Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What is the Relationship Between Work Done on Eggs and Their Stopping Points?
- jack1234
- · Replies 7 ·
The tension in the line between A and B
- mariachy
- · Replies 4 ·
Work by Gravity / Conservative Forces
- Jamieee
- · Replies 2 ·
Circular Motion of a motorcycle
- clipperdude21
- · Replies 1 ·
Vacuum cleaner and octopus sucker force with pressure difference
- Izmad
- · Replies 10 ·
What is the necessary force to support a 500 lb weight with a hydraulic lift?
- Izmad
- · Replies 3 ·
Tangential Acceleration Along an Oddly Shaped Road
- JeYo
- · Replies 33 ·
How Do You Calculate Velocity Change with Time-Dependent Acceleration?
- Ginerva123
- · Replies 1 ·
Off-center elastic collision with m2=2m1
- Rubidium
- · Replies 6 ·
Optics: Applying Sign Conventions Twice?
- Nikhil_kumar
- · Replies 1 ·
Question on Planet Hi: Why is the Answer B?
- jack1234
- · Replies 1 ·
Why apply sign conventions twice in mirror and lens formulas
- Nikhil_kumar
- · Replies 1 ·
How to Calculate Magnetic Flux Through a Desk?
- mrlucky0
- · Replies 1 ·
Inelastic Collision of a Bullet into a Block
- Zaphia
- · Replies 1 ·
Apparent Weight and Geosynchronous Orbit
- JeYo
- · Replies 2 ·
Resolving Forces and Calculating Rotational Inertia of Assemblies
- BnJ
- · Replies 1 ·
Tension of string of pendulum at lowest point
- jack1234
- · Replies 3 ·
How Do You Calculate Average Velocity and Acceleration in Different Scenarios?
- rhxoehwhfh
- · Replies 2 ·
What is the final velocity of a block on a ramp with given parameters?
- galuda
- · Replies 4 ·
Max Speed for Car on Banked Curve of Radius 80m, 19^\circ Angle
- calvinth
- · Replies 1 ·
Vector Magnitude C: Calculating Magnitude
- jack1234
- · Replies 2 ·
Phase shift when light travels through a 1.4 refractive index medium
- ahk167
- · Replies 1 ·
Lead block pushed 20 m on floor: thermal energy and friction work
- mshah3
- · Replies 14 ·
Calculate Horizontal Force at Bottom of 7m Ladder for 72kg Person
- Phan
- · Replies 1 ·
Rocket-Powered Hockey Puck: Kinematics Analysis
- JeYo
- · Replies 10 ·
Moment of Inertia + Energy question
- darkspym7
- · Replies 3 ·
Steel Ball Density: Impact of Water Filling on Mercury Surface
- galuda
- · Replies 4 ·
Linear Conservation of Momentum of electron
- Gannon
- · Replies 1 ·
Mass launched up a ramp by a spring(friction)
- BBQX
- · Replies 1 ·
How far does a point on a wheel travel during angular acceleration?
- sw3etazngyrl
- · Replies 13 ·
Calculating Tarzan's Speed on a Swing: Solving for Velocity in a Physics Problem
- bikerkid
- · Replies 5 ·
Athelete jump finding starting speed
- mortho
- · Replies 1 ·
How do I make a simple free body diagram for a poster assignment?
- crcowboyfan
- · Replies 12 ·
How Do You Calculate the Specific Heat of a Metal in a Water Container?
- BuBbLeS01
- · Replies 1 ·
What Is the Change in Momentum of a 3.0 kg Object Projected at a 45° Angle?
- Jtappan
- · Replies 29 ·
How Should Physics Principles Be Applied in Bungee Jumping Analysis?
- caitlincc610
- · Replies 1 ·
A conducting loop around a magnetic field
- Xaspire88
- · Replies 3 ·
Pendulum problems - determine speed of the ball
- logglypop
- · Replies 4 ·
Help with Number 4.16: Solving Moments
- kring_c14
- · Replies 4 ·
Finding final temperature when lead shot mixes with water
- BuBbLeS01
- · Replies 11 ·
Tangential Acceleration Problem.
- Shipman515
- · Replies 1 ·
Object slides off table: find release speed given friction and landing distance
- Shipman515
- · Replies 5 ·
Two conducting spheres with opposite initial charges connected by wire
- breedb
- · Replies 1 ·
Conservation of Energy bungee jumping
- caitlincc610
- · Replies 2 ·
Circular motion: could this happen?
- jryan422
- · Replies 3 ·
Are These Thermal Expansion Statements Correct?
- BuBbLeS01
- · Replies 6 ·
Max Speed for Car on Concrete Curve of Radius 80.0m, 19.0^\circ Angle
- calvinth
- · Replies 2 ·
Work done by Gravity on a liquid
- Saladsamurai
- · Replies 15 ·
Heat required to convert ice at -11.5°C to water at 60°C
- BuBbLeS01
- · Replies 1 ·
Winch Physics: Finding Rates of Change in Vertical and Horizontal Directions
- misterpockets
- · Replies 2 ·
How Do You Calculate Velocity After an Angular Elastic Collision?
