Function of Air Drag
  3777. Prove That Charge Distributes Uniformly on a Disk Conductor
  3778. electromagnet pull field
  3779. Thermodynamics: Exothermic & endothermic reaction in counter current flow
  3780. what is 4pi
  3781. problem with angular accelaration!
  3782. interference
  3783. Calculating Viscous and Pressure Drag On A Sphere
  3784. Accelerometer Axis Misalignment Compensation
  3785. Basic Problem with Heat Transfer
  3786. Damping ratio from transfer function
  3787. Calculate Torque and directional force
  3788. A Charged Particle in a Uniform Electric Field
  3789. Watts into Watt-hours
  3790. Forces on a book
  3791. Thermodynamics basics.
  3792. Variable torque due to rotation
  3793. coulomb's vs gauss's Law?
  3794. Is gravity the cause of most kenetic energy?
  3795. Energy in a Fundamental Standing Wave Vs. The Energy in its Harmonic Waves
  3796. Question about insulation and heat transfer
  3797. A Point Charge?
  3798. Weighing Magnetic Fields
  3799. Newton's 1st law; a special case?
  3800. kinematics and rigid body simulation
  3801. Conservation of energy - olympiad problem
  3802. Heat transfer in space
  3803. density of electrons and quarks
  3804. electrical energy stored in solenoid
  3805. The truth about electric current
  3806. Rate of acceleration and viscosity
  3807. Theories of specific heat.
  3808. Two Electorns in a Vacuum
  3809. ambiguity in defining CoG,
  3810. Qualitatively define entropy
  3811. accuracy of Kirchhoff diffraction theory
  3812. cool thermocouple junction
  3813. Drag in 3 dimensions
  3814. Experienced Physicist Looking to construct Particleaccelerator
  3815. Does the ball rotate about its axis?!?!?!
  3816. Mass Flow through a 1.5" Pipe @ 300kpa
  3817. Maximum temp possible with a constant heat source?
  3818. Solving non-conservative equations
  3819. Current and charge density?
  3820. Lorentz attractors and fractals
  3821. Carnot cycle with efficiency > 1
  3822. Third law of thermodynamics
  3823. Shell theorem and oblate spheroids/non perfect spheres
  3824. Mutual Inductance?
  3825. Drag/friction on a cylinder rotating in water of different volumes
  3826. Why do things rotate? I know what torques are.....the question is deeper than that...
  3827. Microwave energy storage
  3828. Why some bodies are magnetized?
  3829. Thermodynamic properties of ideal gases
  3830. Charge conservation
  3831. Predicting model rocket height (with and without drag)
  3832. Biot-savart and Ampere's law
  3833. Inductance problem, puzzles professors
  3834. beam vs string
  3835. Is space covariant or contravariant?
  3836. Variable acceleration problem
  3837. Wave equation with gravity
  3838. Second law of thermodynamic and probability
  3839. Equilibrium state - statistical intuition
  3840. What does infinity potential mean?
  3841. How to model a vibrating stick
  3842. Electromagnetic Field/Force Model
  3843. On the notion of pressure in the canonical ensemble
  3844. Pendulum frequency
  3845. Air Drag in 1D
  3846. Air Drag in 1D
  3847. 1st and 2d order phase transitions
  3848. Electric Motor and Gas Engine Horsepower Equivalency
  3849. Heat and Gravity
  3850. Acoustics
  3851. Escape Velocity Derivation
  3852. Which direction do we assume the static friction force to be in? (Static equilibrium)
  3853. Mechanical Failure of a Truncated Cone
  3854. Circular motion at end of string in horizontal plane
  3855. Why do things melt?
  3856. Possible new reformulation of classical mechanics
  3857. Help!! Heat Conduction into a gas!!!!!
  3858. Qualitative query regarding Newton's Law of Universal Gravitation
  3859. Friction acting on a ball on an inclined plane
  3860. Wave equation boundary conditions at infinity
  3861. Cathode Rays Experiment.. some missunderstood parts
  3862. Rocket Launch Speed
  3863. Maxwell Equations for What?
  3864. Potentail Energy beyond infinity
  3865. Application of Maxwell's stress tensor to linear pull type solenoids
  3866. Kinetic energy, heat, and reference frame
  3867. Destructive interference and Conservation of energy
  3868. Solving fluid's Poisson equation for periodic problem or more easy way?
  3869. Calculating force of colision in Newton's Cradle
  3870. Gravitational constant G.
  3871. question about columbs law.
  3872. Friction and Resistance - Inertia
  3873. Calculating torque for precessing gyroscope
  3874. LC circuit and radiation
  3875. Heat Engines
  3876. relationship between newtons 1st and 3rd law
  3877. Shock
  3878. Statics via Lagrangians
  3879. Conservation of spin, energy and momentum
  3880. Conservation (momentum and ke)
  3881. Position as a function of time through a varying gravitational field
  3882. Magnetism question regarding solenoids and shapes of their cores
  3883. Infinite dielectric permittivity
  3884. Gauss' Law Universally True?
  3885. Magnetix flux density & Zero scalar potential
  3886. Inverse Square Law in 1 dimensional space
  3887. rolling down a slope vs to slide down a slope
  3888. isothermal process
  3889. Clay Math Navier-Stokes problem solved
  3890. What happens to polarised light?
  3891. Ratio of mass moment of inertia to mass
  3892. Wheel torque > contact patch friction > torque
  3893. Does the Earth move around the Sun?
  3894. Microwaves
  3895. Doubts regarding conversion of mechanical work to heat
  3896. chopping/splitting wood question on estimating force
  3897. How does the force of wind come from?
  3898. Electrostatic force calculations
  3899. LOW resonance PIEZO Electric drivers ?(do i have to make one?)
  3900. Pressure loss calculation
  3901. Terms to describe these patterns
  3902. [EM] Diffusion by a rod
  3903. why is electromagnetic force perpendicular to magnetic field?
