Physics Help and Math Help - Physics Forums > Physics > General Physics

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1. Entropy
2. Particle Trapping
3. Tea in Milk Question
4. Wind Load, Mass, & Impact Force
5. The Source of All Light
6. Fresnel propagation using matlab
7. four point probe help
8. Critics Fear Collider Could Doom Earth
9. Complex potential / conformal mapping
10. Sound to infrared conversion
11. I come to these forums for one thing and one thing only.
12. Area efficiency of Miles Per Gallon
13. Why is food cooked differently by microwaves than by an infra-red grill?
14. Surprising lightning observation
15. rocket propulsion and "vortexes"
16. gasoline vs ethanol
17. absorption and reflectance spectrums
18. Inelastic Equations
19. Light
20. how to detect the TE mode and TM mode?
21. Difference between incompressible viscous and incompressible inviscid flow.
22. Behavior of Systems
23. Ball in an Accelerating Bus moves backwards
24. Making Light
25. symmetry in floating objects
26. sound propagating in air inside a tube
27. Fermat's principle
28. car accident
29. Power wind calculation and blade area
30. How can I determine the IR frequency?
31. potential energy
32. kinetic energy
33. Electric eel
34. why do you stumble forward when a bus starts moving?
35. Understanding how energy disappears
36. why do we derive analytic solutions
37. Grade 10 physics reviewer questions (QUICK)
38. Parking uphill without a curb - question
39. Q Factor, Volts times Q
40. transformers and tesla coils
41. Effect of Atmospheric pressure on Butane /propane
42. Biodiesel
43. Water freezing?
44. Example Help?
45. Projectile Motion Software
46. Friction coefficient ramp
47. Experimental Methods
48. Questions about Phase Space
49. Is it possible to solve this?
50. projectile motion with air resistance
51. Vacuum Sphere
52. Friction
53. Natural Units
54. Speed of light and air resistance
55. audio feedback
56. airplane thrust
57. Entropy
58. Can Someone Explain This To Me?
59. Vc - what is it?
60. EM waves - wave equation derivation
61. Excited lifetime
62. Viktor Schauberger
63. Practical demonstration of radiation
64. How does the air polarise the light?
65. density
66. Basic Structure & Behavior of The Atom... Oh, and hi!
67. Tangential Acceleration
68. Analogy between E and B fields
69. Why does gas emit light, when light is shone on it?
70. How does rubbing a magnet over iron, magnetise it?
71. How can you prove the earth is round?
72. compining lazer beam?
73. Complex stuf Physical Application
74. how can an antenna capture + recieve EM Waves ?
75. Lightning Strike and electrical power surge
76. Aparent contradiction - pressure and velocity
77. Potential and electron distribution in circuits and cells
78. 'Keep It Cool Box' Problem.
79. differential equations in physics
80. Try telling me this
81. Dimension of momentum per metre
82. Voltage to Pounds calculation
83. TE TM fields calculation
84. Magnetic dipole in an external magnetic field
85. I want to Ionize Hydrogen in a Balloon
86. Freebody/Force Diagrams
87. refraction
88. Irradiance contrast , stefan boltzmann
89. help with question
90. Optics Problem
91. Newtons Law on Gravitational Force
92. Calculating componants of a falling object.
93. newton's cooling law
94. Accumulation of Mass
95. Gravitational Force!!!
96. what is magnitude?
97. taking the vector E out of the Electric potential equation
98. Energy
99. Hydrostatics
100. Two coherent beams crossing each other's path; what will be the effect?
101. Friction on the ramp vs in-water?
102. Amazing video
103. Burning Calories, Burning Wood, Grams to Cals?!
104. pound force to kg?
105. deceleration rate
106. if the earth is one big magnet, why there is not current induced in our selfs?
107. colliding a box with the floor
108. Monte Carlo and Inverse Monte Carlo - Good Sources for Self Study?
109. Torque and Bending
110. The force of a bullet
111. Question about Huygen's principle
112. Crumple Zones on Cars
113. Lifting power of Compressed Air
114. One physics article
115. How does a glider glide ?
116. Any good guides/tutorials for laser use?
117. Navier Stokes with chemical reaction
118. Centre Of Gravity.
119. 4 States of matter
120. electron
121. Tektronix 2246 CRT
122. Flailing arms
123. chemical energy in motion
124. Microphone in vaccuum
125. Heat transfer
126. New to physics and The Forum
127. Magnets and Electricity
128. SI Prefixes
129. Sound in a box, in space.
130. speed of sound versus frequency
131. Can someone explain this? (water)
132. vehicle dynamics programming
133. Optical problem that eludes me..
134. Hypothetical questions
135. Carbon footprint! Turn your lights off! - Does it really make a difference?
136. Transfer and Conversion of pressure to Energy (Kinetic)
137. Cern
138. Magnetic poles flipping and the effect on animals
139. Wave Refraction
140. Physics in ... (Need HELP)
141. velocity proportional to wavelength?
142. A little help...
143. Photons
144. Brain Power
145. Its elements can separately absorb the electric and magnetic components...?
146. Entropy decrease
147. Larmor Frequency of 57Fe the earth's ambient magnetic field
148. Geocentrism
149. Questions about electromagnetic forces.
150. Heat generated by friction
151. Fly Wheel on a unimaginable scale!
152. Mechanics of materials
153. Proton question
154. Elastic PE, gravity and SHM
155. scanning laser interferometry
156. ideal and real gases...
157. Electric field of powerline
158. Temperature: Absolute infinity
159. General Electric Field Question
160. Missile turning toward target
161. Hmmm...
162. concave mirrors mystery
163. Simple question about Motion graphs/trajectory
164. Simple question about magnetism
165. Singing Glasses: Tuning to a Certain Frequency
166. Normal Force Inclined plane
167. ions in water - what does ppM actually mean?
168. Tone Bar Question
169. Explain Why Wind Power Works But Permanent Magnet Power Doesn't
170. Are collisions relative?
171. Force on spring loaded valve?
172. question...based on real experience!!!
173. Sci-fi writer needs help with unusual problem
174. High School Cyclotron
175. Redshift
176. Question on Magnets
177. The nature of time
178. IR Spectroscopy
179. Magnets
180. Thermos question
181. Why is the rest mass of photons 0?
182. Water question?
183. Question about sound waves...
184. sound waves
185. Lawrence Berkeley Pocket Book?
186. The Multiple Launch Rocket System and Rocket Noises
187. PV=nRT for solids??
188. Detecting the existence of a sound that has been lost in thermal noise
189. Modulate Visible Light
190. large leyden jar help?
191. Sound on other planets
192. The laws of Coulomb versus Ampere and the electromagnetic Machian "paradox"
193. The human leg
194. Water Wave
195. Raman Microscopy
196. Gravitation attraction proportioned
197. "Friction's a Drag" t-shirt design
198. Can a photon last forever?
199. Electric Arc
200. Van der graaf generator and tesla coil
201. Trebuchet Projectile Physics - Height Formula
202. Weight of Earth's atmosphere?
203. Thermodynamics and the Weather
204. Vacuum to replace helium
205. Why does an airplane fly?
206. Can a pilot hear engine > mach 1????
207. Energy conservation ?
208. Optics Device
209. Physics Question
210. Unified theory (Are we close?)
211. Momentum is always conserved
212. Temperature: Does it make sense to say something is "twice as cold". (or hot)???
213. Amperian loop question
214. escape velocity
215. Ampere's law vs. Biot-Savart law
216. A question about physics.
217. Why light from sun takes 8 minutes ?
218. Want my robocar to turn
219. Sound intensity
220. Is magnetism more concentrated at the more pointed pole?
221. Why does the Stone not pull the Horse
222. teleporting
223. Cricket Question
224. storing light
225. Chinese aurora before Quake
226. heat capacity hypothetical
227. Burning Water
228. Coulomb's Law - Could a mass term be missing?
229. if an ice skater is spinning on a frictionless surface...
230. When is a photon a photon?
231. Nikola Tesla and Stan Meyers
232. matter == condensed energy
233. Reversal of a black hole ?
234. Car powered by can of tomato soup.
235. Earths magnetic field is changing...
236. Work With Regards to Velocity
237. voltage breakdown of distilled water
238. data analysis
239. Webassign HW Solutions PHY 1 & 2
240. I need to create a demonstration..
241. Question on Earth's magnetic field
242. Is a flame hotter on the outside?
243. Easy conceptual question...
244. maths in gravitation law equation?
