Introductory Physics Homework Help Forum

Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.

Threads

How Does Torque Affect Angular Momentum in Circular Motion?

  • EV33
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Acceleration of a pulley. Torque, and moment of inertia.

  • EV33
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2

Unbalanced Forces on Ramp with Tension

  • RivalDestiny
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Rotational kinetic energy and moment of inertia

  • court2011
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4

Grandfather clock torque homework

  • mvl46566
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1

How Do I Solve This Natural Logarithm Problem?

  • empty.soul
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Past paper question about rates

  • captainjack2000
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2
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What is the quantum of energy for an atomic oscillator in a block of magnesium?

  • kkranz_gatech
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11

Conservation of Momentum in a explosion

  • mvl46566
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1
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5

Finding Work Done by a Spring Force on a Pen

  • maw07005
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1

Solve Momentum Question: 5kg Object, 15 kg m/s, 8 m/s in 15s

  • zaga04
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Uniform centripetal acceleration

  • Panix
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2

Einstein's Predictions and the Role of Thought Experiments in Relativity

  • doc.madani
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How Is the Initial Upward Acceleration of a Weather Balloon Calculated?

  • matt_crouch
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3

What is the heat flow through the ceiling into the attic in 4.5h?

  • tquiva
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How to Improve the Smoothness of Thin Film Samples?

  • Geekio
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3

Calculating A in SHM from x, v & a

  • mudkip9001
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12

Heavy vs. Light Bungee Jumpers: Stored Energy Explained

  • Sam1234
  • · Replies 1 ·
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1

Orbital Velocity of Equatorial Satellite at 352,000 km

  • cortozld
  • · Replies 4 ·
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4

Change in thermal energy of gas

  • Beastegargoyl
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6

Pressure on a window of a submarine

  • indietro
  • · Replies 4 ·
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4

How long does a ball with a mass m take to hit the ground?

  • stephanna
  • · Replies 7 ·
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7

Hooke's Law derivation problem involving two blocks

  • Emethyst
  • · Replies 4 ·
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4

Multiple charges and coulombs law

  • chocoiste
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1

Spring Scale Readings for MassesSpring Scales Mass Force !

  • mr.mair
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3
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1

Pivoted coin: finding distance d for maximum oscillation frequency

  • Piglet1024
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1
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8

What is the distance between the motion sensor and the cart

  • Mr. Goosemahn
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3
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5
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F=MA + Average Acceleration etc.

  • balllla
  • · Replies 2 ·
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Understanding Gauss' Law for Electric Fields

  • sponsoredwalk
  • · Replies 7 ·
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7

Why does moment of inertia for a disk use (1/2)r² instead of r²?

  • driven4rhythm
  • · Replies 4 ·
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4
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3

Conical Pendulum with free sliding ring

  • Identity
  • · Replies 3 ·
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3

Projectile F=ma: -475 N & 3.00x10^3m/s^2 calc force

  • balllla
  • · Replies 2 ·
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2

Applied Force ,Kinetic Friction, Static Friction involving two stacked masses

  • abpandanguyen
  • · Replies 9 ·
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9

Relative velocity - find airspeed

  • Delta G
  • · Replies 1 ·
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1

Relating Potential Energy and Kinetic Energy with springs and inclines

  • abpandanguyen
  • · Replies 5 ·
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5

Kenetric Energys, verolcity and mass of a falling object?

  • stephanna
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Finding the acceleration of a balloon

  • kelsif
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2

Projectile Motion: Glider Release Speed and Time to Reach the Ground

  • Delta G
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3

Solving Heat Engine Problem: Power Output Calculation

  • abro369
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1

Bonus: How much energy did the bat transmit to the ball?

  • laurenyntema
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1

Physics: Specific heat capacity of a solid

  • mag_icando
  • · Replies 4 ·
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4

How to find the equivalent Resistance of these circuits

  • Aafour
  • · Replies 8 ·
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When the rocket reaches its maximum height, what is its kinetic energy?

  • laurenyntema
  • · Replies 4 ·
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4

What Equation Determines the Velocity for a Basketball Shot?