  3904. Inductance of a straight vs toroidal solenoid
  3905. Is the physics concept of tires kinematics or work/energy? Please explain why.?
  3906. Magnetic reluctance
  3907. What exactly is magnetism?
  3908. Relative SPEED Problem
  3909. relationship between wave propagation speed frequency
  3910. Definitions of mass.
  3911. How does circularly polarized light rotate a body?
  3912. LC Circuits
  3913. Acceleration and induction
  3914. diffraction question
  3915. Calculating work done by a bicycle
  3916. Electron free lasers
  3917. Thought Experiment: Portals, Magnets, and Power
  3918. How to calculate fuel to accelerate a vehicle
  3919. Refrigerating a sealed room?
  3920. Need help understanding ensemble average
  3921. Radiating Fields & Static fields
  3922. Photon Annihilation, where does the energy go?
  3923. Refrigerators are like rockets, right?
  3924. Another Simple Heat Loss Question
  3925. How do things expand (due to heat)?
  3926. Thermo conundrum
  3927. El. field in different frames
  3928. Only five collisional invariants, why? and more
  3929. Power consumption in a rotating system
  3930. Narrow EM wave beam - how it propagates
  3931. Simple torque question
  3932. Soap Bubble and surface tension
  3933. Infinite current sheet: current suddenly turned on
  3934. What is the difference between a parameter and a variable?
  3935. Pressure temp relationaship
  3936. Another simple torque question
  3937. Perninant magnets
  3938. Magnetic motors
  3939. Thermo diff-eq problems
  3940. If energy can't be created or destroyed, then where did energy come from?
  3941. Whirling Sprinkler
  3942. Silly collision question; hit by turkey vs. hit by bullet
  3943. simple EM situation
  3944. Thermopower and Stirling engine differences
  3945. Why does a bullet spin?
  3946. Diffraction and refraction
  3947. Constraint Equations: Atwoods Machine
  3948. Newton's Laws
  3949. Stair climbing acceleration
  3950. Electric Dipole / Air Ionization
  3951. Do spherical ovens conserve heat better than others?
  3952. Observation, wavelength and resolution
  3953. Do lightwaves exist? and what exactly is light?
  3954. Unequal mutual inductance
  3955. Vortex speeds f(R)=?
  3956. about Poisson brackets
  3957. Deriving the equations of torque and ang. Momentum from newton's laws
  3958. Hall Effect charge carrier trouble
  3959. Splitting wave equation into x-component and y-component
  3960. surface charges and surface current on conductors carrying steady currents
  3961. Non-dimensionalization of a wave equation with point source
  3962. Covariant green function for wave equation
  3963. Enthalpy vs. Internal Energy (Thermodynamics)
  3964. Young Modulus calculation
  3965. Magnetic Force paradox ?
  3966. Are every partice in mechanical wave in shm?
  3967. Liquid in a vertical pipe open at the lower end and closed at the top
  3968. Counterbalancing the tilt of earth
  3969. Coupling coefficient and mutual inductance
  3970. Vrms vs Vthermal
  3971. Torque tube sizing for stiffness
  3972. Momentum and Energy
  3973. Approximative pull force of a permanet magnet
  3974. How much current can you draw from a resonant loop antenna
  3975. gravitation
  3976. Regarding D'Alembert's Principle
  3977. Torque of rotating tire
  3978. Electric field of an infinitely large positively charged plane sheet
  3979. Magnetic field strength - unit conversions
  3980. Seeking second opinion on heat pumps and engines
  3981. What is the reason for phase change of light on reflection from a denser medium?
  3982. A paradox in deriving the gravitational potential energy function - please resolve it
  3983. Newtons first law and inertial reference systems. (noob)
  3984. Uniqueness of Euler angles
  3985. Constructive interference - energy non-conservation?
  3986. Can a FEL emit a half-cycle of EM wave?
  3987. Accelaration of gravity g(t)=?
  3988. Does lifting an object higher increase its potential energy?
  3989. Can the divergence of a vector field be strictly positive along a flow?
  3990. 2D motion of 2D objects
  3991. calculation of angular acceleration (two rotating frames)
  3992. How do I calculate BTU?
  3993. how do you calculate magnetic field stregth outside a solenoid?
  3994. Heat loss due to Evaporation in a closed environment
  3995. Falling chimney
  3996. Why don't we take drift velocity as the average velocity of electrons?
  3997. Hot air balloon thermodynamics
  3998. Easy Physics Question
  3999. torque and segmented lever arms
  4000. Motion with non-constant mass
  4001. What are the central pillars of classical mechanics?
  4002. Capillary Action
  4003. Proving rotational motion using newton's laws
  4004. Radio waves.
  4005. Induction by Moving Magnet
  4006. Preserving Battery Life
  4007. Ideal thermal efficiency impossible?
  4008. Radiometric quantities
  4009. Determine acceleration of a 2D shape when pushed from any point in its area
  4010. Doubt regarding constants. Elastic Beam Theory.
  4011. Diffusion Length
  4012. Understanding Energy Transferring
  4013. Heat Engine Calculations
  4014. The Nature of Constant EMF
  4015. Gauss' Law for Gravity
  4016. Multiple Rotating Masses in Revolution
  4017. closed loop of classical string
  4018. Force decomposition
  4019. Frequency Specturm and fourier transform
  4020. free end of a string
  4021. closed classical string loop
  4022. Origin of the Maxwell energy-momentum tensor?
  4023. Dielectric surface in the field of an oscillating dipole
  4024. 1D three-body problem (with spherical shell)
  4025. Spinning Top / Dancer
  4026. Lorentz magnetic force
  4027. Why is there no magnetic field in a perfect conductor
  4028. Avogadro's number
  4029. how to study EM wave interactions via internet?
  4030. Momentum and Collision in 3D
  4031. Is the positive terminal of a battery positively charged
  4032. leveraging with opposite forces
  4033. The Physics of Bicycle Riding
  4034. Would a wind turbine on a moving car generate energy efficiently?
  4035. What happens to Newton's 2nd law if there is a changing mass?
  4036. Degree of freedom of two point mass
  4037. Energy losses associated with a gas regulator
  4038. Priciple of Optical Reversibility - How can it be proved?
  4039. Point charge inside solid sphere
  4040. "Blended metal" bullets; much heat after impact? Can anyone tell me?
  4041. Internal and external coupling
  4042. Post collision angular and linear and velocities of a rotating sphere
  4043. Existance of three poles of magnet
  4044. Car Crash Physics
  4045. water level in glass flask...
  4046. establishing linearity in laplace's equation with no closed-form solution
  4047. A saturated force
  4048. What is electron affinity ?
  4049. Coalent bonding
  4050. Metallic bodning
  4051. Van der force
  4052. Change of phase in total internal reflection
  4053. Experimental evidence against Gauss' law
  4054. Additivity of lagrangian and constraints on multiplication by arbitrary const
  4055. Accelerations and rates at a far away point.
  4056. Bullet Deflection Question
  4057. Collision: Final velocities of two particles, calculated from impulse
  4058. Gauss, charge density...
  4059. Why sub-classical physics and quantum physics
  4060. Kinetic Energy to Electricity
  4061. Chrage density
  4062. Collimating a point source formula?
  4063. independence of generalized coordinates in Lagrangian
  4064. Closed form equations approximating the motion of a free undamped pendulum
  4065. magnetostatic field: solution to Poisson's equation and Boundary Conditions
