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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Projectile Theory Homework: Understanding Velocity and Fall Time
- gamer1319
- · Replies 7 ·
Calculating Fluid Flow Rates and Speeds in a Heating System
- NeedsHelp1212
- · Replies 2 ·
Differential equations (initial-value problem)
- DivGradCurl
- · Replies 4 ·
Direction of Movement for Barbara
- gamer1319
- · Replies 1 ·
Find distance for gravity to do only -4 J of work
- P-Illiterate
- · Replies 15 ·
Truss-Member Forces- Method of sections
- twenty5
- · Replies 1 ·
Could somebody please explain this problem to me?(torque/angular momentum)
- nlsherrill
- · Replies 8 ·
How to Determine θ for a Sliding Block Sticking to a Pivoting Rod?
- Roddie031
- · Replies 1 ·
Calculating Force on a Roller Coaster: 21kg Boy, 6.7m/s Speed, 14m Radius
- Rwarno
- · Replies 9 ·
Static Equilibrium of a 10m Rod with a Hanging Weight at 1.46m Distance
- nameVoid
- · Replies 1 ·
How Does Relative Motion Affect What Barbara Sees While Rollerblading?
- gamer1319
- · Replies 2 ·
Electron moving in a Copper Wire
- member 217843
- · Replies 1 ·
How Do You Calculate the Mass of Object A?
- oo7 - 2oo
- · Replies 3 ·
What Is the Initial Speed of a Diver Jumping from a 10m Board?
- Matt1234
- · Replies 2 ·
Optimizing Energy Efficiency through Speed Ratio Analysis
- TN17
- · Replies 3 ·
3 Blocks being pushed together by a force
- JyN
- · Replies 1 ·
Confirm Your Solving a Physics Problem
- Matt1234
- · Replies 6 ·
Solving the Rotational Angle of a Strangely-Shaped Slab
- mopar969
- · Replies 11 ·
Speed of the Sun in the Milky Way Galaxy
- cayliejae33
- · Replies 1 ·
Proving Vector Identities Using the Permutation Tensor and Kroenecker Delta
- Stuart Caffre
- · Replies 5 ·
Rotational Inertia of Irregular Disk
- Kyle8624
- · Replies 5 ·
Integrating e^f(x): A Simple Explanation and Common Pitfalls
- tetris11
- · Replies 1 ·
Finding Mass of Non-Uniform Density
- Mr LoganC
- · Replies 9 ·
Extending Newton's Law to real life. No more ideal systems
- flyingpig
- · Replies 1 ·
Particle energy through magnetic and electric field
- Sonko
- · Replies 4 ·
Limit to number of standing waves in pipes?
- eknox123
- · Replies 1 ·
Solve the Problem of Rotating a Strangely-Shaped Slab
- mopar969
- · Replies 1 ·
What is the Angle of Incline on a Frictionless Air Track?
- idlackage
- · Replies 6 ·
Calculating Period of Oscillation for a Colliding System
- SMG75
- · Replies 3 ·
Oscillation with Two Springs (SMH)
- Dante Tufano
- · Replies 5 ·
Unraveling the Mystery of Tippe Top's Spin
- al_9591
- · Replies 1 ·
Electric Flux through a Gaussian Surface
- phisci
- · Replies 5 ·
Is the Angle Between Acceleration and Velocity Vector Greater Than 90 Degrees?
- KatlynEdwards
- · Replies 3 ·
Projectile motion + force transfer
- eh...What
- · Replies 3 ·
Temperature and Entropy of an ideal gas
- moonkey
- · Replies 2 ·
What are the potential applications of high temperature superconductors?
- zaraox
- · Replies 1 ·
How Can Kinetic Energy Change with Zero Net Work?
- madah12
- · Replies 3 ·
Finding Length of a Pendulum from Kinetic Energy
- Dante Tufano
- · Replies 4 ·
Troubleshooting Lab Errors with a Ballistics Pendulum
- jubbly
- · Replies 1 ·
Total Force on 8.00m Wide Aquarium Wall Increase
- jarod
- · Replies 3 ·
Centripetal Force and Force due to gravity?
- wooker
- · Replies 3 ·
Finding Wavelength and Velocity of an Ocean Wave.
- Whatamiat
- · Replies 3 ·
Optics problem: concave or convex
- cdotter
- · Replies 1 ·
How would the electric field look like for an electron gun?
- chroncile
- · Replies 2 ·
Impact parameter of alpha particles
- stripes
- · Replies 1 ·
Finding the wavelength of this wave
- -Dragoon-
- · Replies 6 ·
Calculating the Minimum Safe Drop Height for a Bungee Jumper
- shawn123
- · Replies 1 ·
Tensions in a swing problems using variables
- Confusingmeh
- · Replies 1 ·
Does Using a Ramp Reduce the Work Needed to Move Objects?
- missmallyb
- · Replies 3 ·
Doppler Effect Homework: Find Speed of Ambulance
- asdf12321asdf
- · Replies 2 ·
How can I measure capacitance without expensive equipment?
