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

Physics homework vectors, magnitude and direction

  • triplel777
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Find average force during contact when ball hits wall.

  • hankliu
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6

Confused About Calculating Period in Circular Motion?

  • planck42
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2

Calculate the force exerted on the handle of a wheelbarrow

  • flin8812
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1
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4

Why Does Adding a Choke Dim an Electric Lamp in an AC Circuit?

  • uzair_ha91
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1

TitleElectric Field of Point Charges

  • fball558
  • · Replies 5 ·
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5

Changing the resistance of a voltmeter

  • pp280
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5

Acceleration of an electron in a constant electric field

  • gc33550
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3

Distance between 2 charged protons (i'm desperate)

  • bbhh
  • · Replies 7 ·
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7

How to Solve a Kinematics Problem Involving Acceleration and Time

  • Satyr
  • · Replies 3 ·
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3

Converging mirrors facing each other

  • jsalapide
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1

Easy Time Graph: Create Visuals Easily!

  • indep
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4

Calculating Distance of Runners from Flagpole When Paths Cross

  • alexistheman
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13

Can Explorers Communicate After Traveling 5 km North and 6 km Northeast?

  • JSOBOLEW
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10
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3

Collision between falling body and body shot upwards

  • jasper619
  • · Replies 8 ·
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8

Electric Field Calculations: Acceleration & Charges - Physics 2 Homework Help

  • mustang1988
  • · Replies 7 ·
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7

Finding height of a well using speed of sound

  • barge56
  • · Replies 3 ·
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3

Projectile motion: calculating time and distance

  • janelle1905
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3

Argument for relationship between scale length and frequency

  • Eric_meyers
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1

What is the initial velocity of a projectile on a sloped surface?

  • Jebus_Chris
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2

Describe the difference in sound between a flute and a violin?

  • drgatitafiera
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2

Calculating Displacement with Negative Work

  • Red_CCF
  • · Replies 7 ·
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7

Moving Ball on sloping surface issue

  • Chadlee88
  • · Replies 3 ·
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3

Solving for Water Pressure and Equilibrium in a Tube with a Piston

  • sonofahb
  • · Replies 5 ·
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5

Uniform ladder on a frictionless wall?

  • honestliar
  • · Replies 1 ·
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1

Kinematics (a lot, but most worked out & conceptual)

  • clairez93
  • · Replies 10 ·
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10

Calculating Kinetic Energy of a Running Cheetah

  • kajasu88
  • · Replies 6 ·
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6

Adding Resistors: How to Calculate Total Resistance

  • Dell
  • · Replies 4 ·
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4

Calculating Work & Friction for a Dog Pulling a Sled

  • jongro
  • · Replies 2 ·
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2

How Do You Calculate Mass and Density Using Dimensional Analysis?

  • montagical
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1
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5

When are unit vectors helpful?

  • TbbZz
  • · Replies 4 ·
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4

Fairly simple dimensional analysis- somehow gone wrong

  • tigerlili
  • · Replies 4 ·
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4

Finding Magnitudes of Displacement Vectors in Physics Homework

  • PhilCam
  • · Replies 8 ·
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8

Can You See a Wind Generator from 9000 Meters Away?

  • reservahoy
  • · Replies 2 ·
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2

What Acceleration Will the System Move With?

  • wicked_vixen
  • · Replies 1 ·
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1
  • Poll Poll

How Do You Calculate the Initial Velocity of a Rock Thrown from a Bridge?

  • dantheman3199
  • · Replies 16 ·
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16

Four charges in a plane. Finding the resultant Force

  • rphung
  • · Replies 2 ·
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2

Finding magnitude and direction of resultant force

  • azn4lyf89
  • · Replies 5 ·
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5

5 problems (Force, Height, Charge, Centripital)

  • LegendofMyth
  • · Replies 8 ·
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8

Unanswered Questions on Units in Grade XI Physics

  • XuryaX
  • · Replies 4 ·
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4

Differential equation of spring-mass system attached to one end of seesaw

  • Tahir Mushtaq
  • · Replies 1 ·
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1

Find Minimum Mass Needed to Move Block Up Incline: Problem in Mechanics

  • chacha1234
  • · Replies 13 ·
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13

What Happens to Momentum and Energy During an Inelastic Collision?

  • beeohbee
  • · Replies 8 ·
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8

Understanding the Relationship Between Force and Motion in Physics

  • jeekeshen
  • · Replies 14 ·
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14

What Are Different Ways to Define Energy in Physics?

  • gurrkin
  • · Replies 3 ·
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3

How Does Acceleration Affect Final Velocity in an Elevator?

  • Leo34005
  • · Replies 12 ·
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12

Diesel Engine driving a generator

  • talaroue
  • · Replies 20 ·
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20

Still trouble with time dilation

  • kait
  • · Replies 12 ·
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12

Finding Altitude: Calculating Earth's Gravitational Field Strength

  • slu1986
  • · Replies 1 ·
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1

Investigating a Gravity Car: Calculating Friction & Distance

  • hazman900
  • · Replies 3 ·
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3

What is the Fourier Transform of f(-x)?