  4066. Maximum voltage on a unipolar capacitor
  4067. Microwave oven+black bodies
  4068. Problems about calculations on scattering sections
  4069. divergence
  4070. Entropy of linear chains
  4071. Conservation of energy
  4072. Expansion of a point-charge potential
  4073. Quick induction coil question...
  4074. What increases at the speaker with the increase of loudless-intensity?
  4075. Temperature and pressure gradient in a gas
  4076. Conceptual question about a lab experiment on Stefan-Boltzmann law-inverse square law
  4077. Electrodynamics
  4078. Conservation of energy during compression?
  4079. Electron flow and mass
  4080. Shape of electromagnetic waves?
  4081. The Altitude hypothesis
  4082. sound power question
  4083. Trouble understanding newtons first law and f=ma
  4084. magnetic field lines
  4085. applicability of Bernoulli's principle to ideal gases
  4086. Angular momentum
  4087. electric double layer near electrode and electric field between electrode
  4088. Work calculations
  4089. Calculate electric field strength from voltage?
  4090. Isothermal expansion/compression
  4091. Question about flow of electrons and electric current
  4092. Ping-pong ball floating on a bowl of water
  4093. Carbon Dioxide Thermodynamic tables
  4094. A learn's puzzle on transformation equation
  4095. Spinning Tops
  4096. What if the gravitational force is ..
  4097. galilean group
  4098. Speed of light in a medium other than vacuum
  4099. 3-body problem
  4100. Reversible Processes
  4101. derivation of maxwell speed distribution
  4102. Bimetallic strip calculation
  4103. Clay Math Navier-Stokes solved, checked also by reddit.com
  4104. 1D Heat equation, numerical solution with ONLY one heat source
  4105. Hollow Spheres & potentials
  4106. Relative intensity of reference beam to object beam in optical holography
  4107. is the trajectory of a ball with friction calculable?
  4108. Artificial gravity meeting zero gravity
  4109. Color model, brightness?
  4110. Capacitors in series
  4111. Plug flow for pipe flow
  4112. Coordinate conjugate to momentum.
  4113. Hydrodynamic entrance length: independent of Re?!
  4114. magnitude and direction of force
  4115. Why is the surface of a conductor equipotential?
  4116. Ionization
  4117. a trivial question about the space of Euclidean
  4118. A demonstration of inductive reactance
  4119. Zero-G reaction forces
  4120. Magnetic energy, equation
  4121. Rotational Motion
  4122. geometric optics and photography
  4123. steady current of orbiting electron
  4124. Propagation velocity of transverse wave on a bar
  4125. Why does particle displacement A increase sound pressure?
  4126. Luminosity
  4127. Newton's laws in variable mass systems
  4128. 2D collision response with friction
  4129. Continuum mechanics
  4130. Two interacting bodies in an external field
  4131. How is a voltage drop across a resistor caused?
  4132. How do we or can we prove ORDER/DISORDER
  4133. D-field -> E-field when the dielectric constant is a function of space
  4134. heaters wired in parallel
  4135. Classical Mechanics
  4136. On Swimming Pool Levels....
  4137. How do I calculate / convert GPM to PSI ?
  4138. Factors Effecting Boil-Off of Liquid
  4139. Why is it that it's the gravitational force that keeps me on the ground?
  4140. Orthogonality of time dependent vector derivatives of constant magnitude
  4141. Black body radiation question
  4142. Rotating Cylinder - Understanding Gas Pressure and Density
  4143. Inertia
  4144. group velocity dispersion
  4145. Biot Savart law question
  4146. brain-stroming discussion questions
  4147. electron dipole radiation
  4148. Do forces always "work" in the hamiltonian mechanics?...
  4149. Furthest distance a light source can be seen
  4150. Scalar and vector potential
  4151. Conduction Problem
  4152. Question about Rutherford atomic model
  4153. The Axial and the Transverse Emf
  4154. Drag in a Dynamo
  4155. Speed of object sliding to a stop w/ air resistance with respect to position
  4156. Effect of air flow on temperature inside box
  4157. Emissivity of body with finite thickness
  4158. One hard theoretical question
  4159. Definition of the Lagrangian finite strain tensor
  4160. Problem with newtons second law
  4161. Mechanical Paradox
  4162. Constant current for series resistance
  4163. Circular motion
  4164. energy storage in spring
  4165. Entropy Question
  4166. Gravitation
  4167. Charge inside a spherical conducting shell
  4168. Archimede force work
  4169. Ohms Law and the real world
  4170. Harmonic oscillator with/without gravity
  4171. Question about manometers
  4172. Photon Attenuation
  4173. Thermodynamics issue with absorption heat pumps
  4174. Snell's law with complex n, interpret complex angle?
  4175. Rotation about the Center of Mass
  4176. Calculating Air Flow Within a Pipe
  4177. Make a Brushless DC Motor this way?
  4178. definition of an engine operating between two temperatures
  4179. landslide physics
  4180. Equation of motion for charge density
  4181. Absolute Frame of Reference
  4182. Phase change during acoustic wave reflection
  4183. Galilean Relativity & Inertial Frames
  4184. Solvation heat pump
  4185. Lagrangian: Inverted telescoping pendulum (robot leg)
  4186. Numerical modelling of electrostatic potential energy of a system
  4187. Question on energy conversion in MHD
  4188. Wi-Fi water penetration?
  4189. Decreasing the ambient
  4190. Magnetic dipole moment of a solenoid with a core
  4191. Wave equation solution
  4192. How to measure the force of a squeeze
  4193. axis of figure (?)
  4194. heavy symmetrical top
  4195. Monopole crystal radio antenna length
  4196. Resonance
  4197. Free expansion and adiabatic process
  4198. Determining Fuel Efficiency
  4199. Slippery finger pushing on a large drum head.
  4200. Force and Acceleration
  4201. Heat is electromagnetic radiation OR heat is __spread by__ electromagnetic radiation?
  4202. Magnectic field and electrical interaction
  4203. Surface tension of water against a gas not being air
  4204. Swing mass overhead - forces involved
  4205. electric flux (Φe) vs electric flux density (D)
  4206. Drag
  4207. The Physics of Le Chatelier's Principle
  4208. Electrostatic potential from the perspective of an electron
  4209. Deriving Lagrange's Equations
  4210. Is there a limit to the amount of energy stored in a superconductor?
  4211. Open air columns
  4212. Simulating motion in 1D with varying jerk?
  4213. accelerating electrons giving off radiation
  4214. Electric cable in a Vertical Tube: Estimate the Conductor Temperature
  4215. Projectile motion WITH air resistance
  4216. Example of Thermal Equilibrium with Variable T?
  4217. Natural-Free Convection between // Vertical Plates
  4218. Projectile Motion: two positive times?
  4219. Permanent / Electromagnet DIY Query
  4220. Circular motion - Force perpendicular to velocity does not change magnitude.
  4221. LCR circuits - phase difference between C and L
  4222. 100% Efficient Transfer of Energy
  4223. Maximal Entrop, Temperature & Energy Transfer
  4224. Different treatment of E and B field in Brewster angle derivation
  4225. Zeh: Basics of Basics of Thermodynamics, yet really confused...
  4226. Magnetic force and energy
  4227. instantaneous velocity doesn't actually exist?