245. Negative Energy/Negative Matter
246. Magnetic Induction at the atomic level.
247. Question about physics of light / light travel
248. A Simple Physics Question?
249. Lenz's Law and counter torque in relation to electrostatic induction
250. Question regarding optical callibration
251. Electric Currents and Magnetic Fields
252. Water Calculation
253. Importing MATLAB Plots into MATHCAD
254. Question on de Broglie waves
255. matter/antimatter annihilation question
256. electronic version for Berkeley Physics course Vol. II ?
257. Archimedes principle and relativity
258. Apollo reentry
259. Liquid Nitrogen
260. What causes drag
261. Why do we say photons travel ?
262. Aircraft wings - Kelvins Circulation Theorem and the conservation of vorticity
263. E-field strong enough to rip all electrons from copper atoms
264. Table tennis problem!
265. An Impossibly Enormous Calculation
266. What's this filaments of a nuclear explosion?
267. Elastic collision with unequal mass and motion
268. Quick stupid question.
269. Far and extreme ultraviolet light
270. gas law help for a home project
271. Maxwell vs Heaviside
272. Treasure hunting metal detectors
273. Superposition: Sound pressure
274. fiber optic coupling question
275. Meaning of size in subatomic
276. Know something about Meker Burner?
277. Sound
278. Rockets
279. Physics Contest Books
280. light amplification
281. question about electrons per shell
282. States Of Matter....
283. Photons = energy? no?
284. Resistance in a Circuit
285. Some help with Gyroscopic Presession please . . .
286. Vacuum Lift
287. a question on norton method..
288. Electron collison with an atom
289. Refraction
290. why we use
291. Dynamics of rigid bodies
292. Position eq with theta
293. Electricity Question
294. Ballistics
295. ELF Wavelength
296. Physics question
297. A Ques. From Irreversible Process
298. Stair Walker
299. Help with the physics of optical illusions
300. "Empty Space" Just a quick thought you might enjoy.
301. Mouse Trap Car
302. creating a vacuum manually?
303. Charge distributions vs. voltage on an infinite plate
304. test
305. String Theory: A Brief History
306. swimming pool pressure on bottom drain fittings
307. decibel & voltage formula
308. black hole evaporation
309. Can Enough Windwills Cause Climate Change?
310. Physics equations, exact?
311. Symmetry and precession
312. The physics of RFID systems
313. Regaining balance
314. what are the amplitudes called for blue visible light, and microwaves?
315. Help a dumb weightlifter out
316. what does these electric components represent??
317. orbital frequencies
318. Equal and opposite reactions
319. Explosives Question
320. Project Discussion and Presentation
321. number of electrons per cubic metre
322. Why does our planets orbit?
323. Snowmelt model, temperature index solutions ?
324. Physics, Music, Rythem?
325. what happens to sound?
326. mass, weight, acceleration, motion
327. comics can be educational........ somewhat....
328. Physiological Limits in Physics
329. Magnetic field in plane of ring, outside (verify please?)
330. Anti-gravity calculation for fun
331. Mass: Matter or Inertia?
332. Switching between frames of reference
333. Car and Plane
334. Color
335. Shear Stress of a particular length rod
336. help!!!!
337. Calculating Torque ratio
338. Need brains about car plowing into my house
339. thermodynamics challenge
340. Please Help: Guass's Law and surface integrals
341. portable air conditioners
342. Leverage and Moment of Gravity?
343. bridge tester design (for competition)
344. Unit cancellation in integration with natural logarithm?
345. Project Question
346. speed
347. Alshar's Lorandite
348. Increasing the divergence of a laser.
349. Please identify pictures
350. About the dimensions of the universe
351. Terminal velocity and g-forces
352. Simple argument for a deterministic Universe-Please refute!
353. Flying Ring
354. Why macro model bad for atomic world?
355. Is there and equation to estimate how man teslas will = a certain distance/strength?
356. Forces on a submerged object due to currents in the ocean
357. lifter
358. Gravity around the Earth (or other large spherical object)
359. true value of exp
360. Max time to reach apex.
361. Making Gravity?
362. Phase, Phase Difference and Phase Shift
363. How to figure in cascading coefficients of friction?
364. Wind Tunnel - relevant formulae
365. Clapping Hands.
366. About Windmill Energy
367. Electromagnetic Radiation Propagation and Efficiency
368. covelant bonds:why dont the electrons(+) repel eachother?
369. Why cant we obtain a virtual image on a screen?
370. Simple harmonics motion
371. pls help w blue film in green xray cassette
372. Spinning rotor/stator mixer
373. Work and Heat in Gas Cycle (formatted: may load slowly)
374. the Kilogram
375. What is Energy
376. car movement physics
377. Fun Physics you can do at home.
378. Looked watery
379. Negative dielectric constant
380. Selenium-Odd
381. Boil Water At Low Temparatures
382. Gravity
383. Polarization
384. balsa wood glider help
385. Infinite hose?
386. Speed of car to overcome a pothole
387. Braking calculations while going down a slope pullling a load
388. Speed of light and mass
389. artificial gravity
390. Why does a ball go further if toe poked
391. Speculate for me ..
392. Electromagnetic Wave Equation
393. Most stable structure ??
394. Where does resonance fundamentally come from?
395. Inflating tubes
396. Mass calcuations in space
397. Need help finding coefficient of rolling friction of UHMW (close to Teflon) on Steel
398. automotive weight transfer question
399. DC Excited Spiral Coil Expression
400. does the resistance of strain gauge increase when temperature increases?
401. gravity speed and force of impact
402. Using the pressure of the water in the sea
403. Frequency and electrons
404. Reduction of velocity in an isentropic process?
405. Friction in Vacuum
406. Pauli Matrices in higher dimensions
407. Can rotation wt, lift leverage wt
408. Shileding of a point charge by an infinite conducting plane
409. Researching Seismometers.
410. Need help with sine waves Equation!
411. Atmospheric Scattering Problem
412. Electromagnetic radiation.
413. Help regarding 'Interferogram Phase Correction'
414. Looking back in time?
415. Electrostatic Levitation
416. AH Physics Investigation
417. Fresnal Zone
418. momentum is a covector?
419. Hertzian wave and harmonics
420. What does this word mean in physics language?
421. Liquid molecular Velocity Distribution
422. photons stuck in an orbit
423. Strength of an electromagnet
424. Entropy Equatio for a closed system
425. Helium and a tuning fork...
426. light rays / mirror equation.
427. Dumb antenna question
428. Distinguishing random from chaotic data
429. Difference between GPR from seismic
430. RMS Velocity
431. How is stacking accomplished and Why do we stack data?
432. Coeff of vertical Incidence
433. Snell's Law
434. Ground Roll Identification and Fresnel zone
435. How is the wave equation derived?
436. Does light speed apply to all waves traveling in vacuum?
437. How does a mgnet work?
438. Tangent and normal acceleration, curvature radius
439. Physics and music
440. Centrifugal pulse reactor and Bernoulli's principle
441. Frequency Response
442. Magnetism by hitting metal?
443. What's a circular integral?
444. Field lines and Coulomb Forces
445. on beating the speed of light
446. Double Slit
447. Converting Kinetic Energy
448. A have a question
449. Spinning object
450. Horn Antenna Radio Interferometer
451. Conservation of Kenetic Energy: Rotational Style
452. What lens shape gives perfect focus?
453. Dirac Delta Function question(s)
454. Question about electromagnet induction in a coill.
455. Solitons KdV Equation
456. acoustic (vocal) UNDERTONES
457. Impulse
458. distribution of forces
459. capacitance
460. Creating "Visible" Inert Gases
461. Electromagnetic Wave Propagation
462. Convex lens
463. direction of friction in rotation
464. Overshoot in electronics
465. Newton's third law to explain lift
466. Arches or beams?
467. What causes a boomerang to flatten out in flight
468. Opics: making lantern's
469. Does a piano string slowly stretch (creep) over time?
470. Magnetic field produced by a solenoid
471. What does a light bulb in vacuum look like?
472. Building a glider
473. [SOLVED] Light propelled toy boat?
