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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DC Motor Question: Change in Magnetic Flux
- gaobo9109
- · Replies 5 ·
Work done by a force changing the distance of a satellite's orbit
- kmb11132
- · Replies 3 ·
Let there be a PP capacitor where d increases, what happens to the charge?
- Ling2
- · Replies 2 ·
Vertically oscillating spring-mass system
- lonewolf5999
- · Replies 7 ·
Finding the angular acceleration knowing the net torque
- mrshappy0
- · Replies 2 ·
Work done by spring force on stretched cage
- McAfee
- · Replies 3 ·
Centripetal Force (Horizontally Banked Question)
- McKeavey
- · Replies 3 ·
Oscillation of a spring - pulley system
- ineedhelp1234
- · Replies 3 ·
Calculating Time of Flight for a Launched Object
- Shokatsuryou
- · Replies 2 ·
Centripetal Force (RPM Question)
- McKeavey
- · Replies 1 ·
Do Identical Tennis Balls Experience the Same Impulse in Different Scenarios?
- lch20yy
- · Replies 1 ·
What is the relationship between ω, v, and r when solving for KEtot ratios?
- Badre
- · Replies 2 ·
How Do You Calculate the Compression of a Ball Hitting a Wall?
- RK455
- · Replies 1 ·
Kinetic energy loss when two cars collide and stick together
- snash1057
- · Replies 1 ·
What Should the Expected Slope of T^2 vs. L and T^2 vs. M' Graphs Be?
- brimister47
- · Replies 3 ·
Circular motioni, work question.
- Miike012
- · Replies 2 ·
Impulse and momentum for 2 kg particle with force graph
- QuarkCharmer
- · Replies 5 ·
Differential equation, coupled oscillator, relative movement
- Lindsayyyy
- · Replies 1 ·
Orbital angular momentum of satellite about central mass
- PhDorBust
- · Replies 2 ·
Solving the Physics of a Skier Leaving a Hill
- austindubose
- · Replies 1 ·
Finding Linear Graph for Pendulum Dilemma Equation
- Crusaderking1
- · Replies 6 ·
Man on the end of a beam (rotational equilibrium problem)
- heatherwebb
- · Replies 1 ·
Calculate Energy Lost to Friction After 100m for 600 kg Car on 15 Deg Hill
- physiman
- · Replies 22 ·
Thermodynamics question - Ideal gases
- eurekameh
- · Replies 9 ·
Lever with offset pivot problem
- conneem
- · Replies 2 ·
What Is the Average Force Exerted by a Ball on a Plate During Impact?
- Andrew Muir
- · Replies 5 ·
Can a Spider's Acceleration on a Spider Web Be Supported by its Tension?
- terryW16
- · Replies 1 ·
Calculating Angular Distance on a Circular Track with Given Radius and Distance
- eshock202
- · Replies 1 ·
NEED PHYSICS HELP am i doing this correctly?
- terryW16
- · Replies 6 ·
Physics Homework Help: Solving for Coefficient of Friction & Acceleration
- terryW16
- · Replies 1 ·
Hoop hanging over pulley connected to rolling sphere
- aszymans
- · Replies 1 ·
How Do Speeds and Angles Affect Post-Collision Ball Movement?
- Naeem
- · Replies 8 ·
How Do You Calculate Static Friction on an Inclined Plane?
- laladude
- · Replies 5 ·
Definition of an unstable atom.
- jetwaterluffy
- · Replies 3 ·
Calculating Work Done by Tension in Vine for Tarzan
- Miike012
- · Replies 1 ·
Trampoline depression with spring constant: where's my error?
- kinematica
- · Replies 1 ·
What Is the Effective Resistance of Headlights in a Car Battery Circuit?
- dblanche
- · Replies 3 ·
Finding pd given r, R, and emf?
- ugodzilla
- · Replies 5 ·
How Do You Calculate Capacitance from a Voltage Decay Curve?
- KingBigness
- · Replies 3 ·
Moment of inertia of a stiff wire bent into a wheel with spokes
- mcphyssics
- · Replies 2 ·
Velocity of center of mass of spinning disk
- atlarge
- · Replies 4 ·
Angular Momentum of Shot Question
- Ghostscythe
- · Replies 1 ·
Pendulum hitting a peg/conservation of energy
- shawli
- · Replies 1 ·
Expressing answers answers for numbers and unites.
- Sun44
- · Replies 1 ·
Power as it relates to constant velocity but increasing speed
- student1984
- · Replies 1 ·
Finding velocity of third piece after explosion
- sg1272
- · Replies 1 ·
Conservation momentum using center of mass
- ex81
- · Replies 4 ·
How to find the mass of a sphere in a problem
- Confusedalot1
- · Replies 1 ·
Doppler Effect Source Moving Away
- JSGandora
- · Replies 1 ·
Doppler Effect Source Moving Closer
- JSGandora
- · Replies 5 ·
How Fast Is a Race Car After Traveling 200 Meters?