  4228. Delay to transmit pressure in water
  4229. Need to verify some proof involving Green's function.
  4230. Work and Kinetic Energy
  4231. Electromagnetic Induction
  4232. How to calculate potential energy of water in a tank?
  4233. Temperature of Water in a Moving Plane
  4234. General Acceleration/Tension Question
  4235. A puzzle about missing energy
  4236. Compliance of air
  4237. Where Energy is Lost?
  4238. Work, Velocity & Force vectors Help
  4239. Creep in Plastics
  4240. Lorentz Force
  4241. Negative pressure
  4242. Center of mass of an arbitrary anisotropic continuum
  4243. Black body radiation, question arising from a book
  4244. Entropy
  4245. PE problem
  4246. Can detailed balance pricinple(DBP) be derived or is it an axiom?
  4247. poynting vector in wire and capacitor
  4248. Anyone know how to calculate windspeed ?
  4249. Thermodynamics
  4250. Confusing paradox
  4251. Infinite Rocks
  4252. electric dipole moment
  4253. Speed from acceleration
  4254. Ampère's circuital law and finite conductor
  4255. magnetism in 4+1D
  4256. Calculating Magnetic field dimensions
  4257. Pressure/GPM/Diameter Calculations
  4258. Field Infinites when distance is zero
  4259. Holographic principle
  4260. how does a fan cool your skin, exactly?
  4261. How to get high temperatures
  4262. Entropy and a paradox
  4263. Why mass of spring/string assumed negligible?
  4264. Why in field theory Lagrangian is an integral of space-time
  4265. Static, kinetic and rolling friction when rounding a flat curve
  4266. A few questions on Thermodynamics
  4267. Accelerating ions using Van de Graaff help
  4268. question about potential difference.
  4269. Grounding location of a metal object
  4270. Electric/magnetic fields vs energy of a photon
  4271. "Venetian Blind" Locking Mechanism
  4272. Water pressure under shelf
  4273. Ring Magnet
  4274. Forced vortex
  4275. Contradiction/breach 2nd law? Simply with carnot engine + negative temperature
  4276. Electric Potential near a point charge.
  4277. How does light "illuminate" objects? (help me in a debate)
  4278. Mass Spring Damper System
  4279. magnetic field interaction
  4280. How to measure heating power
  4281. What is the significance of the classical electron radius?
  4282. Understanding the Helmholtz free energy, what does 'useful work' really mean?
  4283. why lead can be used for protection ?
  4284. Angular friction with ground
  4285. Why are things NOT scale-invariant?
  4286. Can we interchange four probes terminals?
  4287. Laundau's derivation of the law of inertia
  4288. Is a hovering helicopter doing work?
  4289. Suspension design help
  4290. raindrop
  4291. rigorous statement of virtual work principle??
  4292. Open & Closed/Thermodynamic proofing
  4293. Newtons three laws of motion from a single rule.
  4294. Maximum Surface Area of a Flat Surface
  4295. Why diode is not demon of Maxwell?
  4296. Imaginary Field Lines vs True Iron Filings
  4297. Help with an experiment
  4298. possible simple reason for nuclear confinement and asymptotic freedom
  4299. Charging of a capacitor
  4300. Static build up and magnetism!
  4301. Seesaw physics and center of mass
  4302. Capacitance
  4303. No change in entropy of the system+surroundings in "reversible" process.Really?
  4304. If i build a carnot engine in the real world, is its efficiney smaller than 1-t2/t1?
  4305. Physical meaning of parts of electromagnetic wave
  4306. uniformly accelerating charge and radiation
  4307. Buoyancy: Doubtfull and unclear points in theory
  4308. Magnetic field lines...What do they exactly mean?
  4309. Experiment with bottle
  4310. Iron ball in the desert
  4311. independent solutions of scalar wave equations
  4312. List for Initial Conditions?
  4313. Magnetic Field Structure
  4314. split ring resonator SRR of Metamaterial
  4315. Torque Wrench Tool Calculation
  4316. Reversible Processes?
  4317. About Millikan's experiment
  4318. Electrodynamics related question
  4319. Quick Internal Energy Question
  4320. Translation of inclined bar
  4321. Acceleration due to Gravity - Newton's 2nd?
  4322. S-Curve Equations??
  4323. Resistance of fractals
  4324. Maxwellian energy distribution
  4325. 1:1 and 1:2 resonances
  4326. Reverse Current Photovoltaic Cell
  4327. James (Clerk/Clark)? Maxwell
  4328. Forces on a falling sphere in a liquid
  4329. Positive electricity?
  4330. Solution to Fick's second Law
  4331. When will the entropy of universe(an isolated system) stop increasing?
  4332. What is the specific heat capacity for nonideal gas?
  4333. is this correct
  4334. Fire - AND - Electric fields within matter
  4335. Temperature of a Gas
  4336. Wave interference in a car at speed...
  4337. Easy conceptual mechanics question
  4338. Please help me solve this problem
  4339. high voltage electric field does not stop electric motor
  4340. Ideal gas question
  4341. Can i expand non-ideal gas reversibly isomermally?
  4342. Can someone explain Earnshaws Theory
  4343. Simple Dynamics
  4344. How to compute complex relative permittivity
  4345. What the heck is ionized hydrogen?
  4346. Resistive heating
  4347. Electrostatic, conductors
  4348. Negative pole of magnet deflects electrons?
  4349. Restraining couple w/ vectors
  4350. Virtual Displacement
  4351. Confused about phase difference
  4352. Magnet, wire and Newtons third law
  4353. Penning Trap Question
  4354. Simple example of Action-angle besides HO
  4355. Elastic Collision, Finding Angles Between Particles
  4356. Idea of Rolling, Rotation, and Transition
  4357. Vector potential
  4358. Kater's Pendulum?
  4359. two particles
  4360. Optical Detection of Earth's Coriolis Force?
  4361. Entropy of System vs. State
  4362. acceleration potential
  4363. Helicopters
  4364. Why does the liquid stay in the straw?
  4365. Musings on meter seconds/ Guernsey Reality Question
  4366. Vector nature of mechanics (help)
  4367. What is the 'path difference' in waves
  4368. Body whose temperature is constant but not the same all over. Thermal equilibrium?
  4369. Eigenfrequencies without solving the secular equation?
  4370. Gravitational attraction of a spherically symmetrical mass
  4371. pressure of a gas -- quick question.
  4372. Power
  4373. Landau fm and elasticity
  4374. Projectile Motion with drag
  4375. Fluid mechanics, why does the air flow faster over the wing?
  4376. Atomic polarization
  4377. Milky Way's magnetic field
  4378. Applied heat and thermodynamics.
  4379. Who used projectile motion to find a muzzle velocity?
  4380. Internal Shear Stress Question
  4381. hospital bed pulley hoist
  4382. velocity correlation functions
  4383. random thought about force and motion
  4384. artillery projectiles simulation
  4385. How come? Boltzman stat.
  4386. Do things roll on frictionless surfaces?
  4387. circular motion: static or dynamic friction?
