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

Diverting a beam of charged particles using M.F.

  • zorro
  • · Replies 2 ·
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2

How Much Additional Mass Can a Floating Glass Hold Before Sinking?

  • C-A-L
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1

Simple Harmonic Motion and equilibrium

  • Patdon10
  • · Replies 5 ·
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5

How Do You Calculate the Gravitational Force in a Hydrogen Atom?

  • xArashix
  • · Replies 9 ·
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9

Calculate speed, given radius and angle.

  • Ienjoytrig...
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1

Calculating % Error in Magnetic Field

  • qswdefrg
  • · Replies 1 ·
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1

Change in entropy for adiabatic compression

  • Bugsy23
  • · Replies 1 ·
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1

Build a Roller Coaster: Tips for 2 Loops & 2 Hills

  • Chem4Life
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2

This should be an easy one units in Pressure formula

  • trunksbomb
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1

What Does Calibration Reveal About Absolute Zero?

  • AHinkle
  • · Replies 1 ·
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1

How Far Is Halley's Comet from the Sun?

  • xArashix
  • · Replies 1 ·
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1

Solving Simple Harmonic Motion: Cart Position and Time Comparison

  • asz304
  • · Replies 2 ·
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2

Resistor Shorting and Kirchhoff's Rule Explanation

  • member 217843
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1
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2

Finding rafts velocity relative to the water using 2 masses and one velocity

  • darktrini123
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2

Ideal gas law and a bicycle pump

  • LizzleBizzle
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1

Location of Solar System object

  • jbaratta
  • · Replies 14 ·
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14

How to Easily Calculate Frequency?

  • smpolisetti
  • · Replies 1 ·
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1

Calculating harmonics of a copper wire

  • gboff21
  • · Replies 1 ·
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1

Moment of inertia and rotational kinetic energy prob

  • pb23me
  • · Replies 2 ·
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2

Throwing ball out of a moving car

  • cashmoney805
  • · Replies 10 ·
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10

Merry go round, rotational dynamics

  • pb23me
  • · Replies 6 ·
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6

Conservation of energy and fricion

  • haha01hah
  • · Replies 1 ·
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1
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1

How long time until it hits the ground

  • anthroxy
  • · Replies 1 ·
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1

Radius of Curvature in a simply supported beam

  • spggodd
  • · Replies 7 ·
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7

Does an Object's Thermal Energy Decrease as Its Temperature Drops?

  • mogibb1
  • · Replies 1 ·
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1

Understanding Acceleration and Friction in a Block Over Block System

  • vissh
  • · Replies 5 ·
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5

Coefficient of sliding friction and distance travelled

  • Bugsy23
  • · Replies 1 ·
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1

Jump Over Log with Least Effort: Analyzing Velocity vs Angle

  • tempneff
  • · Replies 24 ·
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24

Michelson and Morley Aether Experiment

  • midgetwars
  • · Replies 5 ·
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5

Velocity after collision (elasticity)

  • DrMcDreamy
  • · Replies 15 ·
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15

Total energy supplied to a flyball governor

  • Bugsy23
  • · Replies 1 ·
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1

Magnetic Field of a Straight Current-Carrying Wire

  • hx35
  • · Replies 8 ·
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8
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6
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4

I dont understand some part of work energy theorem

  • madah12
  • · Replies 3 ·
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3

Finding Density using STP and Molar Mass

  • dredre
  • · Replies 2 ·
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2

What Is the Rotational Angular Momentum of a Barbell System?

  • ohheytai
  • · Replies 13 ·
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13

1-D Inelastic Block Collision and Spring Compression w/photo

  • Yamahonda450
  • · Replies 6 ·
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6

Small Conceptual Relativistic Energy Question

  • mmmboh
  • · Replies 1 ·
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1

Gravitational Potential Energy of a System

  • blackheart
  • · Replies 1 ·
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1

Calculating Frequency of Electron Orbit in Hydrogen Atom

  • donut166
  • · Replies 1 ·
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1

Work and Energy involving velocity

  • AfroQueen
  • · Replies 4 ·
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4

Conservation of momentum in an inelastic collision

  • Runaway
  • · Replies 1 ·
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1

Solving Torque: R=9cm, F=18N, d=30cm

  • ohheytai
  • · Replies 9 ·
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9

Internal resistance of a battery

  • AvoHead
  • · Replies 1 ·
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1

Buoyancy problem: Deriving an equation for volume of a floating object

  • Hairy Biped
  • · Replies 3 ·
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3

Calculate Magnitude & Direction of Gravitational Field at 4th Corner

  • blackheart
  • · Replies 1 ·
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1

Finding Distance: Solve for Height from 1.77s Drop Time

  • mmaggiee
  • · Replies 1 ·
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1

Problem involving angular momentum

  • issacnewton
  • · Replies 2 ·
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2

Significant Figures in Average Velocity Calculation

  • michaelplease
  • · Replies 1 ·
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1

