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

Work done by a gas during an adiabatic process involving a state chang

  • qazadex
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What method should I use to solve variable mass problems in physics?

  • albega
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2

Taylor 4.34 - Energy of a Pendulum

  • Radarithm
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3

How Do You Calculate Net Resistance and Current Flow in These DC Circuits?

  • scrubber
  • · Replies 8 ·
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8

Executing Circuit: Troubleshooting R_c Short-Circuiting

  • Rectifier
  • · Replies 20 ·
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Forced SHM with damping problem

  • asaspades
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What is the result of mixing 10g of ice at -10 deg celcius?

  • postthreads
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3

Electron [N] moving in a magnetic field [up]

  • kahunah
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8

A resistor, an inductor, and a capacitor are connected in series?

  • accioquote
  • · Replies 1 ·
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1

Optics: Solving for Slit Size Missing Fringes

  • Feodalherren
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1

What is the Ratio of Slit Distance to Wavelength in Laser Diffraction?

  • ghostops
  • · Replies 3 ·
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3

Snell's Law Application Homework Problem

  • PropulsionMan
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1

What was the velocity of the apple before it hit Newton?

  • Chickadee
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2

Linear speed of car coasting on two tracks

  • riddle_me_phys
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12
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Optics aperture modeling rect functions

  • binbagsss
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1

Does the Wave Function Approach Zero at Infinity?

  • thatguy14
  • · Replies 6 ·
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6

Does anyone know where i can find good physics problems

  • aefre
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3

Find Mass of Rope Given Horizontal Force of 20N

  • utkarshakash
  • · Replies 6 ·
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6

Calculate: the net electric flux = flux through rounded portion + flux

  • cuongbui1702
  • · Replies 9 ·
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9

Torque problem (man standing on a deck)

  • hri12
  • · Replies 3 ·
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3

Electromagnetic induction (production of emf)

  • delsoo
  • · Replies 1 ·
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1

Electromagnetic induction graph of E versus I

  • delsoo
  • · Replies 1 ·
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1

What is the correct answer for the electric charge question?

  • cuongbui1702
  • · Replies 14 ·
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14

Capacitor is charged then connected to a capacitor and battery

  • TheEvenfall
  • · Replies 2 ·
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2

Average energy mass on a spring

  • thatguy14
  • · Replies 2 ·
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2

How Does Force Angle Affect Book Acceleration with Friction?

  • hri12
  • · Replies 8 ·
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8
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19

Solving Carnot Cycle Problem: Struggling with b & c

  • Donna14
  • · Replies 1 ·
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1

Distance travelled in n time when a body is thrown upwards

  • Govind_Balaji
  • · Replies 2 ·
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2

Young's Double Slit: Find Min. Plexiglas Thickness for Dark Spot

  • Feodalherren
  • · Replies 5 ·
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5

Tension and Acceleration with a Pulley and Two Masses

  • rakeru
  • · Replies 7 ·
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7

Standing Waves Question: Find Wavelength and Amplitude in Two Connected Strings

  • Just_some_guy
  • · Replies 9 ·
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9

What is the Minimum Time for Acceleration in an Auto Engine Power Problem?

  • tmobilerocks
  • · Replies 1 ·
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1

Transmission Line (simple Prob)

  • tim9000
  • · Replies 5 ·
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5

Maximum Compression of Spring in Block Collision

  • toothpaste666
  • · Replies 10 ·
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10

Simple Pendulum Amplitude Investigation: Graph and Uncertainty Analysis

  • influx
  • · Replies 3 ·
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3

Population Inversion: Pumping Wavelength for 3.5 eV Energy Difference

  • Aoiumi
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1

Calculating Quanta Emitted by a Blackbody at 500 C

  • Aoiumi
  • · Replies 2 ·
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2
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3

How Can We Determine if Someone is Farsighted?

  • Examined
  • · Replies 4 ·
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4

Ideal Gas/Work Done by Water Problemq

  • Bgerst103
  • · Replies 4 ·
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4

Moments about two points of an object

  • shott92
  • · Replies 5 ·
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5

Biehle's Nova Physics page 3 error with volume calculation?

  • thatrunner
  • · Replies 2 ·
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2

Simple Harmonic Motion Pendulum

  • sreya
  • · Replies 2 ·
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2

Spring potential Problem Reference Point

  • yolo123
  • · Replies 14 ·
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14

Need help to get started on thermodynamics essay

  • nossren
  • · Replies 9 ·
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9

Maximum velocity of a mass undergoing SHM

  • KiNGGeexD
  • · Replies 11 ·
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11

Which would be faster: A ball rolling down a ramp with no groove

  • limonade123
  • · Replies 1 ·
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1

Momentum Formula for Alpha Decay

  • TheAustrian
  • · Replies 7 ·
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7

Reaction Forces on a Frame With Roller Joint and Pin Joint

  • AliesAbawe
  • · Replies 7 ·
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7

How come water in a cup won't shoot out of a straw placed inside it?

  • Mahkoe
  • · Replies 4 ·
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4

No. of possible electron transitions in hydrogen in magnetic field

  • Newtonz
  • · Replies 1 ·
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1

How Do You Calculate the Input Power of a Series RLC Circuit?

