Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Finding dielectric constant when 240 µC extra charge accumulates
- wadini
- · Replies 1 ·
Electricity and potential energy
- wadini
- · Replies 3 ·
Kinetic Energy of Ion accelerated across potential difference
- iuchem16
- · Replies 2 ·
How to write conservation of momentum hypothesis in if-then format
- shredder666
- · Replies 5 ·
Finding air time for Olympic long jumper with 7.7m jump distance
- Amel
- · Replies 20 ·
Thermodynamics, energy, work, heat problem
- edsuave
- · Replies 9 ·
Force on point charge at origin with charges at 50 cm and 100 cm
- PetetheGreek
- · Replies 3 ·
Tension in wire connecting charged conducting spheres
- ktobrien
- · Replies 4 ·
Determining speed and acceleration magnitude from graph
- malik123
- · Replies 4 ·
What Determines the Acceleration Direction in Pendulum Motion?
- Lemniscate
- · Replies 3 ·
How Do You Calculate the Velocity of a Canoe Relative to a River?
- Lemniscate
- · Replies 1 ·
Calculating acceleration due to gravity on a planet
- Bryon
- · Replies 3 ·
Acceleration with limited known variables Question
- bbauer2
- · Replies 4 ·
Displacement and Velocity Problem
- Loppyfoot
- · Replies 2 ·
Kinematic Problem: Finding Initial Height of a Thrown Baseball in 2.53 Seconds
- SELFMADE
- · Replies 2 ·
Simple vector problems (but causing me a headache)
- Wishingwell
- · Replies 2 ·
Finding half-life from Y=Ae^(-t/lambda)
- fuzzybear
- · Replies 1 ·
How Do You Calculate Uncertainties in Velocity Measurements?
- DrDanger
- · Replies 1 ·
Pitcher Throwing A Ball In Protest
- Warmacblu
- · Replies 12 ·
How Do You Calculate the Average Speed for a Round Trip?
- mbayabo
- · Replies 7 ·
Calculating Time and Distance in a Constant Velocity Sprinting Problem
- bbauer2
- · Replies 3 ·
What Is the Separation Between Two Cars After Distracted Driving?
- demonelite123
- · Replies 3 ·
How Do I Solve This Equilibrium Moment/Torque Problem?
- stpmmaths
- · Replies 6 ·
How does ultrasound imaging create a cross-section view instead of a top view?
- Shaybay92
- · Replies 1 ·
A ball is thrown and I'm trying to understand why
- exparrot
- · Replies 9 ·
Find average velocity of Vector A and B
- Arshad_Physic
- · Replies 2 ·
Calculating Initial Velocity for Accurate Basketball Shot
- Alserina
- · Replies 3 ·
Finding initial speed and acceleration of a truck slowing down
- WonkySlinky
- · Replies 2 ·
How many drops in all the oceans?
- Lemniscate
- · Replies 4 ·
Find the direction of the resulatnt vector
- Arshad_Physic
- · Replies 2 ·
Difficult Projectile Motion Arrow Problem
- JoshMP
- · Replies 7 ·
Finding average velocity from a velocity-time graph
- tascja
- · Replies 1 ·
Calculating velocities with only acceleration and time
- noelani
- · Replies 2 ·
Adding Horizontal Vectors Graphically
- Lemniscate
- · Replies 3 ·
Cross a River: Time Needed for 1.5km Distance at 6.6km/h Speed
- megamax48
- · Replies 1 ·
Components and Vectors and Lengths, Oh My
- Aquas
- · Replies 1 ·
Electric field from two concentric charged cylinders
- fluidistic
- · Replies 6 ·
Calculate Acceleration of Thrown Baseball: 5.98s, 1.2m from Rest
- yankeekd25
- · Replies 2 ·
Finding the Shortest Path in a Vector Space
- Neophyte
- · Replies 2 ·
Why doesn't this solution work?
- dvs0826
- · Replies 9 ·
How Do You Calculate Half-Life from an Exponential Decay Equation?
- fuzzybear
- · Replies 3 ·
Checking astronomy answers on apparent magnitude and circumpolar constellations
- ChrisEffinSmi
- · Replies 1 ·
How is Pressure Calculated in a Chemical Reaction Using the Ideal Gas Law?
- Jules18
- · Replies 4 ·
Predicting time for water to drain from cup
- SkiBum326
- · Replies 1 ·
Flywheel energy storage for a 330 km car trip
- LBloom
- · Replies 1 ·
Understanding Simple Kinematics: Solving for Velocity in Resisted Motion
- bcjochim07
- · Replies 1 ·
Relate simple harmonic motion to circular motion
- peanut15
- · Replies 3 ·
Incline plane, two masses, a pulley
- jimz
- · Replies 2 ·
Heat and work in adiabatic container
- kiwikahuna
- · Replies 1 ·
What Was the Initial Speed of a Ball Thrown Horizontally from a Building?
