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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Solving Rotational Dynamics Problem: Finding Magnitude of Force
- zachattackback
- · Replies 6 ·
Finding a Topic for I.S.U Research Paper: Electromagnetism
- quickslant
- · Replies 3 ·
Determine the speed of the block EPE
- physics1234
- · Replies 3 ·
How Much Water Do You Lose Through Perspiration While Running?
- physics1234
- · Replies 1 ·
Man in Elevator: What is the Force Exerted on the Elevator Floor?
- Cole07
- · Replies 4 ·
Force and Torque or Center of Gravity ^^
- twotaileddemon
- · Replies 22 ·
Gravitational attraction of two objects
- mrroboto187
- · Replies 8 ·
Heat needed to change temperature of hydrogen gas
- Kalie
- · Replies 5 ·
Max Velocity of a Water Rocket
- flash
- · Replies 1 ·
Solving a Ranking Task: F, A, C, E, B, D
- synx
- · Replies 1 ·
Solving Ice Boat Problem Homework Statement
- Cole07
- · Replies 22 ·
How Do You Calculate the Mass and Runway Distance for a Lufthansa A320?
- Cole07
- · Replies 6 ·
An Air Conditioner: Refrigerator or Heat Pump?
- Kalie
- · Replies 1 ·
Work done by the hammer in a single stroke?
- fro
- · Replies 1 ·
Not Homework, But can somone explain
- quickslant
- · Replies 6 ·
Calculating Acceleration and Friction in Rolling Motion Without Slipping
- Pawprint29
- · Replies 2 ·
Centrifuge acceleration expressed in terms of gravity
- ND3G
- · Replies 2 ·
Rotational Energy conservation
- inner08
- · Replies 4 ·
What Is the Speed of a Proton Between Two Plates with a 60V Difference?
- Destrio
- · Replies 4 ·
Tension in a rope suspending a hinged plate
- Sulla
- · Replies 7 ·
2 dimensional elastic collision
- teleport
- · Replies 8 ·
How Strong Is the Sun's Gravitational Pull on Earth?
- whitetiger
- · Replies 2 ·
Amount of watts needed to heat water
- wakejosh
- · Replies 5 ·
Wind chill is heat transfer by?
- wakejosh
- · Replies 7 ·
How Do Piston Sizes Affect Height Differences in Hydraulic Systems?
- map7s
- · Replies 3 ·
Projectile Motion Problem of a ship
- kdf8
- · Replies 3 ·
Resonance frequency of guitar string
- mikefitz
- · Replies 4 ·
Thermodynamics-Net heat absorbed?
- Urth
- · Replies 1 ·
Equilibrium and Center of Gravity problem
- p0ke
- · Replies 1 ·
Radious of the geosynchronous ORBIT
- 8parks11
- · Replies 2 ·
Frictional Force: Calculating Final Velocity of 20kg Sled
- fro
- · Replies 10 ·
Help with 2 really easy assignments please
- G-nious
- · Replies 3 ·
Calculating Distance from Earthquake Using P and S Waves
- shaka23h
- · Replies 3 ·
How Does Isothermal Expansion Affect Work Done and Temperature in an Ideal Gas?
- fishingaddictr
- · Replies 7 ·
Equilibrium Temperature of a Spherical Black Body Satellite
- CaptainJames
- · Replies 2 ·
Excited atom decaying to ground state
- Cataklyzm
- · Replies 4 ·
Calculating Distance & Acceleration of Car Pulling 20,000lbs
- ganon00
- · Replies 2 ·
Calculating the Minimum Acceleration to Avoid Hitting a Deer
- ganon00
- · Replies 1 ·
Determine the value of the coefficient of friction
- Janaat
- · Replies 6 ·
Calculating Final Speed in a Momentum Word Problem
- JassC
- · Replies 10 ·
Small cube/large cube sliding problem with friction quickly :/
- rosyroguey
- · Replies 11 ·
How to Find Pressure in a Nozzle Using Bernoulli's Equation?
- map7s
- · Replies 1 ·
Energy and Momentum Conservation in Inelastic Car Collisions
- kenau_reveas
- · Replies 5 ·
Calculating the Mass of the Sun Using Orbital Data and Gravitational Constant G
- 8parks11
- · Replies 3 ·
[Rotational Inertia, Angular Velocity] problem without given masses.
- Alpha Russ Omega
- · Replies 2 ·
How Does Mixing Coffee, Cream, and a Ceramic Cup Affect Temperature Equilibrium?
- map7s
- · Replies 1 ·
Calculate Tf When 77g Ice & 300g Water at 0°C & 50°C Mix
- dmolson
- · Replies 2 ·
Resonant length and wavelength of sound?
- jnimagine
- · Replies 1 ·
Buoyancy of wood block problem help
- map7s
- · Replies 1 ·
What is the Relative Velocity of Two Cars in Different Directions?
