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.

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Statistics of charged beads in electric field

  • Beer-monster
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3
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Speed of two repelling point charges released from rest

  • PeachBanana
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One Dimensional Motion Question

  • Bahadar
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Use Newtonian Model to determine what the scale reads

  • xyphr
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Solve physics problem using trigonometry knowing what are you doing

  • blob84
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5

Why does a rotating chain become horizontal?

  • Lindsayyyy
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Can't use a simple integral properly-must be retarded

  • cantRemember
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5

Angular displacement of a curve ball

  • jmgXD6
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8

How Much Sand Equals the Surface Area of a Cube?

  • djkinney
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What Determines the Motion of a Hockey Puck on a Frictionless Surface?

  • Demmy
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26

Calculating Distance for a 15 Minute Lead: Kinematics Question Explained

  • jesusu2
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4

Calculating Walking Speed Based on Average Velocity and Distance Traveled

  • yeahman68
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6

Find magnitude of a force on a ring.

  • Colts
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17

Laying on the beach while sunseting question

  • djkinney
  • · Replies 12 ·
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12

Collision of a stationary ball with a moving ball

  • hms.tech
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How Far Will You Travel Before Catching Up with the Biker?

  • Butterfly30
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2

How to Design a Digital System for Multiplying Binary Numbers?

  • rumbidzayi
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How to find power of an engine in UCM?

  • chrishans
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1
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2

1st Law of Thermo, work in a piston.

  • twmggc
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3

Electric field intenstity of a cube

  • navya17
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What are the physics behind quantum computing?

  • sick1
  • · Replies 4 ·
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4

Velocity and acceleration and drag

  • marco12345a
  • · Replies 6 ·
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6

Show that y(x,t)=y1(x,t)+y2(x,t) is a solution to the wave equation

  • Duderonimous
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4

Acres to miles: conversion problem (book error?)

  • Genecks
  • · Replies 1 ·
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Final temperature in reversible expansion

  • twinklestar28
  • · Replies 2 ·
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Electric field magnitude between two charged disks

  • mateo710
  • · Replies 4 ·
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4

Can you simplify dimensional analysis for me?

  • therealDR.DOG
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4

Computing the angles of Vector to x,y,z axisses

  • LVanderlinden
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How can we determine the biggest magnetic force on a wire?

  • songoku
  • · Replies 7 ·
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Power consumption of a human running

  • arkturus
  • · Replies 3 ·
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Why are reference angles necessary in trig

  • Luke77
  • · Replies 4 ·
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4

[Electric Charge Force] I swear I'm doing this right.

  • Gr33nMachine
  • · Replies 4 ·
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4

Simple math problem in one dimension

  • Slusho
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Checking sources of error in five lab experiments

  • Shordaay
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2

Resultant force from three forces.

  • Colts
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2
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1

Second Half of a Trip - Speeding tickets

  • kchurchi
  • · Replies 7 ·
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7

How many ping-pong balls fit in a room?

  • albinoboy
  • · Replies 10 ·
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10

How Can I Learn Vector Basics for Physics Homework?

  • chewykid92
  • · Replies 5 ·
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5

Nonuniform Volume Charge in a Cylinder

  • ur5pointos2sl
  • · Replies 14 ·
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14

Energy Stored Charge Configuration w/ Picture

  • PeachBanana
  • · Replies 11 ·
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11

Magnitude of Displacement for Harmonic Oscillator

  • Dortega120
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Diffraction grating diagram for 520 nm and 630 nm light

  • alicia113
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Proton launched between parallel plates with charge density 36nC/m²

  • mcano
  • · Replies 6 ·
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6

The moment of inertia of a group of seven pennies

  • warfreak131
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6

Calculating Work Function of Metal in a Photocell

  • SirNevermind1
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Pendulum consists of a rod of mass m attached to a light rod

  • cler
  • · Replies 1 ·
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Finding dimensions of partial derivatives of force with respect to distance

  • pyroknife
  • · Replies 1 ·
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1

Understanding Conservation of Momentum

  • saravananrame
  • · Replies 2 ·
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Objective problem regarding friction.