- vaironl
- · Replies 6 ·
Calculating Velocity & Kinetic Energy After Explosion
- monkey89
- · Replies 17 ·
Relating pump speed to flow rate and pressure in a Coriolis meter
- amitkaria2k
- · Replies 2 ·
Angular speed vs. Orbital speed
- austindubose
- · Replies 2 ·
Why does a metal spoon get hot but its wooden handle doesn't?
- parmi38
- · Replies 2 ·
Capacitors in a circuit as Plates.
- zellwwf
- · Replies 10 ·
Force of seat belt on person in when car collides into a piston
- HoanillaBean
- · Replies 1 ·
The Effect of Temperature on Resistivity
- I-need-help
- · Replies 1 ·
Does grounding always neutralize charge the same way?
- NeuronalMan
- · Replies 1 ·
Car collision with an object far away
- HoanillaBean
- · Replies 1 ·
Rotational Kinematics-Vinyl Record
- aokidopi
- · Replies 9 ·
Time Projectile Problem Solved - Thanks!
- MrRandom66
- · Replies 23 ·
Basic Quantum mechanics, H2 approximation with SHO
- osheari1
- · Replies 3 ·
Galilean and Lorentz transformation
- lizdaf
- · Replies 1 ·
Energy conservation( system of masses)
- murcy
- · Replies 7 ·
How Do I Calculate the Magnetic Force on a Coil from a Circular Ring?
- meteorologist1
- · Replies 1 ·
Why does block A stay on block B with only a rightward force?
- eprex
- · Replies 9 ·
Can a Capacitor Have a Positive and Negative Plate Charge?
- Legendon
- · Replies 1 ·
Calculating Work Done on an Inclined Plane
- tmatthews13
- · Replies 2 ·
How do you calculate work done by gas in a thermodynamic process?
- U.Renko
- · Replies 8 ·
Solving Circuit Confusion with KVL Laws
- madah12
- · Replies 8 ·
Current in two 12V batteries in parallel and series with external resistance
- auk411
- · Replies 2 ·
Isolated system/conservation of energy
- shawli
- · Replies 2 ·
Centripetal Force: Banked Curve
- badsniper
- · Replies 1 ·
Calculate the work done by friction
- cc2hende
- · Replies 5 ·
Given the diagram, what is the tension in each string?
- laladude
- · Replies 3 ·
What's the final tangential velocity of the mill wheel?
- mathematikoon
- · Replies 1 ·
How Do You Calculate the Unknown Charge in an Electrostatic Field?
- Nitrate
- · Replies 4 ·
Light Waves, Color, and Soap Bubbles
- beefcakes_mcg
- · Replies 1 ·
Basic harmonic oscilator problem (but I'm having troble solving it)
- U.Renko
- · Replies 6 ·
What is the centripetal acceleration?
- laladude
- · Replies 3 ·
Total energy, speed, resistive force
- furor celtica
- · Replies 4 ·
How Can Physics Predict the Danger Zone for Plants from Falling Snow?
- sasuke07
- · Replies 3 ·
Calculate difference in pressure?
- gibson101
- · Replies 6 ·
Circular Motion of a roller coaster
- mtm6042
- · Replies 1 ·
How Do Friction and Tension Affect Motion in Physics Problems?
- newphysicist
- · Replies 1 ·
At What Wavelength is the Peak of the Planet's Blackbody Intensity Function?
- TheCammen
- · Replies 2 ·
Normal force on a student on a Ferris wheel at different speeds
- SkyRequiem
- · Replies 1 ·
Simple Harmonic Motion of a bolt of mass
- QuarkCharmer
- · Replies 7 ·
Rotational Motion maximum acceleration
- physgrl
- · Replies 10 ·
How does air restistance affect a projectile?
- lindsey0307
- · Replies 1 ·
Radial Net Force/Circular Motion Valley Question
- whit13j
- · Replies 8 ·
How Do You Calculate Displacement at Reduced Velocity in Free-Fall Motion?
- The Eggman
- · Replies 1 ·
What is the height of the Willis Tower in Chicago based on changes in gravity?
- math34
- · Replies 6 ·
Finding Force in Potential Energy vs. Interatomic Distance graph
- gunster
- · Replies 1 ·
Why does a body accelerate if the net force is constant?
- Miike012
- · Replies 1 ·
Solving Static Equilibrium Problem
- DrunkApple
- · Replies 6 ·
Calculating the Force of a 1500kg Car on the Road
- kthejohnster
- · Replies 6 ·
Calculating Maximum Resolution of Electron Microscope
- Airplane7
- · Replies 18 ·
What is the magnitude of the net gravitational force
- QuarkCharmer
- · Replies 4 ·