Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
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Achromatic lens design with crown and flint glass for 100cm focal length
- Guji_Gyal
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Change in energy = the heat absorbed by the calorimeter and the water?
- apchemstudent
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Diver's rotation rate when body length shortens by half
- NoHeart
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Struggling with an Integral Involving Natural Logarithms?
- kennis2
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What Is the Smallest Value of Time t for This Simple Harmonic Motion?
- PolarClaw
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Uniform convergence of sequence of functions
- twoflower
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What is the value of εr in a lossless dielectric with μr = 1?
- formulajoe
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How Does Changing the Length of a Meter Stick Affect Its Oscillation Period?
- squib
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What is the Angular Momentum of the Earth Due to its Rotation?
- vpea
- · Replies 5 ·
Calculating Quanta Emission Rate for a Radio Station at 103.7 MHz and 200 KW
- Jacob87411
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How you I determine the charge on the child's fingertip?
- Josh123
- · Replies 16 ·
How Do You Calculate Lateral Displacement in Refraction Problems?
- sghaussi
- · Replies 4 ·
Calculating Wavelength of Light in Glass Slab
- sghaussi
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What is the magnitude of the field?
- shikagami
- · Replies 6 ·
Magnetic Field of A Straight Conductor
- shikagami
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Spin Property of Particles: In-Depth Explanation
- CuriousJonathan
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Angular velocity of a block of mass
- WY
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Solve Z = x^2y - 2xy^2 + y - 8 and y = 2x^2 +3/x
- Becky
- · Replies 6 ·
Solving Physics Problem: Calculating Net Stretch for 55.3kg Person
- ninjagowoowoo
- · Replies 4 ·
Is pressure the same in all directions at a given depth in a fluid?
- crazy student
- · Replies 5 ·
Can You Calculate Planck's Constant Without Knowing the Energy of the Particle?
- admajoremdeigloriam
- · Replies 7 ·
Calculating Speed of Light in Glass Prism
- DDV805
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Force Exerted by Individual Molecules
- vworange
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Show that the sum 1/(x²+n²) tends to 0 as x approaches infinity
- broegger
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What are the connections between Catalan numbers and Pascal's Triangle?
- Townsend
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How Do You Calculate the Final Speeds of Pucks After a Collision?
- atlbraves49
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How Do You Solve These Harmonic Motion Problems?
- killerb3756
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How to Calculate Time for a Mass on a Spring to Reach Equilibrium Again?
- ninjagowoowoo
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Suggest a topic for me to write an essay about?
- nobb
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Maximum velocity when amplitude and period both double in SHM
- adrian783
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Calculating Gravity Acceleration on Planet Zog
- Punchlinegirl
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Solving Polarization Formula Problem: Get Help Now
- sghaussi
- · Replies 3 ·
Understanding Pascals Principal in detail
- DOCMUR
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Calculating the Final Temp of an XK8 Cylinder Using the Ideal Gas Law
- ~angel~
- · Replies 5 ·
Simple Harmonic Motion Tuning Fork Question
- ninjagowoowoo
- · Replies 4 ·
What Altitude Above Earth Gives a Gravitational Acceleration of 3.53 m/s²?
- Punchlinegirl
- · Replies 3 ·
How Far Apart Are Two Adjacent Nodes in a Standing Wave?
- Link
- · Replies 7 ·
Derivatives of logarithmic functions with power terms
- jzq
- · Replies 4 ·
How to Expand a Vectorial Function into a Taylor Series?
- elessar_telkontar
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Solving the Tuning Fork Problem: Maximum Speed and Kinetic Energy
- lollypop
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Finding Important Quotes in Hamlet Act 4
- student101
- · Replies 13 ·
What is the Correct Calculation for the Inertia Tensor in a 2D Rotation?
- CrusaderSean
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Cross product in non-cartesian coordinates?
- moonman
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Solving the Bullet-Block Impulse Problem
- VSCCEGR
- · Replies 14 ·
Why Does L' Hopital's Rule Fail for This Limit?
- RadiationX
- · Replies 18 ·
How to Design an Achromatic Lens with Crown and Flint Glass?
- suf7
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Which is positive when 90° < x < 180°?
- fork
- · Replies 6 ·
How Are Linear Accelerators and Synchrotrons Used in Medicine and Research?
- bill nye scienceguy!
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What Are the Correct Equations for Solving Magnetism Problems?