- Aquas
- · Replies 1 ·
Solving Physics Puzzles in Space: A 500cm^3 Challenge
- jcz2
- · Replies 2 ·
Heat Transfer of nail into a board
- amiv4
- · Replies 2 ·
Maths problem: deriving expressions for the critical temperature/volume/pressure
- Lisa...
- · Replies 4 ·
Projectile Motion of a Pebble on the Sloping Faces of Pyramid Cheops
- joemama69
- · Replies 5 ·
Dimensional Analysis of Free-Fall Time of Astrophysical Gas Ball
- CaptainEvil
- · Replies 1 ·
Vectors and motion in 2D (physics problem)
- natty210
- · Replies 1 ·
Calculating Time and Final Velocity of a Ball Thrown into the Air
- Amel
- · Replies 3 ·
Motion with constant acceleration
- Quantum_Grid
- · Replies 2 ·
What Is the Final Temperature in the Copper Calorimeter Experiment?
- amiv4
- · Replies 4 ·
Addition of vectors and direction
- almangar
- · Replies 3 ·
Finding initial velocity from distance and final velocity
- Krasz
- · Replies 3 ·
Force that link 3 exerts on link 2 in vertically lifted chain
- Zhalfirin88
- · Replies 15 ·
How Is Work Calculated in a Forced Oscillation with Resistance During Resonance?
- bour1992
- · Replies 4 ·
Finding Force and Steep Grade for a Train with Given Acceleration and Drag Force
- chenying
- · Replies 5 ·
Finding Final Velocity [Need Assistance]
- pharmguy
- · Replies 2 ·
Copper cylinder volume increases by 0.150% from 20°C
- amiv4
- · Replies 1 ·
Person walking on overhanging plank before it tips
- renaldocoetz
- · Replies 8 ·
Simple,quick relative velocity question?
- sameeralord
- · Replies 3 ·
Find its position at the instants when velocity is zero
- AlexGM07
- · Replies 4 ·
Car at traffic light with position x(t) = bt² + ct³
- jcz2
- · Replies 2 ·
How Long Will it Take Me to Catch The Bus?
- bleedblue1234
- · Replies 1 ·
Study guides for Serway college physics
- swiftjab
- · Replies 1 ·
Backpacker walking west then east with different velocities
- buyerat
- · Replies 7 ·
Horizontal velocity of a baseball throw at 35°
- hurtingBrain
- · Replies 39 ·
Finding velocity at t=7.0s from position, velocity, and acceleration graphs
- Mirole
- · Replies 5 ·
Negative time and positive time
- kellyab8
- · Replies 1 ·
Rectilinear Motion with Constant Acceleration
- Foghorn
- · Replies 3 ·
How Long Does a Bolt Fall the Last 28% of 85 Meters?
- Gattz
- · Replies 10 ·
Connected Capacitor: Potential & Charge
- songoku
- · Replies 11 ·
Solving the Toaster Friction Problem
- blackboy
- · Replies 10 ·
How to Calculate Velocity of a River Using Relative Motion Equations?
- JoshMP
- · Replies 2 ·
Average speed for a 42.2 km marathon run in 3 h 53 min 17 s
- _wantana
- · Replies 4 ·
Calculating Initial Velocity and Acceleration of Passing Cars
- demonelite123
- · Replies 5 ·
Superball bouncing off wall average acceleration
- bearhug
- · Replies 8 ·
Challenging Physics problem of the week. Do as much as you can. Thanks
- geo951
- · Replies 3 ·
Angular relationship question.
- CandyApples
- · Replies 1 ·
Power Dissipation in Driven Oscillator: Calculate Average
- swuster
- · Replies 3 ·
Finding Velocity and Position of a Moving Particle: A Function of Time
- Loppyfoot
- · Replies 6 ·
What Is the Minimum Coefficient of Static Friction for a Ball Against a Wall?
- philnow
- · Replies 1 ·
What Is the Minimum Time for a Sportscar to Travel 1/2 Mile from Standstill?
- ttja
- · Replies 1 ·
Stable equilibrium and net force
- physgirl
- · Replies 4 ·
Object drops vertically with a horizontal force acting on it
- MechaMZ
- · Replies 1 ·
Basic Kinematics HW questions for AP Physics
- cntower
- · Replies 1 ·
Force Needed to Propel Object to 100m on Moon
- codeman9
- · Replies 11 ·
Finding the magnitude of velocity given vx and vy
- chelseaalyssa
- · Replies 3 ·
Electric field of an infinite charged rod
- fluidistic
- · Replies 1 ·
Stuntman jumping 2D kinematics.
- CandyApples
- · Replies 1 ·
What Does the Slope of a Force vs. Acceleration Graph Indicate?
- psychosushi
- · Replies 4 ·
Zero net force and acceleration in cars, trucks, planes, boats and rockets
- DUCEDAWG
- · Replies 7 ·
Backpacker walking west then east with average velocity
- kathypoot
- · Replies 3 ·