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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A mass inside a horizontal spring
- tecnica
- · Replies 14 ·
Angular acceleration of a rigid rod with a mass at both ends
- hs764
- · Replies 13 ·
Gravitational equilibrium point between Earth and Moon
- Calpalned
- · Replies 3 ·
Experimental value for moment of inertia - Not about c.o.m.
- scottymo
- · Replies 6 ·
Calculating temperature and heat flow in a wall
- bohire
- · Replies 13 ·
Orbital velocity and radius for satellite
- joemmonster
- · Replies 5 ·
Impulse Problem -- A rolling cylinder collides with a cylinder at rest
- Satvik Pandey
- · Replies 26 ·
Why Does Tension Act in Two Directions at a Point in a String?
- andyrk
- · Replies 52 ·
How Do You Calculate Tension and Charge in Electromagnetic Problems?
- MiniOreo1998
- · Replies 1 ·
Electron moving through uniform magnetic field
- MiniOreo1998
- · Replies 2 ·
How Do You Calculate Spring Constant in a Rotating System with a Broken Thread?
- Adel A
- · Replies 1 ·
Spring launcher equation to find x
- Siavash
- · Replies 30 ·
Number of Events Detected (Neutrino Collisions)
- gradivcurl
- · Replies 3 ·
Satellite experiencing certain gravitational force - problem
- MiniOreo1998
- · Replies 1 ·
Magnetic fields, charged particles and directions
- vysero
- · Replies 10 ·
How Does a Rotating Space Station Simulate Gravity for Astronauts?
- MiniOreo1998
- · Replies 1 ·
Question: What force will a 30 kg meteor experience at the same altitude?
- MiniOreo1998
- · Replies 3 ·
Centripetal force roller coaster problem
- Jahnic
- · Replies 5 ·
Universal Law of Gravitation problem
- MiniOreo1998
- · Replies 1 ·
How to find Coefficient of Friction w/ Fa and mass?
- HomiesontheRise
- · Replies 5 ·
Ranking Forces on a Charged Particle in Uniform Electric and Magnetic Fields
- vysero
- · Replies 3 ·
Finding the current Io for t>0 in a RL circuit
- sugz
- · Replies 5 ·
Torque on cylinder due to current in loop
- Rabbittt
- · Replies 1 ·
Effect of changing posterior radius on contact lens power
- jack hunter
- · Replies 5 ·
Angular velocity by time variable force
- Totally
- · Replies 3 ·
How Fast Will the Roller Coaster Car Be at the Top of the Loop?
- NkaujHelp
- · Replies 2 ·
Why does the work on cart A equal 4 times the work on cart B?
- gijungkim
- · Replies 7 ·
Work done on a 35 kg bobsled accelerating to 5 m/s
- jacob275c
- · Replies 1 ·
Why doesn't the normal force push astronauts toward the cylinder's center?
- Calpalned
- · Replies 3 ·
Initial Tension Of Parallel Spring System
- stannard97
- · Replies 7 ·
The possible effects on the water level
- litz057
- · Replies 7 ·
Comparison of velocity at the end of distance
- gijungkim
- · Replies 8 ·
A cuboid on an inclined plane - based on an Olympiad problem
- marcnn
- · Replies 5 ·
Why Does Liquid Cool During Evaporation?
- Jimmy87
- · Replies 3 ·
For what value of x will this object first come to rest?
- gijungkim
- · Replies 4 ·
What is the magnitude of the spring force given M,K and X
- AStupidHippo
- · Replies 2 ·
Minimum friction coefficient for small block on sliding large block at 37°
- gracy
- · Replies 63 ·
General Centre of mass derivation
- shaggySS
- · Replies 2 ·
Calculating Net Force and Electric Field on Charge 1 in Coulomb's Law Problem
- MiniOreo1998
- · Replies 10 ·
Voltage across R2 in RL circuit with switch reopened at t > 1ms
- throneoo
- · Replies 5 ·
What is the Velocity of a Projectile Using Kinematic Equations?
- kaspis245
- · Replies 7 ·
Magnetic Force of a Right Triangle influenced by a Line
- g85108
- · Replies 2 ·
Balancing Normal Forces (Statics).
- RioAlvarado
- · Replies 8 ·
Spring and work-kinetic energy theorem problems
- toesockshoe
- · Replies 7 ·
How Do You Calculate Time of Flight and Range for a Rocket Launched at an Angle?
- HueHue
- · Replies 8 ·
Polish Physics Olympiad: Proving Adiabatic Reversible Process
- marcnn
- · Replies 2 ·
Why does plastic container slides off at the same speed?