- shikagami
- · Replies 4 ·
Ultrasound Problem: Detecting Small Objects in Eye Scan at 20Mhz
- rlrennin
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Why do a line, plane and 3D space have the same cardinality?
- mprm86
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Does the Sequence a_n Converge or Diverge as n Approaches Infinity?
- ProBasket
- · Replies 8 ·
Centripetal and tangential acceleration in circular motion
- dagg3r
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Finding ice mass for a water-ice mixture to reach 35.5°C
- ~angel~
- · Replies 7 ·
Solving the Prism Mechanics Problem with Lagrangian & Constraints
- JohanL
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Are the Functions sin^2(x), cos^2(x), and cos(2x) Linearly Independent?
- Naeem
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How Do I Solve This Differential Equation Correctly?
- schattenjaeger
- · Replies 8 ·
Variation in Real World Examples: Types, Features, and Relationships
- drunkenfool
- · Replies 2 ·
Physics Website: Find Answers to Questions
- joejo
- · Replies 4 ·
Angular speed around a bar/clay system's center of mass after impact
- pixelized
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How to determine the mass of the second block in a spring and block problem?
- heather32283
- · Replies 10 ·
Is the Integral of ln(1+2^x) Correctly Calculated?
- UrbanXrisis
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How much heat is required to melt 104g of ice at 0°C?
- coey
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Why does the pipe reach the bottom first if it has greater rotational inertia?
- NoHeart
- · Replies 6 ·
Electricity/Electric Field Questions
- seiferseph
- · Replies 9 ·
How Do You Calculate Normal Force on an Inclined Plane?
- Vanity
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Finding molar volume of H2 from Mg ribbon reaction at STP
- courtrigrad
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What is the Limit of the Tangent Function as x Approaches 0?
- erik05
- · Replies 12 ·
How Do You Calculate and Test the Properties of Hydrated Alum?
- gunnar
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Ampere's Law: Solving Parallel Cylinder Problem
- Merrank
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Charge on fingertip during 5 mm spark to metal truck
- Josh123
- · Replies 16 ·
Platform on Springs: Find Effective Spring Constant & Oscillation Amplitude
- confused1
- · Replies 3 ·
Laplace transform of dy/dt = -y + t^2
- ColdFusion85
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Coulombs Law find the magnitude and direction ?
- airforce840
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AP Cal DE Problem 2004 BC 5: Finding Limits
- leon1127
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What is the proof of the Bolzano-Weierstrass Theorem?
- courtrigrad
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How to Solve Tough Circuit Questions: Current, Power, and Graphing Tricks
- scorpa
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Tightrope tension, table tipping, and cube sliding problems
- ninjagowoowoo
- · Replies 20 ·
Calculating Polar Moment of a Region Inside/Outside Circle and Cardiod
- VinnyCee
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Force on bike turning a corner: is F = μmg + mv²/R correct?
- Naeem
- · Replies 8 ·
Buoyant Force and Floating Objects in Accelerated Water
- destinee20
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Solving for velocity after elastic collision between two objects
- Silverbird
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AP Exam Review Answers: Access Free Response Solutions 1995-Present
- skivail
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Proving Algorithm for Searching Sorted Array
- SpatialVacancy
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Calculating E Field in an Infinitely Long Solenoid with Time Dependent B Field
- moonman
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Where does ray A go after passing through the lens edge?
- leolaw
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Voltage causing ventricular fibrillation through human body at 3097 Ohm
- jmandas
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Speed of a Body on a Smooth Surface over Time
- Bitupon
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Radii of Gyration for an Elliptical Plane Lamina
- naj24
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What is the Energy of the Atom's Initial State?
- quasar987
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Compute the speed of the tip of the second hand
- smoki
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Calculating Comet Halley's Speed at Perihelion
- Felix83
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Linear Transformations Rn->Rm Question
- haribol
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Ears popping when ascending or descending
- destinee20
- · Replies 3 ·
Stokes' theorem over a tetrahedron
- Reshma
- · Replies 3 ·
Find Thrust of Rocket: 1.9x10^3 kg with 2.5x10^3 m/s
- recon
- · Replies 3 ·
Ladder against a wall how simple
- ninjagowoowoo
- · Replies 7 ·
Minimizing an Action Integral: Solving for G(z)
- JohanL
- · Replies 3 ·
Converting into polar integrals from rectangular
- VinnyCee
- · Replies 2 ·