474. Dust accumulation and change of weight (or mass, or gravitation field)
475. A Universe without Light?
476. What makes tennis loud popping sound?
477. Experiment Ideas
478. Extending the range of electro magnets? Can it be done?
479. about lagrange dynamics of aparticle
480. CO2 Formula help
481. conversion device
482. At the planck scale...
483. filling petrol in the day or night
484. How can we explaine the adhesion force?
485. Centrifuge Question
486. why most particles are spherical??
487. I was to design my own rocket.
488. Strange radio wave phenomena
489. CG of frame
490. foot-pounds
491. What exactly is overtone
492. How Do I Make a Balloon Pop by Itself?
493. Electrical Power Calculation
494. Centripetal force and Bernoulli's equation
495. Light transmission through glass.
496. Fusion or not with Van De Graaff machine and very high voltage
497. how would this work on the moon?? theory..
498. question about acceleration
499. Types of physicists at a particle accelerator?
500. d 'Alembert's solution
501. Resonant frequincy of capped cylinders
502. Fossil fuels
503. [SOLVED] Waves
504. Ferrofluids: do they produce a force?
505. If the moon suddenly vanished, what would people on earth experience?
506. Question about the physics behind a guitar string
507. Pointwise Ampere's Law
508. Question from a helicopter pilot . . .
509. Is nuclear fusion radioactive?
510. significace of i*sin(wt) in SHM [cos(wt)+i*sin(wt)]
511. Magnetic force does no work?
512. Toy top in space
513. Total Energy Dilemma
514. [thin films] (Macleod's) phase-shift upon reflection
515. Electricity & Circuitry
516. nuclear bombs
517. hitting a golf ball
518. alternating current versus direct current
519. Quality Factor in damped oscillation
520. wind velocity
521. Air Displacement?
522. Hemoglobin-Oxygen binding energy
523. Hertz to MeVs
524. Everyone in the world jumping in place at one time
525. Magnetic field and airplane scenario.
526. Parallel Current-Conducting rods
527. Is there a way? Salt Water to Fresh Water
528. I read that iron and mu-metal repel magnetic forces. So I was wondering...
529. ampere-turns explaination?
530. Can someone please explain magnetic pressure to me?
531. ice with microscope
532. Impact Time and transfer of rotation
533. Collimating beam with optical axis
534. Good resource for understanding light waves?
535. An interesting scenario...
536. Gravitational attraction of bodies
537. Why do resistors in series recieve the same current
538. Acoustic boundary conditions
539. When I see an electrical arc ,what am I really seeing?
540. Spin
541. Speed of light question.
542. Photon Mass Question.
543. newtonian mechanics and inclined planes
544. Ideal gas law
545. Fabry-Perot Interferometer as Principle for Bris-Minisextant
546. Do photons decay?
547. Gravity outside a cylinder.
548. Geomagnetic propulsion
549. Coefficient of Restitution and Spring Constants
550. Question about mass
551. Non-uniform circular motion!
552. ye old acceleration
553. Torque direction rule and metamaterials
554. Really basic electronic question
555. How far the light can be shine?
556. Calculating Acceleration on an incline plane?
557. Gap Band
558. Friction and Rotation
559. Spring Walkthrough
560. Particles in Magnetic Fields
561. Math Project on projectiles
562. Do you use set theory in Physics?
563. The Earth and its orbit around the sun
564. Can someone help me explain these two problems better?
565. Absorption spectroscopy
566. Why an electro magnet use energy?
567. Centrifuge Torque
568. refocussing Young's double slits
569. Force to Open A Door
570. heat transfer & sound transfer
571. object getting closer to a mirror
572. Centroids of various triangles.
573. Can a single conductor be used as capacitor ?
574. Mousetrap Racers
575. What is Gravity?
576. Causality??
577. Car question
578. how Cooulomb's law follows from Gauss' law?
579. Angular Acceleration and Velocity..please help :)
580. A simple weight distribution problem
581. Calculating Time in gravity/acceleration problem
582. Can something exceed the speed of light?
583. total internal reflection (T.I.R.)
584. Aeronautics
585. Moment of Inertia
586. Photon momentum and lasers transfering energy
587. conceptual question about angular speed and radius for rotational motion
588. what is electron cyclotron frequency?
589. NMR: what is the area under the curve of the radio transmitter?
590. phase optics
591. direction of friction in rotational motion
592. Satisfying application of physics
593. Need some help regarding phase and group velocity of a wave
594. Wien's Displacement Law & Emission Spectra
595. Why farther objects appears smaller?!
596. about ideal mechanical advantage for an inclined plane...
597. Rolling Motion w/Static Friction
598. Question regarding ideal fluids vs. non-ideal fluids
599. recoil question
600. An assumption about the speed of light !I need help.
601. Proof of induction
602. fluorescent colours and the atmosphere
603. Calculating Spinning Disc Physics/Dynamics
604. My question related to the particles or beads science
605. Interesting phenomenen
606. Help evaluate the ball lightning energy
607. CO2 laser and sigarette smoke question
608. Clean energy and more drinking water.
609. Fabry-Perot Cavity
610. coefficients of friction on skis
611. induce e.m.f
612. Superposition...
613. Grating matters...
614. why do planets move?
615. Goofy question for you guys
616. If the universal gravitational constant was changed from 6.67 X 10(continued on post)
617. Formula Of Inertia
618. laser questions
619. Question about AC frequency
620. directions in vectors
621. Very simple question.
622. fusion
623. So if i dig a hole to the other side of the earth...
624. Mystery of Candle Wax
625. Concept Question about Resonance and Oscillations
626. Airplane's shortest route
627. A different set of tools
628. Velocity of a rolling body down an inclined plane
629. totally random?
630. Bernoullis Principle Question
631. Parallel-Axis Theorem Clarification
632. Magnetic field measurements
633. How to melt ice?
634. Estimate the power of the laser on board of Darth Vader's Death Star
635. Cloud Chamber Demonstration
636. Why does a rainbow arc shaped
637. back EMF (electromagnetic induction)
638. Formula for Paper Airplane Flight?
639. Measuring the speed of light with a microwave and marshmallows
640. Need help understanding work equations :-)
641. Torque
642. Air drag equation
643. Phase Transitions
644. Remove oxygen from liquid
645. Question concerning magnetic fields
646. Motion of the earth and us
647. How can we boil water without heating it?
648. Electric charges and large bodies
649. Static Electricity
650. Induced current
651. Nonseparable Hamiltonian
652. Finding the length of a tube from and original frequency
653. Cooldown curves, inflection points etc.
654. efficient energy conversion
655. A perfectly smooth sphere...
656. how can tension be the same along all points in a rope?
657. Electron density for a metal
658. Zero G forces: Translate or Rotate?
659. Induced Electric Fields and EMF
660. three dimensional torque questions
661. Focal Length
662. What does this symbol mean??
663. May i know the difference....
664. air compressor
665. some basic questions about collision force
666. poynting vector
667. grade 11 science project proposal
668. A Question I am wondering...
669. Question about resistance in a circuit
670. Physics teacher needs help with lab on Newton's laws
671. Piano Tuning Pin Rotation: A Physics Problem
672. Electromagnet construction questions
673. Nitrogen Expansion
674. about coloumb??????
675. Question regarding temperature
676. Help!!!
677. Reflection
678. Correcting Speed Value
679. entropy in compressing gas
680. Charging a capacitor through a high resistance
681. [Quick question] A bird's fall.
682. How is this formula derived?
683. Uniform Circular Motion, Rotational Motion, Torque, and Inertia
684. static? dynamic?
685. Air pressure and force of lift
686. force =mass x acceleration
687. Calculate Heat and Temp
688. magnetic field 2 please help
689. Compression and Expansion Index
690. synchrnised clocks
691. [SOLVED] I really need help
692. New interest in Physics.
693. Help Understanding Circular Motion
694. magnetic filds
695. Rigid Body Physics
696. [SOLVED] Test tomorrow... trouble with conversion.