  4388. Does recoil affect speed of trajectory?
  4389. What do dot and cross product mean in electromagnetics?
  4390. Fourier optics for diffraction pattern
  4391. Thermal energy conversion
  4392. Biomechanics bench press
  4393. diagonalize a non-hermitian matrix
  4394. Question about polarization
  4395. free fall with air resistance
  4396. Quick question about Oscillators
  4397. Modelling of Car Impact
  4398. How do you calculate gravitational acceleration with a pendulum?
  4399. Entropy and order
  4400. Boiling point at a certain pressure!
  4401. Converting g/cm3 to Kg/ft3
  4402. Voltage drop in an infinite wire
  4403. Superposition and Electrostatic Force
  4404. Maxwell stress tensor in electrodynamics
  4405. Hypothetical spherical ball freezing.
  4406. Impulse of electromagnetic field
  4407. Calculate force in a pendulum
  4408. Partial Pressure
  4409. Question about Force (I think)
  4410. Temperature & energy forms
  4411. A few questions about steam, water vapor, and humidity
  4412. Newton's Law of restitution
  4413. Kinetic energy types
  4414. A few questions about the electromagnetic spectrum
  4415. Help identifying 8 formulas
  4416. Question pertaining to magnets
  4417. Hamilton's variational principle
  4418. What does this result mean?
  4419. matter cannot be created nor destroyed
  4420. does evolution violate the second law of thermodynamics?
  4421. Question about conductivity/reflexion
  4422. A general curve for the coffee cup problem.
  4423. instantaneous force propagation in classical mechanics
  4424. Calculation of an Electron Beam path when subjected to magnetic and electric fields
  4425. Specific heats relating to ideal gas properties?
  4426. Is the potential inside a charged hollow conductor zero?
  4427. Need help on some motions of pulleys
  4428. What does it mean when a circuit has two voltages?
  4429. Helmholtz Coils and Iron Cores
  4430. Proof that the Force of Friction is μmg
  4431. combining 1D advective diffusive transport equation in porous media for two solutes
  4432. What is it that makes light rebound off a surface?
  4433. How come light only reflects off surfaces and not internal planes?
  4434. What is the actual cause of refraction?
  4435. Cause of the Soret Effect/Thermophoresis?
  4436. Calculating the tension required to tune a guitar G string to a desired frequency
  4437. Thermal conductivity with plating
  4438. two body motion
  4439. Types of Heat
  4440. high pressure vs speed of sound?
  4441. Standing Waves in a microwave
  4442. Lever Balance Displacement Calculation
  4443. Problem in inertial reference frame
  4444. Constants of Motion in the Kuramoto Model
  4445. Computing partition function of Ising model on finite graph
  4446. Opposing forces
  4447. Why repulsive force between atomic seperation does not follow inverse square law?
  4448. mechanics
  4449. Absence of m.field around an AC current carrying wire
  4450. Getting down of battery in ideal situation
  4451. Wave equation for water waves?
  4452. Boussinesq Elasticity Problem Derivation
  4453. Formula for trajectory also applicable to decelerating bodies?
  4454. Acceleration in space question
  4455. Car rolling in a crash
  4456. poincare bendixon theorem- degenerate limit cycle
  4457. Oersted: how can you be sure it is not an electric field?
  4458. HP or PWOER Loss between 2 different sized Pulleys?
  4459. Negative Force
  4460. E&M : Simulate/Calculate B field due to J
  4461. Three Body Gravity Problem
  4462. Understanding of Maxwell's Stress Tensor
  4463. Wedge constant :- Newtons laws of motion
  4464. Tensor of electromagnetic field
  4465. Is this system symetric enough? - classical dynamics
  4466. Can a heavier car reach higher top speed rolling down a steep?
  4467. euler equations in rotations
  4468. Inertia
  4469. Electric field inside a hollow conductive sphere
  4470. Air conditioning research project
  4471. Resonant frequency of an annular ring? Hookes Law?
  4472. A question on work.
  4473. Two precession rates for a spinning top (forced precession)
  4474. Would an hourglass on a rocket going up empty faster than one on the ground?
  4475. A simple problem in mechanics
  4476. Degree of Freedom
  4477. Prism
  4478. equation of motion for a chain sliding down an edge
  4479. Classical Thermodynamics for Statistical Mechanics
  4480. Help with a thermo derivation?
  4481. Why does deltadirac(r-(r_0 + d)) = d*grad*deltadirac(r-r_0+higher term of d)?
  4482. Vacuum Cannon
  4483. Amplification for Action Potentials
  4484. Radiation frame variant?
  4485. Crazy matlab graph!!!
  4486. Orbital period
  4487. What exactly is the Ultraviolet Catastrophe?
  4488. electro magnets
  4489. A couple of questions about magnetism
  4490. RL Circuit
  4491. Rotational stability of an m&m
  4492. Confused by velocity in spherical coordinates
  4493. Coherent Imaging
  4494. Tippe Top
  4495. When two Lasers meet what happens
  4496. Steam jet ejector calculations
  4497. Accleration of charged particle
  4498. Torque and Accerleration
  4499. Spring and hooke's law
  4500. Rays
  4501. what is CFD where can i get it how can i learn it
  4502. Contradicting Effective Potentials for Kepler's Problem
  4503. pendulum displacement
  4504. Forces resulting from rotation of a spacecraft.
  4505. electrical potential energy
  4506. Poynting vector and luminosity
  4507. Variation of eikonal (phase) set to zero
  4508. Question about two torques on rigid body.
  4509. Can you verify if there is a error in the notes or i am just stupid.
  4510. Force Required to move heavy pendulum
  4511. Plumb bob question
  4512. Calculate distribution of mass
  4513. Building a Pulley System
  4514. Zero work when carrying object?
  4515. How do you calculate heat flux through a piece of metal??
  4516. Poynting vector in static electromagnetic field
  4517. Irradiance and electric field strength
  4518. A question about the relationship between power and torque
  4519. Increasing the resolving power of a telescope
  4520. dependence of salinity and refractive index
  4521. G Shock from a drop
  4522. pencil and broom beam types
  4523. Torque, Internal forces & external forces.
  4524. momentum of the wall
  4525. Why must stream function be 2d?
  4526. Mass-Spring free body diagram
  4527. Magnetic force does not realize work
  4528. factor of safety in a shaft
  4529. Compressing air
  4530. Cartesian equation for the Magnetic field resulting from a single current loop?
  4531. Does normal contact force exert torque?
  4532. sinosoidal curves representing waves
  4533. Bose-Einstein Condensate
  4534. Pressure evolution in an engine intake manifold (thermodynamics)
  4535. Does the earth translate around the sun?
  4536. Complete solution to Parabolic Mirror problem
  4537. Rotational Equilibrium.. Torque about any axis.
  4538. Buoyant Force and Massive G force protection?
  4539. Right Hand Rule for Magnetic Fields
  4540. Trajectory of a projectile WITH air resistance?
  4541. How to prove that friction is limiting
  4542. Energy losses in a pendulum
  4543. Lattice-gas Monte Carlo Simulation
  4544. Microphysical quantities
  4545. Vehicle Motor simulation
  4546. Buoyancy question
  4547. Electrical resistance questions
  4548. Landau levels & Zeeman effect
  4549. Newtons second law perspective problems
  4550. Spectral filtering of RGB components -
  4551. slipping rod on moving truck.