- Jtappan
- · Replies 2 ·
How Do You Calculate the Net Horizontal Force on a Dam Using Integrals?
- Saladsamurai
- · Replies 2 ·
Deriving acceleration formula for a block on an inclined plane with friction
- kppowell
- · Replies 3 ·
Solving Newton's 2nd Law: 5kg Mass, 60N Tension
- temaire
- · Replies 4 ·
Average Force Applied by Catcher
- Jtappan
- · Replies 9 ·
How to Solve an Incline Plane and Pulley Problem?
- temaire
- · Replies 5 ·
How Does a Force Affect the Final Velocity and Momentum of a Moving Body?
- Jtappan
- · Replies 1 ·
Work-Energy Principle: Finding the Length of a Rough Patch
- ahero4eternity
- · Replies 2 ·
How Do Protons and Alpha Particles Behave After an Elastic Collision?
- bigtymer8700
- · Replies 7 ·
How Far Will the Spring Compress When a Block is Dropped?
- jedjj
- · Replies 2 ·
Will the Ball Hit the Fence or Pass Above It?
- logglypop
- · Replies 5 ·
Which force gives the scale reading?
- MIA6
- · Replies 2 ·
Calculating the efficency of a hydrogen fuel cell
- redsox5
- · Replies 3 ·
How long will it take the police car to catch us to Sylvia’s car?
- rhxoehwhfh
- · Replies 28 ·
Does Constant Power Result in Constant Acceleration for a Car?
- mnandlall
- · Replies 1 ·
Why Does the Ideal Gas Law Fail at the Critical Point of Carbon Tetrachloride?
- coolnessitself
- · Replies 1 ·
Finding acceleration of pushed crate
- missashley
- · Replies 10 ·
Solving Incline Plane Work Problems
- feetparts
- · Replies 18 ·
Calculating Truck Speed from Frequency Shift
- confusedinphys
- · Replies 4 ·
Splitting forces into components
- prune1
- · Replies 1 ·
How Do You Calculate Angular Momentum for a Rotating Rigid Structure?
- shell4987
- · Replies 1 ·
How far and how fast did Tanya travel while cycling?
- rhxoehwhfh
- · Replies 3 ·
Calculating Work in a Circular Motion Amusement Park Ride
- Knissp
- · Replies 9 ·
Torque about a point using cross product of position and force vectors
- shell4987
- · Replies 2 ·
Non-Uniform circular motion with friction
- Knissp
- · Replies 8 ·
Conservation of Energy with Friction: Where Does the Block Stop?
- natedigity
- · Replies 8 ·
Deriving the Value of an Exponent
- UMich1344
- · Replies 1 ·
Finding collision point on pool table with conservation of momentum
- EebamXela
- · Replies 5 ·
Geosynchrously orbiting satellites
- gills
- · Replies 5 ·
Newton's Law of Universal Gravitation deflection
- _mae
- · Replies 5 ·
Tangential force on circular saw carbide tips at 2400 rpm
- Heat
- · Replies 1 ·
Find the coefficient of kinetic friction between the box and the ramp
- missashley
- · Replies 3 ·
What is the Rate of Entropy Production from Heat Leakage in a House?
- Bill Foster
- · Replies 2 ·
Spherical float: finding radius and required fluid density for 25% above surface
- srose9625
- · Replies 12 ·
How long does it take to heat this water
- BuBbLeS01
- · Replies 9 ·
What Is the Acceleration in a Frictionless Pulley System with Varying Masses?
- 1stimer
- · Replies 1 ·
Mechanics: Solve Swimmer A and B Problem
- magicuniverse
- · Replies 3 ·
Thermometer pressure physics problem
- BuBbLeS01
- · Replies 2 ·
Does a damped oscillator stop at the equilibrium position?
- SciencePF
- · Replies 10 ·
Solving the Problem of a Cold Room in 16 Minutes
- mit_hacker
- · Replies 10 ·
Solving Gauss' Law Electromag Question w/ 100V Battery
- magicuniverse
- · Replies 2 ·
Calculating Age of Universe with Hubble's Constant
- Aftermarth
- · Replies 9 ·
Checking coplanar force equilibrium solution
- mayeh
- · Replies 1 ·
Conceptual Question on Kinetic Friction
- twotaileddemon
- · Replies 10 ·
What Are the Tensions and Angular Acceleration in a Hanging Rod System?
- biomajor009
- · Replies 1 ·
How Does a Rotating Pail Affect Water Surface Shape?
- Fusilli_Jerry89
- · Replies 1 ·
What was Dan’s final velocity at this time?
- rhxoehwhfh
- · Replies 6 ·
Solving for Speed for Projectile Motion
- petern
- · Replies 2 ·
Trouble Determining Moment of Inertia Formula
- bob1182006
- · Replies 18 ·
Static Equilibrium: Find Normal Force and x-Coord of CM
- biomajor009
- · Replies 1 ·