697. Coefficient of static friction
698. Modulus of Rigidity
699. Energy calculation
700. Centrifugal force and those Mike Rowe Ford Truck Commercials
701. charging a capacitor
702. Linear Velocity and Acceleration
703. Why does light intensity decrease when light passes through a glass block?
704. Position as a function of time
705. How many shields, for the Archimedes legend to work
706. conservation of energy
707. laser through optic fiber - out before through
708. Inelastic collision (not homework)
709. Amazing physics!
710. does static friction cause a car to move forward?
711. water pipes and frigid weather
712. Newton rings ?
713. Need help finding a derivation of the range formula
714. rockets in space
715. Kinetic Energy
716. catapult projectil
717. Fermat's principle and lens
718. Work in the middle of space
719. Making A Concave Mirrior?
720. Centrifugal force, rotation
721. Reflux still
722. superconductor with no current?
723. EMF question
724. Rainbow
725. "ballistic bean bag blast"
726. Newton's Third Law, Universe Imploding?
727. suction
728. Hyugens principle and laser wave dispersion
729. What the heck is the point of this?
730. Rayleigh vs Compton
731. playing basketball on the moon
732. What is Centrifugal force?
733. the exact definition of tension
734. Momentum of a photon
735. magnetic field between two solenoids..
736. Amplification of energy
737. Losing energy via EM, G field
738. World beyond Normal (distribution)
739. Wavelength, Frequency...
740. photoelectric effect (questions)
741. Cold Black Sun
742. Significant Numbers
743. what is charge and what are the reality of fields?
744. horizontal and vertical independance
745. intensities and magnitudes in natural science
746. conical pendulum concept
747. gravity
748. Two Dimensional Standard Deviation?
749. Projectile motion!!
750. acceleration on a corner
751. Radius of curvature ?
752. 5.8Ghz phones, less harmful than 2.4Ghz?
753. Anti-magnetic.
754. Electromagnetic Spectrum
755. Power and Tq Needed to keep a car rooling at speed
756. centrepetal force
757. difference between Br in BH curve and gauss meter measured value
758. Magnetic Fields: I don't understand cylindrical current systems
759. Possible to Add Light?
760. Proton Mass
761. Moving Water
762. Gravity calculations
763. relationship between Linear and Rotational Variables
764. Books by Springer/Quantum Electronics/Photonic series...
765. The Spherical Oscillator
766. Focal points ?
767. The mirrored sphere
768. tell me about the harmonograph
769. Not conserving energy when I should be
770. conversion
771. Frans Michel Penning ??
772. Fundamental Ideas
773. Falling objects
774. Flexible vegetation
775. Spherical aberration
776. Different types of LaTeX fonts?
777. Sound Waves, Resonance, and intensity...
778. Help with physics project
779. Pressure in a tank
780. Fire vs. Water
781. Photon Absorption
782. How hard something hits the ground
783. Diffraction of light
784. Reflection at atomic level ?
785. Projecting Video Onto Two-Way Mirror
786. What is the energy/work required to turn something?
787. The role of Oxygen in life
788. White and silver
789. Inertia Moment for Racing Motorcycle Wheels
790. conical pendulum?
791. Neutral Wire
792. Weird laser effects
793. Why does smoke rise upwards?
794. What is a centrifugal force?
795. Explosive force?
796. Solar Sailing
797. So I was thinking about Light, right...?
798. Rainbow
799. What IS a field e.g. magnetic field
800. Drag Coefficient and Snow, dirt, or hail damage
801. Can't tear something into three pieces
802. "cgs" unit systems
803. Coaxial cable
804. the acceleration of a rocket
805. Fat and frying
806. Projectile Motion
807. Modeling of an inductive proximity sensor
808. Mass density and specific gravity
809. My Path to Physics Enlightenment
810. Gliding
811. Rube Goldberg project
812. Home Insulation Question
813. Some Random questions (plz help)
814. Faraday cage not working
815. Beat Frequencies & Light
816. Small project
817. Visualizing Free body diagrams?
818. Question regarding pi
819. object rotating on string
820. Can you shape a magnetic field?
821. Finding the "bounce equation"
822. Limits of Real Gas Behavior
823. Kinetic friction problems
824. Why doesn't light go faster than it does?
825. water flow question
826. Frequencies of Light
827. What are the conditions of a ideal Stefan-Boltzmann gas?
828. Hydrogen tank de-pressurisation
829. What would you write?
830. Why dont we feel the tilt in an aeroplane?
831. Resistors become insulators at some high temp.
832. Resistance as density
833. Magnetic field outside a solenoid in 3D in terms of position
834. If I have to send a beta particle in space
835. Force of Superman's Fists
836. naive Question
837. Question about bullet fired from gun.
838. fermi's constant
839. Question about Course Material
840. Knick-knacks you learnt..
841. Can wheel locking occur with engine breaking?
842. Fine structure constant -1/137
843. Colors vs. UV Ray Exposure
844. [SOLVED] Can an electrostatic force repel or just attract?
845. Interference does not happen
846. calculating velocity coefficient of arbitrary transmission lines?
847. Slope Physics
848. Question about frequency versus wavelength
849. FTL travel: Do you think we can do it?
850. why magnetic field deflects a charged particle.?
851. Need Help Answering Voltage Problem
852. Topple and Centre of gravity
853. velocity of light and temperature of medium
854. styrofoam
855. Radio transmitter for Zune...
856. A guess in Physics
857. What's up wioth wrinkles
858. Car physics
859. Mechanical Work
860. Limit below which we cannot detect light?
861. coherent length
862. energy conservation
863. Radiative transfer to space affected by atmosphere?
864. time dilation
865. Plano-convex lens
866. Fun little paradox
867. how small can you go?
868. spring constant and acceleration
869. Impact Craters!
870. How to calculate g-force in a Class 2 rocket
871. Acceleration Due to Gravity Question
872. A few questions about magnets
873. Superparamagnetic nanobeads
874. Need help in determining formula for for fishing lure depth...
875. Question about Velocity.
876. The Kaye effect - Leaping Shampoo
877. Top Mysteries in Physics
878. metal in a microwave oven
879. Laser spots
880. Gravity anomaly???
881. thermodynamics notation
882. True vacuums with no energy at all inside
883. Is weather a chaotic system?
884. Measuring Parsecs
885. Gravity!!!
886. what happens when two light beams collide ?
887. [SOLVED] Aluminum Boats and Buoyancy.
888. Propagating signal in a rod
889. Alderson Disk general solution
890. doppler
891. Hypothetical Question involving Conservation of Energy
892. What determins the electrical resistivity of different metals?
893. Electromagnets and Permanent Magnets
894. Lightweight aerogel material
895. Free Electron
896. Capacitor Discharge Energy
897. SETI article, today's times
898. Perfect Atomic Structure
899. How do i measure light frequency?
900. Coherence
901. Helicopters vs. Airplanes
902. Field Theory Justification
903. Graphing experimental Data
904. calculating velocity or acceleration
905. Small LED on screwedriver
906. velocity of light with flour?
907. Dealing with vectors
908. What makes a spring stiff?
909. Projectile motion
910. duration of wave packet (photon) vs coherent time
911. From the perspective of a Neutrino.
912. simple differential questions
913. Why or How an electron REVOLVE around the Atom ?!
914. scattering in water or atmosphere
915. coherent time vs duration time of the wave packet (photon)
916. Single Slit Explanation.
917. magnet force
918. with the water flow analogy
919. proof on two dimensional elastic collision.
920. Fiber Optics
921. frictionless surface
922. mechanical electricity generation
923. Light weight Material
924. Phun
925. Basic physics- chain strength question.
926. Why am I magnetic?
927. Easy Question Please Help
928. Torque: Swinging Door; mass, I, r, t and Angular Displacement Given
929. light and darkness!
930. infinite potential well
931. Superposition of position functions
932. Lighting bulbs with magnetic fields
933. Effect of Sugar on Coffee Heat
934. Questions about Electrical Field and Magnetic Field
935. Inverse Square Law
936. Act against Gravitational Force
937. magnetic field around wire
938. Tachyon vs neutron
939. Water pressure
940. what happens to PE during elastic/inelastic collisions?