  • Leonof
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5

Magnetic Field of 10cm Square Loop w/ 0.3A Current

  • tag16
  • · Replies 9 ·
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9

How Is Displacement Calculated in Projectile Motion on Mars?

  • Delta G
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1

Solving Frictionless Pulley System: Acceleration & Tension Force

  • slobodan48
  • · Replies 6 ·
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Solve Torsional Pendulum Homework Statement

  • Bryon
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2

Calculating Maximum Kinetic Energy of a Vibrating Ball

  • rr263
  • · Replies 4 ·
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4

What is the velocity of each plane after three hours?

  • thovia
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Conceptual question about Faraday's Law

  • xcvxcvvc
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Energy and Momentum Problem HELP

  • Givhaa24
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Calculating Moment of Inertia of Sphere w/ Mass 100kg & Radius 1m

  • Kaxa2000
  • · Replies 13 ·
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Understanding the Oscillations of a Metronome

  • ACE_99
  • · Replies 3 ·
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3

Calculating Moment of Inertia of Particles & Cubes

  • joemama69
  • · Replies 2 ·
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Simple Harmonic Motion of a Rigid Body

  • Cintdrix
  • · Replies 2 ·
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Moment of Inertia 2: Kinetic Energy, Speed & Acceleration

  • joemama69
  • · Replies 1 ·
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1

Analyzing an Athlete's Performance Using a Force Platform

  • Zero Gravity
  • · Replies 4 ·
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4

How Do You Solve a Physics Problem Involving Two Masses and a Pulley?

  • joemama69
  • · Replies 1 ·
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1

Tin decay using separable equ's

  • jenettezone
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1

Acceleration of vehicle when given torque to the wheels

  • sngl_cam
  • · Replies 10 ·
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10

What is the capacitance of the circuit problem.

  • tag16
  • · Replies 2 ·
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2

Mechanics, Uniform Circular Motion

  • priscilla89
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3

How Fast Was the NASCAR Race Car Going?

  • TungYee32
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1
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Closed system piston cylinder device problem

  • ricof
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3

Moment of Inertia of a Disk and mass

  • drj1
  • · Replies 3 ·
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3

Calculating Work Done by Friction on a 55kg Cart with 200N Horizontal Force

  • williamx11373
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Multiple choice velocity/acceleration

  • williamx11373
  • · Replies 1 ·
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1

Latent heat of vaporization of H2O ?

  • mr.coon
  • · Replies 10 ·
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10

Solve Balloon Height: Buoyancy & Weight Problem

  • bolivartech
  • · Replies 4 ·
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4

Gravitational elevator (physics Torque question)

  • sweetiev
  • · Replies 1 ·
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1

Youngs Modulus. Copper wire experiment

  • Gregg
  • · Replies 7 ·
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7

Ball thrown from 490m building with 200m/s initial velocity

  • tolu
  • · Replies 5 ·
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5

Universal Gravitation and neutron stars

  • 1st2fall
  • · Replies 2 ·
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2

Solving the Cart Friction Problem: Calculating Work Done by Force of Friction

  • williamx11373
  • · Replies 1 ·
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1
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3

Solving Homework Equations for Speed

  • Power of One
  • · Replies 1 ·
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1

How to calculate resistance and voltage using a multimeter

  • jumbogala
  • · Replies 4 ·
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4

Solve Work Homework: -2.0cm & 4.69cm (Springs & Force 89N)

  • A_lilah
  • · Replies 1 ·
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1

Work and force problem (piano moving on an incline)

  • balletgirl
  • · Replies 3 ·
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3

Calculating temperature of a system

  • enjoi668
  • · Replies 10 ·
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10

Solve Energy Needed to Raise 2000kg Lift to 10m

  • kabton14
  • · Replies 1 ·
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1

Friction and accelerarion please check my work.

  • williamx11373
  • · Replies 1 ·
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1

Bernoulli equation (self made diagram)

  • Kaxa2000
  • · Replies 1 ·
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1

Confusion about momentum question

  • dark-ryder341
  • · Replies 1 ·
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1
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4

Is the Car's Motion and Acceleration Negative in Strobe Photography Analysis?

  • williamx11373
  • · Replies 1 ·
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Calculating Gauge Pressure in a Closed Tube

  • Beastegargoyl
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2