  4552. Dry Friction
  4553. efficiency of heat engines
  4554. Relation between Polarization and electric field for instantaneous response
  4555. Thermodynamics regarding ideal gases and the absolute zero.
  4556. Speed of work?
  4557. Simulation of the sun's effect on temperature change on the ground surface
  4558. Direction of friction when rolling without slipping
  4559. Force from a pressure hose
  4560. Stream function
  4561. Electromagnetic wave peaks don't "travel" through space?
  4562. Exponent of ground-state entropy of Potts model
  4563. Centripetal Acceleration/Artificial Gravity
  4564. Working of a Constant Volume Gas Thermometer
  4565. Rattleback
  4566. Atomic structure of gases?
  4567. Rocket science, thrusters and spin
  4568. impulsive tension
  4569. Statistical behaviour of ideal particles in a closed box
  4570. Force of gravity
  4571. Energy losses in a vibrating string
  4572. force in relation to angular momentum
  4573. MAXWELL-BOLTZMANN STATISTICS momentum space
  4574. Satellites and Doppler shift
  4575. modified Faraday disc
  4576. Center of Mass of Truck with weights added
  4577. Forced oscillations vs Natural frequency
  4578. Calculus in Adiabtic Expansion
  4579. Atmosphere's habitable zone
  4580. Fluid Dynamics-D'Alembert's paradox
  4581. Rear view mirrors
  4582. Plotting Phase Diagrams (Temperature vs Composition)
  4583. Moving water electrostatic generator
  4584. The Physics of Christmas Decorations
  4585. mean squared displacement
  4586. How can we inpretate for falling many sphere?
  4587. Parabolic Motion
  4588. Why is glass transparent? More details below.
  4589. Finding Solution to Laplace Equation
  4590. A question on The Nature of Gravity in relation to close proximity to earth
  4591. Entropy of Irreversible Process for 2nd Law Proof
  4592. Centripetal force ( Swinging a bucket in a vertical motion )
  4593. When do you use R or r for Gauss' Law
  4594. Bivectors, tensors
  4595. Conceptual problem with definition of work
  4596. Electrostatics and reference frame
  4597. Conceptual Problem with Thrust
  4598. How hydraulic motor works?
  4599. Levi Civita
  4600. Newton's 2nd Law conceptual problem
  4601. Photons emission by antenna
  4602. Wind Damage
  4603. Lens
  4604. the tension in the horizontal bar connecting the two halves of the ladder
  4605. Why We Rattle Things That Are Stuck?
  4606. Finding potential using poisson's equation, not a homework problem.
  4607. Flywheel Momentum Exchange Through Gear
  4608. Magnetohydrodynamics
  4609. How can entropy explain formation of soap bubbles
  4610. Antenna resistance
  4611. Rotational energy of diatomic molecule
  4612. Lagrangian
  4613. State Functions and Order of Diff and Enthalpy
  4614. m.k.s. units.
  4615. Phasor representation in Time Harmonic fields.
  4616. simple magnetic forces and angular momentum conservation
  4617. Understanding Electric and Magnetic Fields
  4618. Torque
  4619. Breaking a glass using an electromagnetic wave
  4620. PV Graph Rev vs. Irrev
  4621. Reversible vs. pseudostatic processes
  4622. State Function Conditions in Isothermal, adiabatic
  4623. Isobaric Process finding G using (deltaG-deltaGo)
  4624. Simulation package for multiple particle system with custom motion equations
  4625. Work While Temperature Change and Heat while pressure and/or temperature change
  4626. Clock and entropy
  4627. Transient Response of Straw Filling with Water
  4628. How to calculate the time and distance needed to heat an object
  4629. Definition of thermal equilibrium?
  4630. [pointless argument] Why are teleporters impossible
  4631. Torroidal Magnetic field
  4632. friction - why not conservative force?
  4633. Ampere's and Biot Savart Law for finite straight conductors
  4634. Lagrangian and Action question?
  4635. Question about magnetostatic boundary condition.
  4636. Discrepancy in the spring constant using force vs energy
  4637. Electrical permittivity
  4638. Make a light trap using an object with anomalous dispersion properties and a cavity
  4639. Effect of motion of a charge in two differenct refrence fremes
  4640. Intensities from the Michelson Beamsplitter
  4641. The different Fourier Transforms
  4642. Help for buying a book
  4643. Determining static equilibrium this way?
  4644. Angular momentum: disk with point mass on the edge
  4645. Rolling ,Friction and torque
  4646. Effort vs Work
  4647. qn on solenoids
  4648. Feynman Turnscrew Example Question
  4649. Transformer and conservation of power
  4650. how does polarization take place by reflection?
  4651. Alignment of micro dipoles in magnetic material in external magnetic field.
  4652. binomial expansion in dipole
  4653. question on blackbody radiance
  4654. Does a heavier gas lose heat faster than a lighter gas
  4655. Newton's first law
  4656. [Optics]Sense of LED Spectrophotometer
  4657. Confused reading Max Born
  4658. Maximum entropy and minimum energy principles.
  4659. Dillute solution chemical potential
  4660. Green's function
  4661. Help with E/M Potential using Laplace Solution...
  4662. Potential Difference
  4663. Axial loading and the change of wall thickness in a cylinder
  4664. Reversible/irreversible heat exchanges
  4665. Treating fluids classically
  4666. Trying to understand quasi-static processes
  4667. Wheel torque estimate
  4668. Kinetic theory of gases
  4669. Classical Torque
  4670. Dielectric modulation
  4671. Where the energy to move electroscope leaves comes from?
  4672. magnet powered torches
  4673. Does a magnetic field really exist?
  4674. Adiabatic and isotermal process
  4675. electric power for lift and torque
  4676. hot water / cold steam interaction
  4677. Average Velocity
  4678. Simple three-body-problem?
  4679. Counting the number of configurations (Entropy)
  4680. Electron flow in a wire
  4681. distribution at equilibrium
  4682. Pre-parachute air friction equal to post-parachute?
  4683. Calculating speed of boat by sail alone
  4684. Ball starting at rest down a frictionless incline
  4685. Work done by a falling body
  4686. Possibly misteaching Circuits
  4687. magnet's attraction without energy considerations
  4688. Air temperature inside the car bonnet?
  4689. radio communicattion in lower wavelength
  4690. Energy in vibrations?
  4691. Max Power transfer Mechanically?
  4692. deriving lorentz transformations from maxwells equations or em field tensor?
