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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Two masses, frictionless pulley
- cassienoelle
- · Replies 4 ·
Current from a windmill generator with 2.0 m blades
- Hafid Iqbal
- · Replies 7 ·
Solve KE, PE and Work for Block Sliding Down Friction-Less Incline
- zzoo4
- · Replies 17 ·
How much heat per second does a runner gain just from radiation?
- JustinLiang
- · Replies 3 ·
What happens to a car making a circular turn when it hits ice?
- physicsgurl12
- · Replies 1 ·
Energy absorption rate in circuit with unknown device box
- iiiiaann
- · Replies 5 ·
Charge Distrubution evenly on Arc (Radius R)
- plat911
- · Replies 4 ·
Heat absorbed by silver spoon and heat removed from steam
- eddiestylin
- · Replies 4 ·
How Does a Calculator-Based Ranger (CBR) Detect Motion?
- p.ella
- · Replies 5 ·
Understanding Buoyancy: Calculating Mass of a Ship in Different Fluids
- knowNothing23
- · Replies 2 ·
Lifting a crate magnitude of forces.
- physicsgurl12
- · Replies 10 ·
Net Force on a Stalled Car Being Pushed Up a Hill?
- physicsgurl12
- · Replies 12 ·
How Do You Calculate Wave Parameters for a Transverse Sinusoidal Wave?
- Qudos
- · Replies 3 ·
New velocity between two spacecraft moving in opposing directions
- Capncanada
- · Replies 7 ·
Electric Field Between two Charges Equals 0
- Hypnos_16
- · Replies 13 ·
What Forces Affect Motion in Block Dynamics?
- superhero241
- · Replies 35 ·
Why is Tension Greater Than ma in a Horizontal Pull Scenario?
- physicsgurl12
- · Replies 2 ·
How Does Newton's Third Law Apply in Tug of War and Spacecraft Motion?
- domtar
- · Replies 4 ·
How Does Force Affect Object Speed and Position?
- matt@USA
- · Replies 3 ·
How Does Height Affect Weightlessness on a Frictionless Roller Coaster?
- DrunkApple
- · Replies 3 ·
Jumping out a plane force of wind resistance
- physicsgurl12
- · Replies 18 ·
How is work calculated with a variable force?
- matt@USA
- · Replies 1 ·
When an elevator moves upwards with an acceleration
- Crusaderking1
- · Replies 4 ·
Uniform ladder against wall held by rope at angle theta
- xduckksx
- · Replies 10 ·
Relative velocity of a canoe problem
- LadyW
- · Replies 1 ·
AP Physics CH 5: Centripetal Motion
- mitchmcsscm94
- · Replies 3 ·
Atwood's Machine - One mass and one force
- whoareyou
- · Replies 10 ·
Tension between two cables, not sure what to do.
- USN2ENG
- · Replies 2 ·
Solving the Problem: Calculating Distance After the Start
- rayj098
- · Replies 3 ·
What is the Relationship Between Net Force, Speed, and Time for a Moving Object?
- physicsgurl12
- · Replies 16 ·
Copper cladding thickness formula for zinc penny
- knowNothing23
- · Replies 1 ·
Ionization Energy in Electron Volts
- mhrokosz
- · Replies 4 ·
Electric Field of Single-Battery Circuit with Thin/Thick Wires
- DeadFishFactory
- · Replies 2 ·
Work Done by Spring at A: Calculating from Position 2 to Position 3
- maniac90
- · Replies 5 ·
Maximum tangential acceleration on a banked curved path
- charlesc56
- · Replies 1 ·
Finding the resultant of two vector of an oblique triangle
- ElizabethC7
- · Replies 3 ·
Find gravitational potential energy if at point
- jono240
- · Replies 4 ·
Antireflection coating with MgF2 on glass lens
- superspartan9
- · Replies 7 ·
Electrical Circuit - Power dissipation
- rambo5330
- · Replies 4 ·
Calculating Volume and Weight of Water in a Cone Jar: Fluids (Pressure)
- knowNothing23
- · Replies 1 ·
Thermodynamic cycle related problem
- ibysaiyan
- · Replies 6 ·
Finding Instantaneous Acceleration in a Velocity-Time Graph
- welai
- · Replies 2 ·
Diffraction grating problem involving two wavelengths.
- bfrank
- · Replies 4 ·
Finding the vertical component of velocity
- shyguy79
- · Replies 4 ·
Two block-spring system - finding max extension in the spring
- Ashu2912
- · Replies 7 ·
Box and friction distance problem?
- bman123
- · Replies 1 ·
On a P-V diagram, if the pressure stays constant and the volume
- P-Jay1
- · Replies 1 ·
Friction and Acceleration problem?
- bman123
- · Replies 1 ·
Moment of Inertia of a rectangle?
- GreenPrint
- · Replies 9 ·
What Direction Should a Man Row a Boat to Cross a River in the Shortest Time?