941. Trying to understand Magnetic Braking
942. 2 questions
943. Formula for the tensile stress on a spinning ring
944. orientation of an object after collision with ground
945. trying to understand power/work
946. AirFlow Calculations/ Anemometer anyone??
947. relationship for molecules
948. Density of salt and graphs
949. Equilibrium of a gas
950. energy conservation in particle decay
951. Perfectly Rigid Bodies and Quarks
952. Are Atoms round shaped ?
953. Interference and Medium?
954. Odd results from an incandescent bulb
955. research at a low level
956. Lasers!
957. Driving a car on the roof of a truck.
958. Electron filmed?
959. electromagnetic induction
960. fresnel Biprism
961. Metal heat
962. Subatomic Particles Fired At Each Other
963. Calculating Properties of Tsunamis
964. electromagnetic induction
965. No magnetic fields?
966. Hollowed cylinder grounded
967. Acoustic Length?
968. Resistance of Various Shapes
969. velocity selectors
970. how to make such thing
971. Single Loop Circuit Energy Conservation
972. Question about friction
973. Nylon fiber guitar string sound
974. Mie Theory.
975. recoil
976. Ballistic Galvanometer
977. Absolute Zero and Time?
978. Gravity
979. gauss law
980. Violation of Snell's Law??
981. [SOLVED] Two objects of Different masses falling
982. Ball bouncing on the floor - Normal reaction?
983. What is the force of a shockwave expanding 100 fps in fluid
984. radiation dampening field
985. Giant Slingshot
986. Physical meaning of a fourier transform?
987. Binding Energy makes life possible. Do you agree?
988. Pulleys and Acceleration
989. Reverse diffraction
990. Fuel burns upon re-entry?
991. Orbit concepts
992. Jet engine
993. Gravity and Mass Question
994. Crazy physics problem! (big debate in my high school)
995. DHM equation
996. Calculating Power of a rotating shaft
997. Fundamental Forces Questions
998. Relating Distance and Speed for orbits
999. synthetic diamond
1000. Charges on Faraday ice bucket like conductors
1001. Doesn't Alternating current cause fatigue?
1002. Spotlight Diffraction
1003. Potential due to a continuous charge distribution
1004. Wavelength of an Electromagnetic wave
1005. Some conceptual collision/energy stuff
1006. Ball and string
1007. Constructing a Table. (Radioactivity)
1008. Top heavy object
1009. voltage question (photoelectric effect)
1010. physics olympiad
1011. water pressure and explosions
1012. Time and the 2nd law of thermodynamics
1013. electricity device help
1014. scattering
1015. quasi-static processes
1016. Acceleration
1017. question
1018. What's the shape of a microwave beam?
1019. conservation of enery
1020. color spectrum underwater.
1021. Gravitational Field
1022. Wavelength - differences in equations
1023. Thermodynamics
1024. Bandgap Values for GaAs and Si
1025. Color Theory Modeling?
1026. mirror reflection question
1027. Solar Radiation and Nuclear Waste
1028. launching a golf ball
1029. bonds in liquids
1030. Floating ice
1031. Eyes FPS
1032. Help! Bullets And Impact Math!!
1033. General Question about force
1034. topple effect
1035. Airplane on a conveyor belt (sorta)
1036. Auto airflow.
1037. Acceleration of mass?
1038. Density of the same substance.
1039. possible airflow formulas
1040. Centripetal Force
1041. Diving into swimming pool
1042. Help Understanding Gravitational/Elastic Potential Energy and related
1043. Capacitance word problem
1044. annihilation
1045. Reverse magnus effect
1046. Second Law of Thermodynamics
1047. Group velocity and reflective index relationship
1048. electron attracts the earth..
1049. hot glass
1050. Scale ?, mass or weight
1051. Dark places.
1052. Phone book friction!
1053. Maximum Speed
1054. fly in my truck
1055. Molecular Simulation
1056. First Leyden Jar - experimenting.
1057. Strawfuls of water
1058. Path between two points in rolling terrain
1059. Exponential decay
1060. Pregnancy Gel
1061. String Frequencies By Temperature.
1062. How to define charge?
1063. electromagnetic motor
1064. Trying to understand Electromagnetic waves
1065. magnetic flux
1066. magnets
1067. distance transform
1068. Isotopes and Speed Question
1069. Joule efficiency project
1070. Accurate tracking of position at walking speed using an accelerometer
1071. I need a formula!
1072. Interested in Understanding Limitations to 12V DC battery applications
1073. Sparks in vacuum?!
1074. Huygen's principle
1075. A little help
1076. Conceptual Question on Current
1077. Does light have a size
1078. open organ pipes
1079. snow weight on fencing
1080. Mechanical resonance
1081. Stroboscope monitoring by CCTV
1082. Wear rates and friction of plastics
1083. physics of far from equilibrium systems and self organization
1084. Questioning of fundamentals of current flow
1085. Wave Reflection Question
1086. Tension effects on web slits
1087. Whispering Gallery at St. Paul church
1088. bouncing
1089. angular acceleration in baseball
1090. diffraction
1091. Help is Needed with this Q
1092. Centripetal forces on a drifting Hangglider?
1093. do the electrons "spend" energy, and where that energy goes?
1094. Spheres octaves and pitch
1095. Classical Physics with Time going Backwards
1096. digital and quantized signal, are one same thing?
1097. On The Nature of Transverse Waves
1098. physics of die bouncing
1099. Vortex surface elevation
1100. why some materials have bigger refractive index than others?
1101. Out of the Loop (no pun intended)
1102. gravitational potential energy challenge
1103. Postion -> Velocity -> Acceleration -> Jerk ->?
1104. spectroscopy
1105. Question about slowdown of the speed of light in solid medium
1106. uniform acceleration
1107. Gravity vs Gravitation
1108. Newton's Third Law Question
1109. Wavelength in Orbit
1110. Motion and energy!?
1111. [SOLVED] Sound waves in solids?
1112. Error propagation when you take the inverse?
1113. What the h-?
1114. Minimum wavelength of light and electrons? Microscope related.
1115. If visible light have so much more energy than infrared, why does infrared feels hot?
1116. what is the difference between gas and vapour?
1117. Electrocuted....by household static…?
1118. Yikes, I need help! (Centripital Motion/Forces/Friction)
1119. Coulomb's Constant Question
1120. Leyden Jar Capacitor Recharging?
1121. Quick question about light waves
1122. can polarization affect diffraction?
1123. refraction of light
1124. FORD F150 Centrifuge
1125. Kelvin Temperature - Celsius Temperature Change
1126. earths magnetism
1127. Video: Scientist plans Time Machine - Is this possible?
1128. Mummy, where do harmonics come from?
1129. velocity of planet
1130. Escape Velocity
1131. Can something massless be stationary ?
1132. Canceling out low frequencies noises (subwoolfers)
1133. laser
1134. AC vs DC Generated Magnetic Field
1135. Resonance, standing waves and bass
1136. If temperature is motion, why doesn't stirring water make it boil?
1137. Derivations of the Decay Constant Equation.
1138. Free Fall and air resistance
1139. Hammer and ruler balance
1140. Elextric Flux Question
1141. Mass on a stick model.
1142. 4th Dimension
1143. Magnetic flux density
1144. Problems with Bohrs atomic model
1145. Understandable, recent physics
1146. Roller Coaster Project Help
1147. Barometric height
1148. taphonomy and turbulent flow dynamics
1149. significant numbers
1150. Optics and The Eye
1151. Vectors
1152. can i use a watch glass as a primary mirror of dobsonian telescope?
1153. Simple Harmonic Motion in daily life!
1154. Equation for measuring strain
1155. Conceptual question about syphons...
1156. Corriolis Effect
1157. light
1158. virial expansions
1159. wave speed
1160. force, gravity question
1161. magnification of dobsonian telescope..
1162. Gauss's Law with Dielectric
1163. making a stronger air flow using 2 fans
1164. Derivation of spring constant k: Where can I find it?
1165. conductor question
1166. velocity with mass and distance given ?
1167. TV Researcher needs help w/ electromagnet
1168. Why does fuse wire always break in the middle?
1169. toroidal transformers
1170. Circles of light
1171. Compression of Gases
1172. Electric Field Produced by an Infinite Sheet.
1173. Waves Questions
1174. Fresnel diffraction; geometrical shadow
1175. Ice sticking to the mould problem.
1176. [SOLVED] Model
1177. Simple question on newtons third law of motion...
1178. primary mirror for dobsonian telescope...