  4693. Principle of the least action
  4694. Gauss' Law
  4695. Quick question about differences of energy output for different reactions
  4696. Significance of D'alembert's principle
  4697. Compass and Magnetic Susceptibility
  4698. Balmer, Lyman,Paschen Series
  4699. Rotating mass in vehicle drivetrain ?
  4700. Floating electrostatic shield
  4701. The front of an electromagnetic wave (light propagation)
  4702. retarded potentials and entropy
  4703. Combining two thermal conductivity (k) values
  4704. Thermal averages
  4705. charge transfer within a dielectric
  4706. Magnetic flux with non-uniform magnetic field
  4707. semiclassical Atom-field interaction
  4708. Friction and cars (or any traveling thing)
  4709. Magnetic sphere and induced current
  4710. Principle of virtual work
  4711. The Bee and the Train!
  4712. Measuring Electric Field of Something
  4713. Can a solenoid emit/receive electromagnetic radiation?
  4714. Vacums
  4715. Water isotherm
  4716. Why div B = 0 but div H not necessary 0?
  4717. Deriving the dielectric constant of water
  4718. Faraday rotation - why does the perpendicular B component not contribute?
  4719. Why does the ideal gas state equation fail at high pressures for real gases?
  4720. Hertz vector
  4721. Is this the way to calculate the bulk modulus using V. d. Waals-equation?
  4722. Vacuum Pumps in Series
  4723. why could we see a laser hologram?
  4724. Gibbs Paradox
  4725. Tensor of Inertia
  4726. If something emits visible light...
  4727. Why can we see the light from a source from afar, but...
  4728. A basic [leverage?] question
  4729. difference between Multipole expansion and vector spherical wave expansion
  4730. Questions about work and heat
  4731. A question about mechanics and generalized coordinates.
  4732. plz check math in code for em-force on moving particle due to finite straight wire
  4733. Toricelli's principle and fluid flow
  4734. conceptual question about a rotating ring
  4735. radiation vs. conduction in thermal equilibrium
  4736. You can tell what the highest frequency of radiation an object will emit...
  4737. Question about waves, maybe diffraction related
  4738. Middle of Gravity?
  4739. Electric or magnetic field at point P in presence of dielectric/magnetic material.
  4740. Having trouble with Pulleys and FBD's(not homework)
  4741. need help in torque calculation
  4742. Equivalence between bound electric currents & bound magnetic charge in magnetization
  4743. bead on a rotating vertical ring
  4744. Potential and Kinetic Energy
  4745. Classical mechanics - Conservative system
  4746. Tips & Recommendations for Solving Laplace Equation Potentials.
  4747. basic gyroscope question
  4748. How does life not violate conservation of entropy?
  4749. Principal moments of inertia
  4750. Rigid body rotation about a moving axis
  4751. Flow through pipes and throttling valves.....NEED HELP!
  4752. Spring
  4753. cable length dynamics by adding twists to cable
  4754. Surface Temperature to Watts?
  4755. Whisper Dish
  4756. Textbook Error in Kleppner n' Kolenkow?
  4757. The concept of steady state
  4758. strange maxwell boltzmann statistics, what is it actually?
  4759. What is the density of state exactly?(STATISTICAL MECHANICS)
  4760. N.E.I and T.N.E.I
  4761. I want to bend a beam.
  4762. Electric Flux Density
  4763. What is the magnetic boundary conditions between air and copper?
  4764. Magnetic Field Lines Formula (3D)
  4765. Luminance of a lambertian sphere (formula)
  4766. Angular momentum relations
  4767. Kirchhoff across dielectric
  4768. B field lines of an infinte solenoid?
  4769. Bat Speed vs Angular Velocity
  4770. Work in a Force Field
  4771. What is the limit of Volts possible?
  4772. Heat Capacity of Air and Energy needed
  4773. Is there an interactive physics training software?
  4774. Energy released in a gunshot explosion
  4775. Which force is called weight?
  4776. what is the force that moves electrons?
  4777. Question about isothermal work why heat is not affected
  4778. Visibility range
  4779. Johnson's Equation in Buckling
  4780. Gauge invariance of Euler-Lagrange equations
  4781. Where energy is going?
  4782. Capacitance matrix and integral equation method
  4783. Gas, pressure, physics, what??
  4784. a classical mechanics detail
  4785. Dependance of saturated vapour preassure of external preassure
  4786. Intensity in a point from two slits
  4787. Returning ball (kinematics)
  4788. Questions on waves
  4789. Energy proportional to Amplitude squared?
  4790. Physics with Mathematica
  4791. question about electromagnetic metamaterials
  4792. Fundamental doubt on Acceleration.
  4793. Flat vs inflated bike tire - friction
  4794. Friction between two stacked blocks
  4795. Thermoelectrics vs. pyroelectrics
  4796. Trouble Understanding Newton's Third Law
  4797. Relation between torque and speed
  4798. Newton's Law Of Gravitation
  4799. where coil store energy??
  4800. Calculating Deflagratio Pressure in a Closed Vessel
  4801. Magnetic Fields
  4802. Weighing Scale and Gravity
  4803. Feynman Lectures and the Zeroth Law of Thermodynamics
  4804. Specific Volume of Boiling Liquid
  4805. do black holes have entropy?
  4806. **!!xxx Trajectory in a gravitational field
  4807. Feynman, delayed action-at-a-distance, and the lamb shift
  4808. charges without fields, fields without charges
  4809. Using Green's functions in electrostatics
  4810. In search of a book
  4811. Reflections in Transmission lines
  4812. How is ice a black body/almost a back body?
  4813. small oscillation
  4814. Heat = movement?
  4815. Pressure in liquids
  4816. Conservation of Momentum and Energy
  4817. How does light reflect off a moving angled mirror?
  4818. Constant mass in a vacuum
  4819. Solvay Confrence 2011?
  4820. Wave Equation Derivation
  4821. Internal Energy!
  4822. accelartion of gas into a low pressure chamber from a large source
  4823. Equation of Motion
  4824. Invariants of a characteristic polynomial
  4825. quickly cooling substances....
  4826. What is the difference between "Bias" voltage and "Gate" voltage?
  4827. Fluid Mechanics
  4828. Trying to understand a constant in the phase shift (or difference?) of 2 waves
  4829. work and energy?