  • likephysics
  • · Replies 2 ·
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2

Acceleration Deceleration Physics Problem

  • spaceshipone
  • · Replies 1 ·
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1

A tire sliding about a fixed point

  • Zauce
  • · Replies 16 ·
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16

Why Is an Exponential Model Suitable for Simulating Radioactive Decay?

  • luysion
  • · Replies 6 ·
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6

Equilibrium Uniform Beam Problem

  • Amar.alchemy
  • · Replies 3 ·
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3

Constant Acceleration of a cheetah

  • 12345ME
  • · Replies 15 ·
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15

Average speed problem What am I missing?

  • xXOfNiRXx
  • · Replies 6 ·
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6

How Does a Catapult Calculate Force and Initial Velocity for a Projectile?

  • rebeccah78
  • · Replies 2 ·
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2

Some confusion on electron volt

  • dragonlorder
  • · Replies 4 ·
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4

Cheetah Acceleration: Solving Homework Problem in 3.2s

  • 12345ME
  • · Replies 1 ·
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1
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3
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4

Calculating Average Speed: Meeting Your Travel Goal in AP Phys B | 113 km/h

  • bleedblue1234
  • · Replies 8 ·
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8

Rotational Dynamics-Moment of inertia

  • janelle1905
  • · Replies 10 ·
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10

How to find the final height of a moving object

  • lordloss
  • · Replies 3 ·
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3

Voltage Drop across multiple resistors

  • talaroue
  • · Replies 9 ·
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9

A rock dropped from a cliff using speed of sound

  • ndnkobra
  • · Replies 10 ·
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10

Solving an Inconceivable Problem: Comparing Methods for Calculating Vc

  • vebes02
  • · Replies 5 ·
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5

How to Solve for Unknowns in a Complex Circuit Equation?

  • talaroue
  • · Replies 5 ·
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5

Inductive and Capacitive Reactances - AC circuits

  • uzair_ha91
  • · Replies 3 ·
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3

Finding maximum acceleration with COF of Ms

  • koolj
  • · Replies 9 ·
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9

The Work-Energy Principle & Kinematic Eq'ns to calculate speed

  • janelle1905
  • · Replies 4 ·
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4

Calculating F using Sig Figs | (5/9) (6.5) + 32

  • Ognerok
  • · Replies 6 ·
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6

Finding the Maximum Electric Field of a Charged Ring Using Derivatives

  • exitwound
  • · Replies 11 ·
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11

Static equilibrium: calculating force of tension

  • janelle1905
  • · Replies 7 ·
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7

Why is angular frequency used in simple harmonic motion?

  • ethascar
  • · Replies 3 ·
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3

Solving Spring Mass System Homework: Equations of Motion & Linearization

  • James_Frogan
  • · Replies 10 ·
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10
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2

Sound Interference: Calculating Minimum Distance Between Speakers

  • Dazz4C
  • · Replies 1 ·
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1

Difference in depth between the swimmer and its image

  • jsalapide
  • · Replies 1 ·
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1

Solve 1D Infinite Potential Well: Find Energy Levels & Wavelengths

  • weds
  • · Replies 2 ·
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2

Which Axes Should a Coil Rotate Around to Induce EMF?

  • uzair_ha91
  • · Replies 9 ·
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9

Solve Kinematics Problem: 2 Stones Meeting at Height

  • marco101
  • · Replies 3 ·
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3

Balancing area of a loop and magnetic field through it

  • uzair_ha91
  • · Replies 1 ·
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1

Velocity, acceleration, and position graphs

  • Porcelain
  • · Replies 2 ·
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2

How Far Does the Cop Travel to Catch the Speeder?

  • nhsu
  • · Replies 1 ·
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1

How shud i apply lenz's law to this?

  • uzair_ha91
  • · Replies 5 ·
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5

Dropping a Ball off a cliff collision

  • George3
  • · Replies 5 ·
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5

Derivation of Doppler Shift from Frequency to Wavelenght

  • IBY
  • · Replies 11 ·
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11

What are the components and magnitude

  • Panix
  • · Replies 1 ·
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1

My last kinematics batch (conceptuals)

  • clairez93
  • · Replies 2 ·
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2

This is the correct average velocity for the entire trip.

  • pillar
  • · Replies 3 ·
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3

Calculating Microwave Oven Energy Transfer: What Information Do I Need?

  • ninjadrummer8
  • · Replies 5 ·
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5
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7

Finding an angle given only the Coefficient of static friction

  • slu1986
  • · Replies 5 ·
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5

Solving for the X and Y components of a Vector

  • slu1986
  • · Replies 4 ·
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4

Dynamics: Acceleration as a function of position

  • kirab
  • · Replies 9 ·
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9