  • haha1234
  • · Replies 1 ·
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1

Solving Projectile Motion: Ball Thrown from Building

  • ezsmith
  • · Replies 6 ·
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6

Hooke's Law/SHM Homework: Find Amplitude After Glue Breaks

  • byu
  • · Replies 5 ·
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5

Throwing a ball against a wall for projectile motion

  • Psychros
  • · Replies 3 ·
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3

Why Does dV/V Equal ln(Vd/Va) in Physics Homework?

  • Donna14
  • · Replies 2 ·
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2

Internal and center of mass energies

  • negation
  • · Replies 12 ·
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12

Firing cannons projectile motion

  • Psychros
  • · Replies 13 ·
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13

Finding electric field of charges in a rectangle

  • Dethrone
  • · Replies 24 ·
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24

How Do You Calculate A at Vo1 and Vo2 in OP-AMP Circuits?

  • darwinharianto
  • · Replies 6 ·
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6

Finding Maximum Speed of Bottom Cylinder in a Cylinder-Wall System

  • utkarshakash
  • · Replies 17 ·
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17

What is the Maximum Angle for a Crutch to Not Slip on the Ground?

  • ----md
  • · Replies 5 ·
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5

Thermal Equilibrium With Insulated Liquid And Gas Containers

  • mchahal22
  • · Replies 3 ·
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3

Solving for the Kinetic Energy of a Uniform Disk

  • kenricktan
  • · Replies 4 ·
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4

Coefficient of kinetic friction forces

  • yoyo16
  • · Replies 3 ·
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3

Question about the jones matrix for a quarter wave plate

  • richyw
  • · Replies 1 ·
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1

What is the Formula for Calculating Torque While Digging?

  • ExoP
  • · Replies 4 ·
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4

Conducting rod is free to move over a loop under influence of B field?

  • GodPlaysDice
  • · Replies 1 ·
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1

Please help - Gr. 11 physics question about net force calculation

  • yesgirl10
  • · Replies 4 ·
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4

Solid pivoted pendulum attached to a spring - oscillation period?

  • goraemon
  • · Replies 12 ·
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12

A problem on rotational mechanics

  • nikhilnagaraj
  • · Replies 1 ·
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1

How Do You Derive Euler's Equation of Motion for a Rigid Body?

  • CAF123
  • · Replies 30 ·
2
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30

A basic question about free fall (concerning Galileo and Aristotle)

  • Amio
  • · Replies 9 ·
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9

Derivation of r (radius) in terms of f (frequency)? Help please.

  • BLZ
  • · Replies 6 ·
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6

How Long Does It Take a Diver to Reach Maximum Height?

  • jannx3
  • · Replies 5 ·
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5

Change in energy in orbiting satellite.

  • Gianf
  • · Replies 3 ·
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3

Solve Impulse Momentum Homework Equation

  • mpittma1
  • · Replies 5 ·
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5

Velocity of Separation in Special Relativity

  • AGNuke
  • · Replies 3 ·
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3

Combined linear and rotational motion question

  • Dtbennett
  • · Replies 7 ·
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7

Regarding Kittel's solid state physics 167 page

  • benz994
  • · Replies 3 ·
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3

Moment of inertia of an ellipse

  • Karol
  • · Replies 6 ·
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6

Prove this equation of initial velocity in projectile motion

  • rawezh
  • · Replies 4 ·
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4

Linear momentum of two particles

  • bennyq
  • · Replies 1 ·
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1

Finding spring constant K and compression distance

  • mpittma1
  • · Replies 15 ·
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15

Thermodynamics of Steam Homework

  • mvf
  • · Replies 6 ·
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6

Thin film constructive vs destructive concept clarification

  • agentlee
  • · Replies 1 ·
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1

Minimum Speed for Stunt Car Jump over Parked Cars

  • ciubba
  • · Replies 2 ·
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2

Which Direction Does Angular Momentum Point When Traveling North?

  • baseballer
  • · Replies 3 ·
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3

Help Clarifying Answers-Linear Acceleration & Conservation of Momentum

  • riddle_me_phys
  • · Replies 6 ·
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6

Electric Field due to Charged Sphere

  • tomizzo
  • · Replies 1 ·
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1

Wind speed acting on a moving vehicle

  • woodsy483
  • · Replies 4 ·
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4

Finding The Induced Current in This Loop

  • Shakenbake158
  • · Replies 5 ·
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5

A capacitor in an AC circuit. What is the amplitude of the current?

  • mrknowknow
  • · Replies 11 ·
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11
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2

Calculating the temperature of the sun using wavelength of iron atoms

  • KiNGGeexD
  • · Replies 11 ·
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11

Fluid dynamics in horizontal pipe

  • Bengo
  • · Replies 10 ·
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10

Problem - Lagrange function for mass on springs attached on a frame

  • asynja
  • · Replies 3 ·
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3

Temperature Rise of Steel Ball in Water/Ice

  • GoodOldLimbo
  • · Replies 1 ·
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1