  • sankalpmittal
  • · Replies 14 ·
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14

AP Physics C lab involving incline planes featuring motion laws

  • godmodex
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2
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How to find/graph instantaneous speed vs time

  • Arooj
  • · Replies 7 ·
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Charging a spherical shell by conduction

  • bigplanet401
  • · Replies 4 ·
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4

How Is Electric Potential Difference Calculated from Work and Charge Movement?

  • PeachBanana
  • · Replies 5 ·
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Dropping a bundle from a plane: Using Newton's Second Law

  • cytochrome
  • · Replies 1 ·
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Need find end velocity given accel., time, distance

  • LVanderlinden
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1

What Determines the Shape of an Atom?

  • hyurnat4
  • · Replies 1 ·
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1

Nonuniformly charged spherical surface

  • ur5pointos2sl
  • · Replies 22 ·
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22

Three point charges are arranged on a line.

  • Mdhiggenz
  • · Replies 5 ·
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5

What Are the Effects of Five Charges in an Electrical Field?

  • xma123
  • · Replies 12 ·
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12

Single slits involving one source of monochromatic light

  • alicia113
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How Do You Calculate the Third Maximum Position in Single Slit Diffraction?

  • alicia113
  • · Replies 1 ·
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Conservation of momentum problem from SAT II

  • incog13
  • · Replies 10 ·
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10
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2

Minimum volume of ice slab for a 45 kg woman to stand on

  • Mosaness
  • · Replies 16 ·
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Momentum, Impulse and collisions Q

  • leechyeah
  • · Replies 19 ·
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19

Need guidance on finding charge.

  • cidr1337
  • · Replies 20 ·
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20

How Much Force Is Exerted on the Floor When Pushing a Box?

  • jamesblim168
  • · Replies 4 ·
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How to calcoulate force applied?

  • jamesblim168
  • · Replies 3 ·
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Forces on a weight stack pulling horizontally

  • llhalsey
  • · Replies 5 ·
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Three-ball collision problem with coefficient of restitution 0.85

  • apamnani1
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2

Is Magnetic Field Work Always Zero in Current-Carrying Conductors?

  • smatik
  • · Replies 3 ·
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How Does Energy Loss Affect a Ball's Motion in Gravity?

  • norhh
  • · Replies 21 ·
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21

Thin rod standing upright tips over

  • cler
  • · Replies 4 ·
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Verifying motion in one dimension problem answers

  • Anubis951
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2

How Do You Calculate Friction Forces for a Car on a Flat Surface?

  • H4NS
  • · Replies 3 ·
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3

Circuit Simplification (Equivalent Resistance)

  • Bcranger 0
  • · Replies 9 ·
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9

Gamma ray colliding with an electron

  • lcd123
  • · Replies 2 ·
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2

Force of electric field and distance

  • azurken
  • · Replies 5 ·
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5

Proof that gravity equals 9.8 metres per second?

  • EasyTheySaid
  • · Replies 9 ·
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9

Mass concentration of water vapor at 273 K from partial pressure

  • Nimmy
  • · Replies 1 ·
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1

Finding x and y pixel coordinates for a projectile game equation

  • CheatyFace
  • · Replies 20 ·
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20

Projectile on horizontal surface

  • Darth Frodo
  • · Replies 4 ·
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4

How far will a motorcycle travel before coming to a halt?

  • Kartik.
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Solving Mechanics Problem with Friction Force

  • kushan
  • · Replies 35 ·
2
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Calculating Air Velocity in a Pipe

  • Karol
  • · Replies 4 ·
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4

How Do You Calculate Average Speed in a Mixed-Speed Relay?

  • cowmoo32
  • · Replies 12 ·
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E&M honors project topics with calculus 2 background

  • jonathan1
  • · Replies 6 ·
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6

How Long to Heat Air from 35°C to 1000°C with a 1400W Heater?

  • blazerman
  • · Replies 5 ·
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5

Determining the magnitude of the magnetic field acting on a particle

  • expatiated
  • · Replies 2 ·
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Determining the radius of curvature mass spectrometre question

  • expatiated
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Initial velocity of projectile given angle and max height

  • ulfy01
  • · Replies 2 ·
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Same temperature, but different volume?

  • dawn_pingpong
  • · Replies 15 ·
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Finding g from a pendulum experiment with period measurements

  • cpriyan
  • · Replies 2 ·
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Simple Harmonic Motion-Vertical Spring

  • PhysicsIzHard
  • · Replies 13 ·
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13