- 20292
- · Replies 5 ·
How Do You Solve Physics Problem MASS 7.1?
- Hiche
- · Replies 3 ·
Using Dimensional Analysis to Guess a Formula
- LBB II
- · Replies 13 ·
How to transform acceleration from m/s2 to km/h2 and reversed?
- An00b
- · Replies 4 ·
Particle of certain mass moving in an xy plane
- eximius
- · Replies 5 ·
A Few Questions on Tension, and Some Work
- Nickg140143
- · Replies 5 ·
Mass on wedge on incline problem
- uhohitzluke
- · Replies 1 ·
2kg box sliding down 10m ramp then across flat ground
- berbek16
- · Replies 5 ·
Circular motion: velocity, acceleration, and force vectors
- ibysaiyan
- · Replies 7 ·
The Equivalent Resistance Calculation
- roam
- · Replies 6 ·
How to Graph Motion for Two People with Varied Speeds and Stops?
- g65hy
- · Replies 9 ·
Noninertial Frames of Reference Question
- scintillate10
- · Replies 1 ·
A hot air balloon has just lifted off and is rising at the constant
- nc1617
- · Replies 1 ·
How Do Radius and Orbit Affect Satellite Dynamics?
- Plutonium88
- · Replies 1 ·
How much does a body weight in free fall?
- patowlmc
- · Replies 3 ·
Pulley system: 2 pulleys and 3 mass
- alaix
- · Replies 1 ·
How Do You Calculate Vector Components in a Radar Tracking Problem?
- Thunderer
- · Replies 4 ·
Why Is My Solution for Rotational Motion Incorrect?
- GreenPrint
- · Replies 3 ·
How Does Friction Impact Work Calculation in Physics?
- KendrickLamar
- · Replies 1 ·
Where does the torque come from when two spinning disks collide?
- tummychow
- · Replies 3 ·
Diver jumping from board: finding maximum height above water
- nando94
- · Replies 2 ·
Dielectric-Dielectric Boundary Conditions
- jegues
- · Replies 2 ·
Finding accleration and tension as an elevator moves upwards/downwards.
- Crusaderking1
- · Replies 3 ·
Kinetic and potetnial energy in a circle?
- TheBowl3r
- · Replies 1 ·
Angular Acceleration of a Pinned Stick
- hughes
- · Replies 1 ·
How Do You Relate Momentum to Kinetic Energy in Physics?
- Joyci116
- · Replies 7 ·
What caused the collision between Amy's Perodua Myvi and the Honda Insight?
- gamepro9
- · Replies 5 ·
Physics recoil/friction problem?
- mindadiann
- · Replies 5 ·
Calculate Coefficient of Friction for 41N Bookcase on Ground
- Omnomnomnom
- · Replies 5 ·
Finding magnitude and direction of momentum vector
- Joyci116
- · Replies 2 ·
Frictional force on Inclined Plane
- aokidopi
- · Replies 12 ·
Why does net force include friction differently than net torque?
- GreenPrint
- · Replies 6 ·
Why Doesn't a Pendulum Hit My Face When Released?
- wahllln
- · Replies 1 ·
The electric field of infinite line charges and infinite sheet of charges
- dada130500015
- · Replies 3 ·
How Do I Solve These AP Physics Problems?
- tdub96
- · Replies 9 ·
Finding Electric Flux and Electric Fields
- Jason355
- · Replies 4 ·
Lorentz Factor / Spacecraft to Star
- ZedCar
- · Replies 6 ·
Having trouble starting gravity problem.
- Crusaderking1
- · Replies 6 ·
How Can I Determine the Volume of a Diatomic Ideal Gas in a Rigid Container?
- Latios1314
- · Replies 5 ·
Electric flux charge through a cube
- ZEli
- · Replies 4 ·
Finding current in suspended parallel wire with magnetic force
- j.m.g.
- · Replies 21 ·
Electrostatics, sphere question.
- vkash
- · Replies 2 ·
Solve for charge(q), given radius, electric field, and density
- Lemon-Sam
- · Replies 2 ·
Solving the Puzzle: Calculating Acceleration of Blocks
- anigeo
- · Replies 1 ·
How Does Special Relativity Explain the Age Difference Between Twins?
- godtripp
- · Replies 3 ·
How High Does the Elevator Meet the Coin in Torronto Tower?
- khurram usman
- · Replies 1 ·
Forces on two masses hanging vertically from strings
- shawli
- · Replies 6 ·
Finding mass on inclined plane from tension and normal force
- iPaul
- · Replies 5 ·
Water slide problem with friction work and energy
- bulbasaur88
- · Replies 8 ·
Engineering Statics: pressure on dam question
- thepatient
- · Replies 2 ·
Solving Physics Problem: 31kg Skier on 13° Slope w/ Wind Force
- Hiche
- · Replies 5 ·