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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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
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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 ·
Calculating Maximum Height and Flight Time of a Model Rocket Launch
- gadawg90
- · Replies 7 ·
How to figure out a equation given the variables
- Kennyh
- · Replies 3 ·
If you are told an object is accelerating what should you conclude?
- DUCEDAWG
- · Replies 3 ·
Verifying the Limits of Newton's Second Law with Blocks
- IHateMayonnaise
- · Replies 5 ·
Shopper on moving and stationary escalators
- Warmacblu
- · Replies 3 ·
Physics. Linear Mechanics question
- vegetto34
- · Replies 7 ·
Minimum force to hold an inverted cone with two fingers
- physicsguy10
- · Replies 2 ·
Damped harmonic oscillator and displacement
- Eric_meyers
- · Replies 5 ·
Combining Lenses and Mirrors: Finding the Focal Length and Image Formation
- stpmmaths
- · Replies 2 ·
Stuntman jumping between buildings with 1s flight time
- CandyApples
- · Replies 3 ·
Distance travelled with constant velocity or constant acceleration
- Physics1854
- · Replies 1 ·
Capacitance potential difference Problem
- mustang1988
- · Replies 8 ·
Potential difference(capacitor)
- stpmmaths
- · Replies 2 ·
Why doesn't radius depend on cord length in conical pendulum?
- Dell
- · Replies 1 ·