- fsm
- · Replies 17 ·
I need the normal force, the force of friction, and her acceleration
- sheebajenny
- · Replies 10 ·
Magnitude and Direction, Gravitational force Q
- AznSup3rman
- · Replies 2 ·
What Is the Direction of Tension in a String?
- Aladin
- · Replies 6 ·
Understanding Angular Acceleration in Rigid Bodies Pivoting on a Fixed Axis
- alchemyacoustic
- · Replies 2 ·
Exploring the Effect of Fingering Position on Violin String Frequency
- needhelp83
- · Replies 10 ·
Momentum, 2 blocks and a spring
- Selophane
- · Replies 2 ·
Calculating Electron Potential Energy in a Thunderstorm
- metalmagik
- · Replies 8 ·
What is the Period of Oscillation for a Frequency of 315 Hz?
- mikefitz
- · Replies 3 ·
Energy and Work related - Did i do this right?
- mks
- · Replies 4 ·
Pulley w/ attached weights/Linear+Angular acceleration.
- Sulla
- · Replies 6 ·
Calculating Electric Field Strength from a Point Charge
- quickslant
- · Replies 2 ·
Mechanics - Uniform Hoop and Angular Velocity
- Asrai
- · Replies 12 ·
A few more problems [equilibrium, torque, &c]
- a_lawson_2k
- · Replies 14 ·
Neglecting Torque Sign for Acceleration Calculation
- Dorothy Weglend
- · Replies 12 ·
Can PDE Solve the Oscillations of a Metal String in a Magnetic Field?
- dukeh
- · Replies 14 ·
Optimizing Automobile Suspension: Calculating Spring and Damping Constants
- cd80187
- · Replies 4 ·
Ball moving up an incline and coming down.
- bolas
- · Replies 6 ·
How Does a Calorimeter's Composition Impact Heat Transfer Calculations?
- mirandasatterley
- · Replies 5 ·
Wavelength of bullet and proton, same momentum
- Cataklyzm
- · Replies 3 ·
Calculating Friction Force from Pressure in a Bottle of Champagne
- trickymax301
- · Replies 7 ·
Solving Centripedal Motion Challenges in Physics 131
- Robokapp
- · Replies 8 ·
Rod rotates when hit by point mass/ Cons. of angular momentum
- Epictetus
- · Replies 1 ·
Solid sphere vs. disk ramp test and time difference.
- Epictetus
- · Replies 1 ·
Thermodynamics: calculate q, w, E,H,S for a 5 step process
- Lisa...
- · Replies 5 ·
Acceleration of center of mass of cart-block system
- esoteric deviance
- · Replies 9 ·
Rock on a string on the ceiling?
- atnay
- · Replies 7 ·
Equilibrium temperature of ice, water, and iron cup
- physgirl
- · Replies 1 ·
Question: Capacitors, Time Constant and p.d.
- ProD
- · Replies 1 ·
How Do You Calculate the Mass of a Stationary Train After a Collision?
- EthanB
- · Replies 7 ·
Time & Angle: My Science Fair Project
- xdanizzlex
- · Replies 6 ·
Forces on a hinged board used as a lever
- ccitycoop
- · Replies 1 ·
Solving for Average Acceleration: An Automotive Example
- ganon00
- · Replies 1 ·
Speed of Electrons and energy level
- Werg22
- · Replies 4 ·
How Does Friction Affect Wheel Motion on a Horizontal Surface?
- kara
- · Replies 1 ·
Heat Gain in a Fridge Experiment
- Jacob87411
- · Replies 2 ·
How to calculate work done by forces on a block moving up a wall?
- AznBoi
- · Replies 9 ·
Position & Velocity of Golf Ball Dropped from Empire State Building
- ganon00
- · Replies 18 ·
How Does Elastic Collision Affect Particle Momentum?
- Learning Curve
- · Replies 1 ·
Converting kcal/h to J/gal for fuel economy comparison
- AznBoi
- · Replies 2 ·
UAM & Electrostatics: Does It Apply At Atomic Scale?
- metalmagik
- · Replies 6 ·
Moment of inertia (compound object)
- mbrmbrg
- · Replies 3 ·
Angular Inelastic Collision: Mary, Bob & Jane
- NIZBIT
- · Replies 7 ·
Investigating Circular Orbit Energy: Gravity & Kinetic
- ben111
- · Replies 2 ·
Tension in Strings: Solving a .5kg Problem
- aeroengphys
- · Replies 8 ·
Calculating Torque and Tangential force from X,Y Vectors
- Jdo300
- · Replies 2 ·
Calculating Proton Velocity in an Electric Field | Electrostatics Question
- metalmagik
- · Replies 4 ·
Diagram of the see-saw and parallel mirrors
- ritwik06
- · Replies 3 ·
Calculating Field Gradient for Magnetic Beam Deflection
- Mindscrape
- · Replies 3 ·
How Do You Calculate Thrust and Resultant Force for Saturn V Rockets?
- pluke100
- · Replies 3 ·
Solve Heat Conduction Problem: Oven Energy Use & Cost
- shaka23h
- · Replies 1 ·