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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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 ·
Finding normal force - friction
- Moe_slow
- · Replies 1 ·
Calculating Potential Difference in a Uniform Electric Field
- aliaze1
- · Replies 5 ·
Speed needed for amusement park ride to complete circular swing
- Luca169
- · Replies 6 ·