1179. A conceptual question about current...
1180. Blueshift + Classical Physics = Golden Ratio
1181. Does gravity apply at very short distances?
1182. wave 2d, 3d
1183. Acoustic streaming
1184. SHM energies
1185. Inertial Reference System
1186. null cavities?
1187. Why isn't it possible that gravity is repulsive at long distances?
1188. Polarized thin film?
1189. [SOLVED] Evidence for the existence of neutrinos.
1190. phases in SHM
1191. Could time be movement in a 4th physical dimension?
1192. Defects of Workmanship
1193. Combination of Lenses ?
1194. RL circuit
1195. Why can visible light pass among glass? Why glass is is transparent to visible light?
1196. Maglev help
1197. Amount of charge spherical conductor can hold in air
1198. Settle An Argument
1199. Quick rotational motion question
1200. The Earth's Electric Field and the size of Dinosaurs.
1201. Can a *gas* be visible to the naked eye?
1202. How to convert count rate into becquerels
1203. photoelectric effect
1204. Accelerometer force or the square please
1205. wave speed
1206. the size of the reservoir in a barometer
1207. Coils & Questions
1208. Area of a Parallel Plate capacitor. Pi*r^2?
1209. Diffusion of Different Gases/Particles through Air
1210. Half-Life
1211. Force
1212. Does light exerts force?
1213. EM: Transformer confusion
1214. Coupled oscillation of 3 objects
1215. Air Torus Hoverboard
1216. Multiple Radio Waves and Superposition
1217. Pure electrostatic
1218. Toboggan Speed Theory
1219. Electical shock, electrocution questions
1220. big bang theory question
1221. Sound Intenisty at a Football Game
1222. Stopping a bullet in water?
1223. high energy question
1224. Finding Wavelength
1225. Paper Tower
1226. EM spectrum
1227. what is absolute body temperature?
1228. best heat absorber/ releaser
1229. Why we can see light and not heat?
1230. what happens with the atoms, while reflection of light?
1231. Changing light wavelength.
1232. Potential Difference
1233. Geiger-Müller tube
1234. Drag can happen in extremely low-viscosity fluids
1235. Which university is doing research on the matter to energy transition efficiency impr
1236. Properties of light
1237. vibrations
1238. Can absolute zero ever be achieved?
1239. question about spirngs their force
1240. question about infinite space and time
1241. Electric Potential (V)
1242. cathode ray tube
1243. Why the black objects absorb more light and heat from the other color objects?
1244. wave diagram
1245. Budding SciFi Author with many questions
1246. Fluid appearing colorless when poured
1247. Can somebody tell my where I am going to wrong.
1248. Question about the comparative masses of Protons, Neutrons, and Electrons
1249. Doppler Effect.
1250. question
1251. RPM vs Velocity Question
1252. physical constant count
1253. High Speed rotating magnetic fields
1254. [SOLVED] Closed Environment Sound at Light
1255. Free Energy.. help
1256. Stopping distance
1257. Electric Fields
1258. water droplet problem/electric fields
1259. E and M fields in a faraday cage
1260. thickness of bulb filament affect brightness?
1261. center of mass
1262. Does anyone have solutions + questions of AP physics B free response
1263. Calculating the electric field
1264. Voltage at microscopic level
1265. Vibration problem: mode shape?
1266. Can someone explain this physics passage and picture?
1267. Why the earth is zero potential?
1268. Moving while lighting, will be induced current in me?
1269. Electricity and Water Analogy
1270. Projectile help
1271. water to steam
1272. [SOLVED] Sign Convention - Physics - Optics
1273. Determining the center of mass experimentally
1274. Radian Measurements
1275. Sonoluminescence
1276. Kramer's Equations
1277. How long to turn off fluorescent lights?
1278. Faraday cage question
1279. Weird buoyancy question
1280. bird strike
1281. Accretion of specific minerals from seawater
1282. curve fitting
1283. Burning question:
1284. Can external current pass through Faraday cage,like thunder?
1285. thermodynamic limit
1286. Hydraulics question
1287. Transformer magnetising resistance
1288. Symmetry and Conservation of Charge
1289. Wave Sets..
1290. Diffraction Grating
1291. General EM Wave Question
1292. Why a magnetic flux in closed surface area is always 0?
1293. Work done against gravity, what am i missing
1294. Where to look? -waterbed?
1295. Kater's Pendulum
1296. Discharge a magnetized bearing
1297. Does the photon even exist from its own perspective?
1298. So what is ENERGY?
1299. Trying to prove which car hit which with physics
1300. If you could make your mass=0, would you begin moving at c?
1301. Parabolic Air Resistance
1302. Why the induced emf is always negative?
1303. Question
1304. archimedes's principle
1305. Laws of Vibrating Strings
1306. The height of clouds?
1307. Advice on making laser ray box for teaching
1308. Handbrake Turn in a car.
1309. where does faraday's law come from (law of induction)
1310. Massless Particles.
1311. Program for Graphic Design
1312. waves in various mediums
1313. how to get the magnification?
1314. Would CD change for a cylinder if the
1315. understanding ratios
1316. could someone please advise me
1317. The physics of falling and landing
1318. sonic ranger in water
1319. Physics at Home
1320. Particle in motion
1321. Gravity Equasion Question
1322. Water evaporated
1323. smallest unit of time
1324. question regarding a car crash
1325. Basic Photon Question
1326. (optics) phase shift definition
1327. How do I contain a magnet's magnetic field?
1328. what is change in the magnetic flux (delta B)?
1329. Reusing dissipated energy
1330. Sounds of Music - Metallophone
1331. Sound waves in organ pipes.
1332. Strange Refraction from Glasses
1333. Hawkeye
1334. Charge by contact question
1335. relative atomic mass
1336. Double-Bagging
1337. bag of coffee bean
1338. Light can't get out of a black hole, but can space get out?
1339. Negative Length
1340. MIT OpenCourseWare
1341. "Wing Commander Physics" and Bernoulli's Principle?
1342. Where is has the other half of the energy gone ??
1343. How does magnetism arise in permanent magnets?
1344. Vacuum chamber
1345. thermal radiations
1346. electricity from radio waves
1347. XRD of deformed sample
1348. Physics of Crash Testing
1349. microwave spectrometer
1350. potential nuclear energy
1351. Electric or Magentic fields dangerous?
1352. 3D Force vector rotation
1353. TV comes on spontaneously
1354. waves moving in shallow water
1355. What exactly happens in a conducting conductor?
1356. Supercritical Fluid and subzero
1357. Weight at noon & at night !
1358. Doppler Effect and Reflection
1359. Blood Vessels... do they NOT follow Bernoulli's principle?
1360. Forklift Question
1361. Wood fire in compressed air chamber?
1362. marker lid launching
1363. Reference Frames
1364. Dimensional Analysis Question
1365. [SOLVED] Physics: General Question
1366. star-shaped balloon
1367. Unit of force question
1368. Waves approaching a beach
1369. Roller Coaster Design!
1370. Finding the temperature of light bulb filament?
1371. Shining Light - The Physics Behind This Phenomenon?
1372. Energy transfer question
1373. what makes the electrons move in conductor? (em induction)
1374. Gravitational force and density.
1375. Throwing a ball on smooth surface.
1376. Really basic resistance question, but not sure.
1377. what values can be used to measure MOI?
1378. tunable lenses
1379. Friction Questions: Why does it increase and why does it lag?
1380. singularity problem
1381. leonardo's gear sketch
1382. trampoline double jumping
1383. Windows exploding
1384. Can an object travelling really fast catch friction?
1385. Simple tension
1386. oscillations of sphere
1387. oscillations of sphere
1388. How does antenna transmits electromagnetic waves?
1389. heating question
1390. Why I can burn a paper with magnifying glass and sun?
1391. Question about vibration
1392. when gravity cancels out
1393. supressing dielectric constant of water?