  4830. [Electrostatics]Questions on Image problems involving a charge and linear dielectric
  4831. a pressurized can of sprayPaint
  4832. Weightlessness
  4833. calculate acoustic pressure from velocity potential
  4834. Electromagnet with and without airgap.
  4835. Energy-Standing and Travelling waves
  4836. Heat exchanger effectiveness
  4837. Dipole Moment of Two Electrons
  4838. Gravity Qustion
  4839. Double Pendulum with Charge at One End, Radiating
  4840. gauss law contradiction
  4841. Measuring the thickness of a thin film of bismuth for Hall Effect experiment.
  4842. Potential Energy of an Electric Dipole
  4843. Thermodynamics - heat
  4844. Huygens' principle and the absence of back propagation
  4845. Clear explanation of Doppler effect assimmetry
  4846. Permanent magnet on the surface of a hollow sphere
  4847. Question on a conducting ball in the middle of a constant electric field.
  4848. E-field in a Conductor
  4849. Internal energy!
  4850. Conceptual quest on standing wave
  4851. Conservation of mechanical energy and external forces. A bit confused
  4852. High Pressure Valve Opening - Collision Mechanics
  4853. Surface Tension Experiment
  4854. fluid mechanics
  4855. electric analog of a heat pump
  4856. Pendulum Changing Direction
  4857. EM stress-energy tensor
  4858. Is MIT Prof. Lewin wrong about Kirchhoff's law?
  4859. Cons. Angular Momentum & Reference Frames
  4860. Derivation of lift equation
  4861. pressures in front and behind LP fan on jet engine
  4862. Principal axes of the moment of inertia
  4863. vectors
  4864. Confused by radial vs. centripetal acceleration
  4865. Force applying
  4866. Lever with two fulcrums
  4867. Cannon recoil WITHOUT projectile?
  4868. Physics of Snowboarding
  4869. Swinging a ruler around a pen
  4870. Wave on a string, something like E and B?
  4871. Resultant Force Help
  4872. Partial pressure and liquid water
  4873. Spring Properties Underwater?
  4874. USES of a double pendulum?
  4875. How do you convert Heat into stored Energy/Electricity?
  4876. Questions about the Electromagnetic Spectrum
  4877. Derivation of Boltzmann Equation
  4878. Angular Acceleration Differential
  4879. Frozen Beer
  4880. Why do two wires with currents in the same direction attract?
  4881. Question about interference/slits/lasers
  4882. Law of conservation - electric charge, brain death...
  4883. vector invariancy
  4884. Force between current carrying conductors
  4885. Boltzmann-Charge transport for Traveling-wave
  4886. Why does the spinning book have an unstable axis?
  4887. Steel balls rolling down an incline
  4888. Formula for calculating current and or voltage in a coil
  4889. potential contradiction
  4890. Boltzmann collision term irreversibility
  4891. Air temperature & water freezing
  4892. kinetic theory - Maxwell-Boltzmann Distribution
  4893. Heat Transfer and Determining the Proper Gap
  4894. Kelvin-Planck Statement
  4895. Multiple Spring Compression
  4896. Behaviour of spinning tops
  4897. looking for Lagrangian Systems with Higher Order Time Derivatives
  4898. Billiard Balls with "English"
  4899. Is this the correct way to find power?
  4900. Strange question, but is "time" and actual "thing"?
  4901. Potential energy greater total energy in the system?
  4902. Deformable Systems in Physics
  4903. di/dt for Growth and Decay in LR Circuit
  4904. For a free falling object v=9.8 m/sec. which of the dist traveled per sec is correct
  4905. Pumping fluid against a centrifugal force
  4906. Weird phisics of smoke rings
  4907. How do you derive this formula?
  4908. FM and AM broadcast
  4909. Leaking tank-wagon (Very Hard Problem)
  4910. Can anyone please tell me a book or any paper where I can find this
  4911. Eddy current brakes
  4912. Mechanics help needed
  4913. cavity magnetrons
  4914. Kinetic energy and tensors
  4915. Voltage drop in a series circuit
  4916. 6 equations motion
  4917. Two-mass spring system
  4918. quick question about radiation pressure?
  4919. formula for acceleration between to object.
  4920. Doubt in Fourier's Law of Heat conduction..
  4921. Partition function in polymers and entropic forces
  4922. Velocity of heat flow.
  4923. Light absorption and reflection
  4924. Upward motion of electrical arc
  4925. Internal energy of ideal gas?
  4926. Attenuation of EM waves
  4927. Density, Point Particles, and Poisson's equation
  4928. The "Ground Effect", "Pressure Waves" and surfing pelicans
  4929. A question about the relationship between MPG and engine TORQUE
  4930. amplitude of a radio wave
  4931. constant speed rolling motion
  4932. Distance traveled by wheel with varying diameter and weight
  4933. Find Inductance and Capacitance
  4934. Capacitor + Magnetic field
  4935. what is a pseudo vector (in the context of torque) ?
  4936. Definition of electrostatic potential difference
  4937. Ep of an bow
  4938. Something I don't understand with 2 moving masses
  4939. Spinning Bycle wheel on string (precession)
  4940. Coriolis Effect
  4941. 2 Phase Equilibria Confusion!?
  4942. Assumption about rotation
  4943. Superconductivity
  4944. Aphex Twin Equation
  4945. Thermodynamics of dehydrogenation
  4946. Question on energy in magnetic field.
  4947. Thermodynamic Irreversible Reactions
  4948. flux / power query
  4949. Carnot Refrigerator at Phase Boundry
  4950. Electric field paradox?
  4951. What is inductance?
  4952. Example of lagrangian that can not be transformed into hamiltonian using Legendre
  4953. Electric field on infinite plates
  4954. Are Fictituous Forces Conservative?
  4955. Harmonic Oscillator
  4956. Pushing a pipe over
  4957. Work done by a non-reversible heat engine
  4958. Something wrong with the equations of work...
  4959. Power Expantion in Lagrangian Derivation
  4960. Complex index of refraction
  4961. Force and Pressure puzzle
  4962. Question about squaring velocity...
  4963. Hidden Momentum
  4964. Bernoulli"s Principal would a fan matter?
  4965. Pascal's paradox
  4966. Speed of waves in different media.
  4967. The velocity of two objects as they meet
  4968. Max. sound wave frequency (in solids)?
  4969. What is the electrostatic field?
  4970. Question about inertia
  4971. An object moves towards another object, which moves in straight line
  4972. momentum problem - answer doesn't work!!!
  4973. Maxwell stress tensor coordinate system
  4974. Single slit, optics, special case
  4975. Conceptual Understanding - simple
  4976. induced emf
  4977. What is state postulate?
  4978. Where is Patm=0kpa located?
  4979. Calculus relationship between current, resistance, and voltage
  4980. Air pressure/temperature relationship
  4981. Watts amps and volts
  4982. Polarazation by an external electric field
  4983. Principle of Least Action Derivation
  4984. Frequency and String Tension (backwards)
  4985. Cathode Ray Tube
  4986. Geothermal power harnessing improvement
  4987. Perfectly Insulated Thermos
  4988. Magnetic field of ferromagnetic material
  4989. MHD equations - confused about derivation
  4990. Uniform radial electric field?
  4991. Does Edge Tone Work with a Large Air Source?
  4992. Electrostatic field inside a conducting shell
  4993. Curl of Magnetic Induction
  4994. Thermo / Materials Question
  4995. Electric displacement field across dielectrics
  4996. Current induced in a coil from inside
  4997. The divergence of 1/r^2 fields
  4998. Energy made available by Change in CoG
  4999. Inductive kick back voltage
  5000. Frictional force calculation