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

Rutherford Scattering Derivation

  • Dalkiel
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1

Vertical Projectile Motion, Calculate height

  • TheRedDevil18
  • · Replies 21 ·
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21

Double check multi-choice questions on concepts

  • AFSteph
  • · Replies 3 ·
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3

Net Torque: Determine Magnitude from Ladder Base

  • nickb145
  • · Replies 3 ·
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3

A multistep/multiconceptual spring force challenge

  • Rayquesto
  • · Replies 1 ·
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1

How to Calculate Final Temperature in a Water and Aluminum System?

  • MAC5494
  • · Replies 2 ·
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2

Using Newtons law and mechanical energy?

  • jimmyboykun
  • · Replies 5 ·
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5

Calculate the force required to pull the truck

  • oMovements
  • · Replies 1 ·
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1

Solving Free Body Diagrams Homework

  • princejan7
  • · Replies 1 ·
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1

Improve Your Physics Lab Skills with Expert Help | Boost Your Grades!

  • physicsuser1
  • · Replies 1 ·
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1

What is the average force on a baseball after being hit by a bat?

  • javacola
  • · Replies 9 ·
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9

Damped oscillator given odd initial conditions

  • oddjobmj
  • · Replies 2 ·
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2

Length on vibrating section of violin

  • chicagobears34
  • · Replies 4 ·
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4

What is the safe speed limit for a car on a curved highway?

  • jimmyboykun
  • · Replies 4 ·
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4

Momentum Question: Calculating X & Y Component After Collision

  • riley_5000
  • · Replies 5 ·
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5

Conducting shell and proton with KE

  • origamipro
  • · Replies 8 ·
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8

School Projectile Motion Problem

  • jaysinghrath
  • · Replies 2 ·
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2

Understanding the Motion of a Bead on a Rotating Rod

  • Saitama
  • · Replies 16 ·
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16

How to Derive the Magnetic Moment for a Rotating Charged Sphere?

  • sankalpmittal
  • · Replies 11 ·
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11

Conservation of linear momentum problem

  • coldblood
  • · Replies 7 ·
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7

Why Do Significant Digits Include Uncertain Numbers?

  • Gauss M.D.
  • · Replies 1 ·
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1

Does Zero Work Imply Unchanged Speed and Velocity?

  • jimmyboykun
  • · Replies 5 ·
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5

Calculating Static Spring Deflection in Basic Harmonic Motion

  • Leiws25
  • · Replies 1 ·
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1

Finding the force during impact

  • koii123
  • · Replies 7 ·
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7
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26

Calculating Work: Pressure and Volume Relationship for a Blown-Up Balloon

  • Bahamas
  • · Replies 1 ·
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1

Understanding Relativistic Mass Increase at the LHC

  • bobie
  • · Replies 26 ·
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26

Finding Net Force [w/ Vector Addition]

  • harujina
  • · Replies 5 ·
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5

Magnitude of friction force between two boxes

  • Physycs
  • · Replies 13 ·
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13

Problem with Bernoulli's equation

  • Loopas
  • · Replies 5 ·
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5

Simple Harmonic Motion (Pendulum)

  • KMcFadden
  • · Replies 5 ·
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5

Two questions that I don't really don't understand

  • hey123a
  • · Replies 2 ·
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2

PV power plant efficiency math problem?

  • courtneywetts
  • · Replies 23 ·
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23

Rocket Explosion Momentum Problem: Troubleshooting for EIT Review

  • cmmcnamara
  • · Replies 2 ·
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2

One Dimensional Collisions: Analyzing Impulse and Average Forces

  • Cwhitlatch32
  • · Replies 2 ·
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2

Find Values of p & c in Waves & Resonances Equation

  • CharlieChurch
  • · Replies 2 ·
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2

Circular Motion of an amusement park ride

  • frownifdown
  • · Replies 1 ·
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1

Heat transferred in a cyclic process

  • CAF123
  • · Replies 18 ·
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18

Gravity problem with non constant acceleration

  • inferno298
  • · Replies 3 ·
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3

Determining stable and unstable equilibrium points

  • chipotleaway
  • · Replies 11 ·
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11

Force from a Kinetic Energy Function

  • Dustinc
  • · Replies 8 ·
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8

What Is the Coefficient of Static Friction on a 17 Degree Incline?

  • Eruditisunium
  • · Replies 1 ·
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1

Finding Max Range With 2 Angles

  • Grunstadt
  • · Replies 1 ·
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1
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5

Force of attraction between mars and its moon

  • Irishtank
  • · Replies 6 ·
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6

Explanation of an angular momentum term

  • Levi Tate
  • · Replies 4 ·
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4

Q Factor & Run Time of Pendulum

  • oddjobmj
  • · Replies 3 ·
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3

Solving Sliding Friction Homework: F=ma & Nuk

  • gcharles_42
  • · Replies 2 ·
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2

Calculating Weight in an Elevator

  • rysezhae
  • · Replies 1 ·
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1

Projectile motion of a cannonball

  • Coco12
  • · Replies 7 ·
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7

How Does a Force Impact Final Velocity in One-Dimensional Collisions?

  • Cwhitlatch32
  • · Replies 2 ·
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2

What is the flux through each face of the pyramid?