Question Regarding Thermal Energy

  • dismalice
  • · Replies 8 ·
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8

Rank the following waves in order

  • sona1177
  • · Replies 7 ·
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7

Centripetal Force Lab Data Analysis

  • rahrah094
  • · Replies 1 ·
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1

Help with deriving an equation (coloumb's law, pith ball charges)

  • rad5brandon
  • · Replies 1 ·
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1

Energy Problem Involving KE and PE

  • jcfor3ver
  • · Replies 1 ·
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1

Theory type Question of Static Equilibrium

  • AVQueen87
  • · Replies 2 ·
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2

Help Solving a Difficult Book Problem: Step by Step Guide

  • thatoneguy123
  • · Replies 1 ·
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1

Uncovering the Mystery behind My Investigation: The Theory Review

  • SugerQueen
  • · Replies 1 ·
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1

Estimate Melting Point of Lead at 100 atm

  • bon
  • · Replies 6 ·
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6

Double Slit Quantum and Electricity Experiment

  • harrietstowe
  • · Replies 1 ·
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1

What is the border line that constitutes v c

  • chris_0101
  • · Replies 1 ·
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1

Simple Harmonic Motion (Mass on a Spring)

  • seichan
  • · Replies 3 ·
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3

Is Work Done by the Sun in a Circular Earth Orbit?

  • Saraharris38
  • · Replies 1 ·
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1

Clausius Clapeyron Equation of lead

  • bon
  • · Replies 1 ·
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1

Oscillation Frequency and Spring Constant

  • katdesutter
  • · Replies 2 ·
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2

What Force Does a Concrete Support Exert at One End of a Bridge?

  • Hypnos_16
  • · Replies 1 ·
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1

Half life of a radio active element

  • logearav
  • · Replies 2 ·
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2

Ft = 0.202"Calculating Forces on a Lunch Tray: Thumb and Finger Forces

  • Hypnos_16
  • · Replies 1 ·
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1

Kepler's 3rd Law, circular orbit, 2 planets

  • zwingtip
  • · Replies 2 ·
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2

Destructive interference, two speakers

  • skyline_2k7
  • · Replies 1 ·
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1

Degrees of Freedom for a Triatomic Molecule

  • vineroon
  • · Replies 2 ·
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2

Need help to find application of the Fourier series and Fourier Transforms

  • paul-martin
  • · Replies 8 ·
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8

Buoyancy and Weight of the Fluid Displaced

  • theeringirl
  • · Replies 1 ·
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1

What is the Mass of Oxygen in a Leaking Tank?

  • CJIME017
  • · Replies 2 ·
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2

Slipping before rolling (Rotation)

  • weesiang_loke
  • · Replies 3 ·
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3

Falling thin rod and angular speed

  • wondermoose
  • · Replies 3 ·
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3
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2

So you'd use the top loop and the right-hand loop.

  • Princess19
  • · Replies 7 ·
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7

Having a hard time grasping the concept with momentum

  • TeaWay
  • · Replies 7 ·
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7

Propagation of Light from Maxwell's 3rd & 4th Eqns

  • Schr0d1ng3r
  • · Replies 4 ·
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4

Calculating Required Force for Pushing a Block on an Inclined Ramp

  • jolee'11
  • · Replies 2 ·
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2

At what rate does it emit energy by radiation?

  • acg7160
  • · Replies 5 ·
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5

How Does Ampere's Law Calculate Current in a Uniform Magnetic Field?

  • ineedhelp5454
  • · Replies 4 ·
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4

Simple Ideal Gas Law but i keep getting it wrong

  • acg7160
  • · Replies 3 ·
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3

Using a pendulum to determine g using T = 2π√(l/g)

  • TaraMarshall
  • · Replies 1 ·
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1

Rotational Motion dynamics problem

  • miamirulz29
  • · Replies 1 ·
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1

Pendulum Theory; how to improve accuracy to determine g

  • TaraMarshall
  • · Replies 1 ·
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1

Thick lens problem, transfer matrices

  • fluidistic
  • · Replies 2 ·
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2

T: What is the Minimum Distance for No Slipping in Static Equilibrium?

  • nameVoid
  • · Replies 1 ·
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1

How Does a Cannon's Recoil Relate to Momentum Conservation?

  • TeaWay
  • · Replies 2 ·
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2

Regarding the definition of Work

  • Abelard
  • · Replies 5 ·
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5
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1

Force on a Point Charge in an Electric Field

  • wheybags
  • · Replies 9 ·
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9

Calculating Velocity, Acceleration, and Net Force for a Bungee Jumper

  • cary5
  • · Replies 6 ·
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6

Egg Car Project: Build a Car and Egg for Class

  • Maleeha
  • · Replies 3 ·
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3

Spring/Mass/Oscillation problem

  • loganblacke
  • · Replies 1 ·
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1

Work in moving a satellite's orbit

  • gboff21
  • · Replies 2 ·
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2

Estimating Flattening of the Earth

  • Fightfish
  • · Replies 1 ·
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1