1394. Contained Hydrogen Explosion
1395. alkaline battery question
1396. Tungsten Filament Emissivity Assistance requested
1397. Sun Glasses
1398. Emission/absorption spectrum
1399. gravitation on fermions
1400. Torsion Physics
1401. Surface tension of ethanol solution?
1402. Electromagnetic/gravitational fields
1403. why High frequancy cause high resistance
1404. Friction of Rotating Object
1405. What are the principles of our time?
1406. Where would a voltmeter read 0 in a simple circuit?
1407. How well do we understand time?
1408. Light speed as the processing speed of the universe
1409. Would light speed be faster with no virtual particles
1410. Extra dimensions of time
1411. Work questions!!!
1412. Horizontal and vertical lines - star
1413. Falling through walls
1414. gun powder = psi
1415. phase problem
1416. weight of the whole earth with reference to an apple
1417. Several optics/electromagnetics questions.
1418. Transformers and Ohm's Law
1419. Force delivered by a punch: Question
1420. The Planck length & movement
1421. [SOLVED] Ratio of speeds in an elliptic orbit
1422. Pendulum
1423. Power and Power Dissipated by a resistor .. in layman's terms
1424. axles and wheels
1425. Car on a treadmill
1426. Two Rays of Light
1427. Orthogonality
1428. Why does a whistle sound louder when you blow harder?
1429. Pressurizing tank of Gasoline
1430. Finding the coefficient of friction
1431. Fly, flying inside a plane
1432. how i can find the magnification of a lens??
1433. Foreshortening - mirror vs photo/video
1434. sound waves in a glass
1435. Minimum and maximum entropies
1436. What is physics?
1437. Anyway to stop a gun?
1438. Bowling Physics
1439. Dirt and water streaks of car bonnet
1440. object positioning on scale
1441. energy question..... end my confusion please?
1442. weight + motion = torque
1443. Michelson-Morley Experiment
1444. Star Trek Physics?
1445. Eratosthenes's measurement
1446. momentum definition
1447. Help with a little project I'm trying to do:
1448. Why water evaporates below 100 ºC
1449. Geometrical Structure
1450. How does kinetic friction change around a curve
1451. How far can light travel?
1452. Momentum
1453. If electrical charges swap...
1454. Circuits (RC Circuits) Help!
1455. Hydrodynamic coincidence
1456. time dependent electric force at large distance
1457. Do the virtual particles produce a recognizable gravitational force?
1458. Is the Casimir Effect dependent on the gravitational field?
1459. Working fluid for a thermodynamic cycle.
1460. resistors in series
1461. Question about Human Pyramid!
1462. subwavelength gratings..
1463. general version of fermi-dirac distribution??
1464. Help Please!
1465. Freeze? Turns into gas?
1466. Why does a hot or warm ice cube tray freeze quicker than one at 33*F?
1467. kinetic energy
1468. mean thermal wavelenght
1469. 9/11 building question?
1470. sweets VTA unit
1471. New view on fluid flow
1472. G Force equivalencies (help and idiot out)
1473. Flowrate and pressure after a size reduction
1474. energy "destroyed"?
1475. Oxidizing gas to cheat a fuel-cell based breathalyzer?
1476. earth rotation and long flights
1477. - Kinematics -
1478. Electrostatic force between two arbitrary shapes
1479. Torgue vs BHP, who is right?
1480. How to determine energy required to hold an object in air
1481. waves or particles or waves of particles?
1482. Energy from Water
1483. Ionisation and containing ions
1484. Golf ball rolling coefficient
1485. skydiving
1486. Thermal conductivity problem
1487. Bicycle physics - Flying over the handlebars
1488. Energy Distribution of EM Radiation ~ One Photon
1489. if E==M then...
1490. Coefficients of static friction
1491. Spaceships, matching course and speed, internet tutorial and much confusion...
1492. Question of speed of light
1493. Magnetic Elevator
1494. Why do light disappear?
1495. Why do scientists use sound waves in water?
1496. young's double slit experiment
1497. Laser Combination
1498. Momentum / gravity problem
1499. How Dense Can You Get?
1500. Newbie question: Why is the speed-of-light squared equal to energy/mass?
1501. thunder!!
1502. A bird and a train
1503. Momentum- elastic collisions
1504. Walking on Water
1505. Sound wave laser
1506. Constantly Moving Magnet
1507. laser traveling through air
1508. space vs sound
1509. Vacuum question
1510. Attraction
1511. I was changing a light pendant today
1512. Boltzmann distribution vs. Distribution of energy
1513. AS Coursework
1514. Black lines in elements' emission spectra
1515. "Physics for Scientists & Engineers" by Tipler & Mosca
1516. Getting wet from the rain
1517. what makes a material able to spread weight
1518. Medium of EM Waves?
1519. Acceleration by Gravity
1520. Is energy conserved in this case?
1521. Experiments..
1522. If we see wavelengths from 0.4 mm (blue) (not 400nm) and 0.7 mm(red) (not 700nm)
1523. Sample Exams
1524. Estimating a tower's height using shadows
1525. playing basketball on the moon?
1526. A question about resistance
1527. More is Different, Anderson
1528. Please help - How do figure skates work....?
1529. Finding out internal resistance of a lemon when used as a power supply
1530. Isn't this false?
1531. Soup Can Race: Help!!!
1532. Novice's question
1533. physics of dry air
1534. Collision in Western Australia, Australia
1535. Bullet proof material
1536. physics games
1537. Ridiculous explanation of 'string theory'
1538. Stokes Law
1539. Angular Collision Resolution question
1540. Question about curvature of space
1541. The Winging Seed
1542. New Honda hydrogen car today
1543. Microwave ovens vs. cordless phones
1544. Matter out of phase
1545. Voltage - Sign convention problems
1546. Why do we still use seconds and meters as SI base units?
1547. Question regarding sound waves in musical instruments
1548. Help a confused noob.
1549. Entropy of an irreversible process
1550. Basic doubt abt Geiger counter
1551. Persistence of Vision
1552. [SOLVED] Radios for a layman
1553. An interesting question
1554. Question of time
1555. I want to know about what happened when gun fired in details, please help
1556. Bullet velocities
1557. fins
1558. question: stability of bicycle
1559. equivalent acceleration of an accelerometer
1560. Diffraction effects and wavelengths
1561. Capillary Action (Capillary Depression)
1562. Thin Film Interference
1563. Engine Possibility
1564. Compound machine project help
1565. Is fire a plasma?
1566. magnetostriction oscillator
1567. "Non ideal" Lorentzians
1568. "Waves" in spherical emission...
1569. Why isn't the magnification of a telescope (-)
1570. Help me with some equations on torque & acceleration!
1571. fracto-emission of light
1572. Are there some calculator programs like this out there?
1573. Surface tension acting on DNA molecules
1574. Energy conservation and thermodynamics
1575. Infinitely long magnet
1576. Energy being destroyed
1577. Sound
1578. Urgent Help Needed
1579. Two cars traveling toward each other question
1580. Few problems I've tried but still had issues on
1581. Electrons qualifying as dark matter?
1582. Wave in a coupled materials
1583. Interplanar spacing 'd'
1584. Generation of Microwave
1585. photons and gravity
1586. Black hole?
1587. Pascal's Principle
1588. i need help..
1589. Newtons third law
1590. mesuring coefficient of static friction
1591. An atomic explosion - more energy out than in?
1592. demagnetizer and a magnetizer
1593. Photoelectric problem
1594. proof of newtons gravitational law!?
1595. question
1596. Antimatter Blackhole
1597. very quick entropy problem
1598. Heating water - microwaves vs kettle?
1599. heat and objects approaching the speed of light
1600. Middle School Science Question: Conductivity of Water
1601. Graph help.
1602. buoyancy question
1603. Electromagnetics question
1604. power consumption
1605. accelerometer measures non inertial or inertial ref. frame
1606. Help Needed: Simple Audio Cancellation
1607. Escape Peaks
1608. Is stoke's number same as inertial impaction parameter??
1609. Using Spectrometer to measure soil nutrient solutions
1610. Disney's movie "Ice Princess" mistake???
1611. Need help with my university project
1612. [SOLVED] Two masses connected by string on a cliff...
1613. 6 point loads
1614. urgent Help with single slit diffraction (fraunhoffer)
1615. About force, mass, newton's 2nd law and inertial frame
1616. Hover Craft Physics
1617. Spectrometer vernier scale. Quick answer plz!
1618. Radius of Bomb Explosion
1619. physical variables wanted !