- gijungkim
- · Replies 4 ·
Speed at a certain distance from the sun
- najatau
- · Replies 2 ·
E-field of cylindrical conductor above infinite ground plane
- bleach2015
- · Replies 3 ·
Egg Drop Ideas: Solve the Physics Puzzle
- Maddyk
- · Replies 5 ·
Newton 2nd. 2D velocity fn. Distance (boundry conditions)
- Physics_tryhard
- · Replies 2 ·
Work and isothermal compressibility
- Chris B
- · Replies 8 ·
Partial pressure of nitrogen in room air using ideal gas law
- A330NEO
- · Replies 1 ·
How does the melting of ice affect the oil-water interface in a fluid system?
- AdityaDev
- · Replies 26 ·
Determining Rth from a simple circuit
- x86
- · Replies 12 ·
Angle to lift a body off the surface
- Totally
- · Replies 21 ·
Finding speed at photogate 1 on an inclined track using energy conservation
- anton717
- · Replies 13 ·
Finding The Compression of a Spring
- Astreiks
- · Replies 3 ·
Need help in applying Binomial Aproximation when y L?
- Aristotle
- · Replies 28 ·
Calculating Velocity of a Hockey Puck
- nosh
- · Replies 1 ·
What is the work done on a slingshot?
- Goofball Randy
- · Replies 3 ·
What is the force of the boom on the car at the top of circle?
- gijungkim
- · Replies 4 ·
Physics w/Calculus II Electric Potential, Non-Uniform Charge
- ChrisCrary
- · Replies 9 ·
Finding force to keep M₃ stationary in pedagogical machine
- PFuser1232
- · Replies 6 ·
Determine the total electrostatic potential energy
- hitemup
- · Replies 3 ·
Transformer question (between substation and home)
- blooperkin
- · Replies 1 ·
Energy of Earth Orbiting Around the Sun
- Ishaan S
- · Replies 3 ·
Conservative system <-> time independent potential?
- Coffee_
- · Replies 5 ·
Can a Gaussian Surface Confirm Zero Electric Field Between Two Charges?
- Gamezwn
- · Replies 3 ·
Finding maximum speed and acceleration in SHM with amplitude 0.05 m and period 12 s
- Matt512
- · Replies 21 ·
Why does current decrease when a motor coil starts rotating?
- blooperkin
- · Replies 4 ·
Calculating current given the current density and area
- CivilSigma
- · Replies 2 ·
Unit solid angle and finite angle
- lkijmj
- · Replies 3 ·
A Lagrange multiplier approach to the catenary problem
- Coffee_
- · Replies 5 ·
Calculate angular velocities and alpha values?
- datanhlg
- · Replies 2 ·
Why does a 0.4m blade thickness affect oscillation amplitude?
- blooperkin
- · Replies 6 ·
Escape velocity for Saturn (Introductory Mechanics)
- najatau
- · Replies 1 ·
Determine the compression of the spring
- Westin
- · Replies 5 ·
Optimal Dragster Exhuast Pipe Angle
- KangYuqi
- · Replies 4 ·
How Does Position Affect Gravitational Force Between Three Objects?
- GiantSheeps
- · Replies 3 ·
Accelerating Wedge and block on top of it -- Dynamics
- andyrk
- · Replies 55 ·
Thermodynamics flow processes,
- TheRedDevil18
- · Replies 1 ·
Gravitational potential energy of 23 kg block on Earth's surface
- Westin
- · Replies 11 ·
Small perturbations to a circular orbit
- samjohnny
- · Replies 1 ·
Center of mass of an equilateral triangle (Kleppner)
- geoffrey159
- · Replies 5 ·
Comet orbiting a Star - True and False
- Westin
- · Replies 6 ·
Finding the static friction force
- gijungkim
- · Replies 3 ·
Prove Kinetic Energy equation (without calculus)
- Chrystalle
- · Replies 3 ·
Maximum bending moment for uniformly distributed loads on a beam
- JohnP60
- · Replies 3 ·
Can momentum exist when velocity is zero at a trajectory's highest point?
- goonking
- · Replies 21 ·
How Do You Solve the Dynamics of a Mass on a Slope on a Rotating Turntable?
- Ciaran
- · Replies 2 ·
How does spring constant affect amplitude and frequency in SHM?
- SherlockIsReal
- · Replies 2 ·
Multiplayer Refraction, Incident Angle
- rlc
- · Replies 3 ·
Moments and weights of a table lamp
- Karol
- · Replies 7 ·
Bouncy ball bouncing with 9% energy loss per impact
- goonking
- · Replies 21 ·
Calculating Force Needed to Pull Chain Onto Table
- goonking
- · Replies 11 ·
How do you determine work done wi th just mass and distance?
- crushedcorn
- · Replies 3 ·
Solving for Height of a Falling Cube Using Kinetic Energy
- goonking
- · Replies 24 ·
What is the process for finding the moment of inertia for a semicircle?
- javaistheman
- · Replies 6 ·
Solving Tennis Serve Force w/ Constant Acceleration
- goonking
- · Replies 5 ·