  • origamipro
  • · Replies 2 ·
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2

Ferris Wheel Weight of the Rider

  • woaini
  • · Replies 5 ·
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5

How Do You Calculate Projectile Motion and Vertical Displacement?

  • Coco12
  • · Replies 3 ·
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3

Astronomy homework question - stars emitting in infrared

  • akela
  • · Replies 1 ·
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1

Elementary spring and mass question

  • chipotleaway
  • · Replies 8 ·
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8

Calculating Buoyant Force for a Suspended Cylinder in an Unknown Fluid

  • astru025
  • · Replies 5 ·
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5

How Fast Does the Center of Mass of a Falling Stick Move?

  • Tanya Sharma
  • · Replies 34 ·
2
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34

Accelerometer - device on a parabolic track

  • Shinaolord
  • · Replies 22 ·
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22

Derive EM Field in a 1D PC Hill Equation from Maxwell's Eq's.

  • zhillyz
  • · Replies 1 ·
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1

Finding Vx, Is, and Power in a Dependent Source

  • sevag00
  • · Replies 14 ·
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14

Can a Sphere Roll Without Slipping on a Frictionless Surface?

  • Saitama
  • · Replies 3 ·
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3

Electric Field of a hollow conducting spherical shell

  • swervin09
  • · Replies 7 ·
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7

Reciprocating Compressor Experiment.

  • SherlockOhms
  • · Replies 6 ·
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6

How does the efficiency of a reactor affect the amount of power it produces?

  • stalebrownies
  • · Replies 1 ·
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1

Final Velocity in parallel plate capicator?

  • outxbreak
  • · Replies 13 ·
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13
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4

Rotational motion of rear wheels

  • TeeNaa
  • · Replies 3 ·
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3

How Is Elastic Potential Energy Calculated in a Compressed Diving Board?

  • dancerina
  • · Replies 3 ·
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3

Uniform Circular Motion: Solving for String Tension

  • QCHabsQC
  • · Replies 3 ·
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3

Finding the Position Vector for Opposite and Half Torque on the Y Axis

  • bzhagar
  • · Replies 1 ·
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1

Kinetic Friction Problem [FORCES]

  • harujina
  • · Replies 2 ·
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2

Solving Free Body Diagrams with 1.9kg Object & F1=5, F2=2

  • frownifdown
  • · Replies 3 ·
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3

Calculating Tension in Cables: 1000N Beam with 2000N Filing Cabinet

  • astru025
  • · Replies 4 ·
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4

Calculate the change in length of year due to change in Sun's mass

  • NewSoul
  • · Replies 2 ·
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2

Finding the Hypotenuse with the Given Vector

  • frownifdown
  • · Replies 7 ·
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7

Linear speed and magnitude of linear acceleration

  • Hambone12
  • · Replies 1 ·
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1

Final temperature - Thermodynamics problem

  • Doyouevenlift
  • · Replies 1 ·
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1

Forces in a homogeneous electric field

  • tomkoolen
  • · Replies 2 ·
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2

What Forces Act on a Ladder Against a Wall?

  • B4ssHunter
  • · Replies 8 ·
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8

What is the Polytropic Exponent, n Value for a Singular Repeating Compressor?

  • SherlockOhms
  • · Replies 2 ·
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2

Projectiles - person kicks a soccer ball at an angle

  • Coco12
  • · Replies 15 ·
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15

Initial velocity given distance, height, theta. Projectile motion

  • hey123a
  • · Replies 8 ·
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8

How to find forces acting on object on a slope?

  • urbano
  • · Replies 7 ·
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7

Find ε1: EMF Homework on Infinite Straight Wire & Conductor Loop

  • fredrogers3
  • · Replies 1 ·
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1

Amount of Revolutions Based on Multiple Radii

  • woaini
  • · Replies 12 ·
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12

Solving for Muon Speed & Neutrino Energy

  • stefan10
  • · Replies 1 ·
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1

Kmh. Vector Drawing Help: Homework Equations & Solutions

  • Confetti
  • · Replies 2 ·
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2

Center of mass with 2 people, a medicine ball, and a beam

  • nathancurtis11
  • · Replies 1 ·
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1

Calculating Electric Field at the Center of a Hemispherical Shell of Charge

  • swervin09
  • · Replies 5 ·
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5

2 pulley system with three masses. Find the two outside masses.

  • manderzz
  • · Replies 2 ·
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2

Centripetal Acceleration HELP. Is it challenging? Well come find out

  • TwoTeez
  • · Replies 6 ·
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6

Optimizing Ramp Length for Unicycle Climbing

  • woaini
  • · Replies 8 ·
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8

RC circuit question(Charging A Capacitor)

  • lionely
  • · Replies 13 ·
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13

What Weight Can a Wooden Block Support Before Sinking?

  • astru025
  • · Replies 13 ·
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13

Find Min Torque to Lift 15kg Bundle of Shingles

  • insidelace
  • · Replies 1 ·
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1

Calculating the collusion and loss of energy?

  • Matriculator
  • · Replies 8 ·
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8

Circuit Problem involving resistors and a switch

  • yaro99
  • · Replies 4 ·
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4

Equations for Accelerated Motion (Two problems)

  • Medgirl314
  • · Replies 18 ·
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18

Where should I begin with this problem?

  • jimmyboykun
  • · Replies 3 ·
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3