1620. Light Polarization
1621. Step down transformers & efficiency?!
1622. Help with single slit diffraction (fraunhoffer)
1623. Compton Edge Help
1624. lots of general questions
1625. Modeling eliptical motion of planets
1626. bend of light?
1627. Where do these constants in equations come from?
1628. Absorption of Light and Energy Conservation
1629. 'Surfer dude' ToE
1630. What is: Square root cut?
1631. Air turbulence in interferometry
1632. 4 dimesion objects
1633. Brillouin on entropy
1634. Double slit results that I can't explain, help!
1635. Advantages of a trailer
1636. Simple Harmonic Motion and Wave Motion
1637. Conservation of Angular Momentum
1638. Death by Shockwave
1639. How do two waves travel through eachother, coming out unchanged?
1640. Entropy problems
1641. Linear Least Squares Fit?
1642. how do I reduce the coeff. of friction against water?
1643. visual model for voltage
1644. Speed of magnetic propagation
1645. God the Computer; The Universe's Code
1646. Forces Applied to Bicycle Pedals
1647. How do you construct an OVEN THERMOMETER?
1648. Weight and shape of earth
1649. Question about the speed of light
1650. Light vs sound. No-unit vs candela.
1651. Water and heat
1652. Time Travel: Will it ever be possible, how soon, how far, etc.
1653. velocity of air, period, flutes and resonant frequencies ...
1654. Bourdon Gauge
1655. Definitions of few physics terms
1656. Stupid question
1657. Cool and hot days in summer?
1658. where I can find a subroutine to calculate schrodinger equation
1659. Incompressible Fluid simulation - SPH doesn't work :(
1660. Making an insulator become a conductor?
1661. Modeling Time to Cover Distance with variable acceleration
1662. dielectrics of water
1663. Infrared light and Heat
1664. E8 - The GUT?
1665. Poiseullie's Equation experiment
1666. MECHANICS! problems...
1667. is it possible for a stable system...
1668. Fundamenals
1669. Difficulty in understanding a Rocket travelling in space.
1670. Inertia
1671. Newtons third law question.
1672. Acceleration / velocity & safety
1673. "Arrow of Time?" I don't understand.
1674. What exactly is color?
1675. Cell Phones and Cancer
1676. rotational mechanics
1677. Question on rocket explosion~
1678. Coulombic charge of a battery pole
1679. measuring electric field
1680. Question Regarding electric field
1681. Pitch vs Noise?
1682. Why would dust be attracted to a CD wiped with a dry cloth?
1683. Wood's Replica Grating need help
1684. Angular Frequency and Angular Velocity
1685. jets speeding up earths rotaion
1686. Pendulum and gravity?
1687. tornadoes
1688. Hyrdostatic pressure problem
1689. Physics bridge?
1690. bullet speed
1691. Water psi effect on boat transducer
1692. Wind speed conversion
1693. Moment of Inertia
1694. I want to fabricate a pn junction
1695. Keeping worms warm
1696. got a question
1697. Good definitions?
1698. loop
1699. Lagrange with friction
1700. Water Rocket-density,temp,drag
1701. Egg drop
1702. Wave and sound
1703. mass spring constant question!
1704. A clear asymmetri in EM
1705. Calculating Light Level at a Point
1706. Heat transfer
1707. Drag coefficient of a Missile
1708. kinetic energy and momentum
1709. Does this soda can anti-gravity trick have any validity?
1710. Magnetism
1711. Perfect Conductors
1712. Meissner effect
1713. Solid angle acceptance of a muon telescope
1714. Light Sensor
1715. Optical computers and the speed of light
1716. Electrolysis Help
1717. Capillarity
1718. About two-photon microscopy
1719. How come no interferance takes place
1720. what was that one theory called...
1721. The Energy of laser
1722. waves in magnetic field
1723. electron mass formula
1724. static friction
1725. millikan's oil drop
1726. Sound Barrier
1727. Maximum temperature
1728. Explain the 90 degree rule in Billiards
1729. drag/friction on cylindrical surface
1730. Relation of radius to time
1731. loop-the-loop in roller coaster
1732. pdf about lagrangian dynamics
1733. Entropy change with angular momentum
1734. Another Mythbusters experiment
1735. Before it hits
1736. Percent Error
1737. Need help in Optics
1738. Solar Panel to Recharge Hybrid batteries???
1739. barbell vs dumbell
1740. Resolution
1741. Gyroscopes
1742. Torque
1743. Trampoline Problem!
1744. Physics of Wakeboarding/Waterskiing
1745. Flux equations question
1746. Boiling Water ?
1747. Quantization and heat vs work
1748. High school project to propel a toy rocket as high as possible
1749. paint on cars that change colour
1750. Photons
1751. New Kind of "Headphones"
1752. cold outside, warm inside
1753. [SOLVED] Faraday cage problem
1754. What's the power source
1755. Power
1756. radioisotope thermoelectric generator
1757. Will 4 sides FARADAY CAGE work?
1758. Are Photons and the EM field the same thing?
1759. Dynamical systems: celestial mechanics, Poincare, Laplace, butterfly effect
1760. Rocket Launch Question
1761. Drag vs Depth
1762. [SOLVED] Understanding CCTV lenses
1763. Coal-a clean fuel??
1764. [SOLVED] Water gushing out the barrel
1765. Trying to Understand Momentum
1766. Rocket Ship Question
1767. Pascal's barrel
1768. Are Elementary Particles Distinguishable?
1769. Curious.. Radio Frequency Blocked with Lead?
1770. Simple Harmonic Motion and Battleships
1771. Aether Physics
1772. Humans don't hear below ~20 Hz, so why can we hear a singular sound?
1773. Force of a car
1774. Angular Velocity (Omega)
1775. Wavepacket Envelope at Boundary
1776. what are some"advanced" physics of formula one?
1777. Mouse Trap Car, Materials Decision
1778. Centre of Mass
1779. efficiency of a hydrogen fuel cell
1780. Nasa's Shuttle
1781. Tea and the Coriolis force
1782. Matter and Space
1783. Light, Height?
1784. Entropy of a system
1785. Circular Orbits
1786. Fluid density and miscibility...
1787. newtons cradle
1788. Vaccuum at home.
1789. global warming investigatory project
1790. reflection and refraction
1791. Discharging
1792. weight of landing from jumping
1793. Questions about Photons
1794. Physics Slingshot Project Help
1795. Why things bounce
1796. excite a circuit
1797. Hovercraft
1798. Scaling Laws
1799. Kiteboarding problem using weights and pulleys
1800. Gravity = Megnetic Attraction?
1801. Bullet Question
1802. work done and friction
1803. Why does tension increase with distance
1804. Momentum vs. KE - which determines projectile penetration?
1805. Speed of light
1806. Syringe Aspiration
1807. hello and a quick question from a new member (Dive Watch Equation?)
1808. speed of sound
1809. Data
1810. Quick question on work
1811. spining formula
1812. Refractive index
1813. Basketball question
1814. popsicle bridge
1815. Kinetic Energy
1816. Regarding the density of an Object in another density layer
1817. Capacitance Meter Help
1818. AC In houses
1819. electric field of an infinite carged wire in a conductive medium
1820. Confused about Inductors
1821. Limitation of metallic sharpness from local electric field
1822. Unfrozen freezy pops...a bewitched frozen treat!
1823. Radar?
1824. Hooke's law
1825. Infrared technology
1826. Found this little atrocity on ZDnet
1827. Absolute Zero
1828. The Physics of A Human Landing and Rolling
1829. match index of refraction with water
1830. The temperature of a satellie's surface
1831. Light through Prism?
1832. nonconducting liquids
1833. Finding the distance an object will travel
1834. Position Function and its antiderivative
1835. Mirrors and reflections
1836. Kinetic frictional forces
1837. Radio waves
1838. [SOLVED] Physics Probs
1839. Inertia, Weight, and Friction
1840. Question about Ice in a drink cooler
1841. Testing of Impact Sensor--Verify G-Force Readings
1842. Source of image help
1843. feynmann lectures
1844. The mysterious photon
1845. Spring Constant of a Flexural Spring
1846. [SOLVED] Iron ions
1847. Width of Distribution?
1848. reduce magnetic radition from motors
1849. Question about Sonic Doppler Shift Speed Measurement
1850. Request
1851. Light going backwards?
1852. Circuit Sch