- zhirong_ab
- · Replies 20 ·
Assignement 3; Oscillation problem
- kuttaman
- · Replies 1 ·
Newton's Second Law Elevator Problem
- Ryuky
- · Replies 1 ·
Supernova Explosion: 720 Light-Years Away from Earth
- kvan
- · Replies 2 ·
Calculate the Radial & Angular Components of Force for Particle Trajectory
- mopar969
- · Replies 12 ·
How Many Radioactive Atoms Are in a 6GBq Sample of 99mTc and What Is Its Mass
- Millano
- · Replies 1 ·
How Much Force Must Each Person Exert to Carry the Couch Levelly?
- mxh91
- · Replies 12 ·
Power Dissipated: Find Solution & Understand Why
- AirForceOne
- · Replies 5 ·
Finding slit separation from fourth-order fringe position
- iurod
- · Replies 3 ·
Solve Jumping Toy Problem: Find Spring Constant & Power
- MozAngeles
- · Replies 4 ·
How Do You Derive the Equation for a Traveling Sinusoidal Wave?
- moonkey
- · Replies 1 ·
Which Temperature Adjustment Improves Carnot Engine Efficiency More?
- kwuk
- · Replies 2 ·
Determine mass of a glider on an air track
- idlackage
- · Replies 3 ·
How Is Water Density Affected at Depths of 5.3 km?
- LBloom
- · Replies 13 ·
How do I calculate the energy for a satellite in orbit?
- max0005
- · Replies 13 ·
Thermodynamics, energy, momentum
- MozAngeles
- · Replies 2 ·
Artificial Gravity: Benefits & Uses
- coltsamuel96
- · Replies 6 ·
E-Field in a Ring: Homework Solutions
- yinx
- · Replies 1 ·
What is the maximum speed and spring constant of a weight on a massless spring?
- wondermoose
- · Replies 3 ·
Lightly damped oscillator, what is the time constant
- Clairepie
- · Replies 1 ·
Energy Needed to Move a Satellite to Earth's Orbit
- max0005
- · Replies 9 ·
Find potential energy of a particle
- Hawraa
- · Replies 2 ·
Integrals with a circle in the middle of them
- PainDoc
- · Replies 1 ·
Mastering a Tough Physics Problem to Success and Gratitude
- hmfaysal
- · Replies 1 ·
Calculating Potential Difference in a Suspended Parallel Plate Capacitor
- kkevinzhang
- · Replies 2 ·
Callculating orbital radius with parallax and arc seconds
- paulusmaulus
- · Replies 1 ·
Understanding Elastic and Inelastic Collisions in Ballistic Pendulums
- jubbly
- · Replies 1 ·
Determining revolution using Angular Motion
- petereater
- · Replies 1 ·
How Can Kinetic Energy and Velocity Be Calculated at the Bottom of a Hill?
- Cali10
- · Replies 4 ·
Frequency, period, oscillation, and pendulum problems
- Placeboy
- · Replies 3 ·
Using Lagrangian and Euler to Analyze the Falling Stick Problem
- Raziel2701
- · Replies 1 ·
Time to bring water to its boiling point?
- pebbles
- · Replies 8 ·
What is the Angular Speed of a Disk Pulled with a Constant Force?
- MillerGenuine
- · Replies 2 ·
Electrostatic force between charged and neutral object?
- Dragynfyre
- · Replies 2 ·
Calculating Voltage Across R and C in Series
- themonk
- · Replies 2 ·
How to calculate work done by friction on a falling feather?
- petern
- · Replies 11 ·
Member forces of a simple Truss
- twenty5
- · Replies 2 ·
Finding Force for Backpacker in Bear Sling Equilibrium
- Lightsout565
- · Replies 5 ·
Soccer 'Heading': Calculating Impulse of a Ball
- nicknaq
- · Replies 2 ·
AP Physics B - Satellite/Orbit problem?
- ohmygosh123
- · Replies 2 ·
Angular Momentum of a 3kg Particle at t=5s
- Nickluvn
- · Replies 3 ·
Beginner Physics: Learn the Basics Now!
- Numnum
- · Replies 3 ·
Calculating Pool Depth: An Angle of 14o
- yekidota
- · Replies 1 ·
What does wt stand for in oscillation equations
- nocturne-e
- · Replies 2 ·
Force needed to push an incline with a mass on it
- nagaromo
- · Replies 3 ·
Quick Pendulum and Trig Question
- seuzy13
- · Replies 2 ·
What Is the Ratio of Distances Each Block Travels After a Firecracker Explosion?
- pb23me
- · Replies 3 ·
1D Motion - Position as a Funtion of Time
- Wboyt92
- · Replies 2 ·
Ratio density of liquid - pressure
- zorro
- · Replies 12 ·
How Do You Calculate Final Pressure in Connected Gas Containers?
- FahimP
- · Replies 2 ·