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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Will Jack's swing break the vine?
- vtech
- · Replies 2 ·
How much time does it take to lift the piano?
- BlackMamba
- · Replies 2 ·
How Is Work Calculated in the Presence of Kinetic Friction?
- shawonna23
- · Replies 2 ·
Is the Color Spectrum Just a Fraction of the Electromagnetic Spectrum?
- krypt0nite
- · Replies 2 ·
Preparing Physics Tournament Project: Wind-Powered Car Design
- ponjavic
- · Replies 5 ·
Average acceleration of an air cart from two velocity measurements
- miranda82
- · Replies 9 ·
How Does Wind Affect a Boat's Speed and Direction?
- guru
- · Replies 4 ·
Momentum Conservation in Tennis Ball Collision
- quick
- · Replies 3 ·
Why Must m Be a Power of 2 for 2^m + 1 to Be Prime?
- Zurtex
- · Replies 2 ·
Is a Skydiver at Terminal Velocity an Inertial Reference Frame?
- Soaring Crane
- · Replies 2 ·
Finding atmosphere height from weight and constant density
- EdenKhan
- · Replies 2 ·
Can a Baseball Thrown at 25 m/s Hit a Window 13 Meters High and 50 Meters Away?
- descartes75
- · Replies 4 ·
Finding Fx when the angle doesn't create a right angle
- Aladdinnas
- · Replies 2 ·
Calculate Velocity of 3.15 kg Ball Released from Compressed 1.96 m Spring
- strugglin-physics
- · Replies 4 ·
I'm finding force and vectors extreemly difficult
- faisal
- · Replies 2 ·
Quick Physics Q (total distance)
- preet
- · Replies 3 ·
How Do You Solve These Introductory Physics Problems?
- Bison_Lover
- · Replies 4 ·
Finding center of mass with linear mass density
- tibu
- · Replies 2 ·
Energy Dissipated by Air Friction: Determine the Amount
- TraceBusta
- · Replies 2 ·
How to express inverse trig and hyperbolic functions exponentially
- Hypnotoad
- · Replies 5 ·
Skateboarder work and energy with friction and height change
- miranda82
- · Replies 1 ·
How far does a block go up a frictionless ramp?
- Talby
- · Replies 2 ·
How Do You Calculate Work on an Incline with Friction and Angled Forces?
- Callisto
- · Replies 9 ·
Horizontal motion with quadratic resistance
- Speags
- · Replies 2 ·
Calculating Electric Fields Using Gauss' Law and Symmetry
- purplex76
- · Replies 3 ·
Is This a Conservation of Momentum Problem?
- shawonna23
- · Replies 2 ·
Calculating Image Visibility with 500 Lumens
- sharp81
- · Replies 3 ·
Conservation of mechanical energy of bungee jumper
- joej
- · Replies 2 ·
Apparent depth of coin in water using Snell's law
- benhorris
- · Replies 2 ·
What is the Free Body Diagram for a Chain with Four Links?
- jhson114
- · Replies 3 ·
Physics Hwk. problem: Conservation of Linear Momentum
- shawonna23
- · Replies 3 ·
Which terms should be grouped together for factorization?
- Johnny Leong
- · Replies 2 ·
Rocket Fired in Deep Space: Calculating Exhaust Gas Speed
- ElectricMile
- · Replies 4 ·
Tennis ball Centripetal force question
- saltrock
- · Replies 8 ·
Six homework problems on momentum, work, and energy
- SJC25
- · Replies 2 ·
Physics Problem: Work-Kinetic Frictional Force
- shawonna23
- · Replies 2 ·
Why Does the Spaceship Come to a Halt When Firing a Rocket?
- shawonna23
- · Replies 2 ·
Ball Thrown Upward from Ground Level
- Little-T
- · Replies 2 ·
Difference between insolation and solar radiation
- no idea
- · Replies 2 ·
Gravitational forces and constant acceleration
- UrbanXrisis
- · Replies 3 ·
Why determine the mass and charge of an electron
- Dutch
- · Replies 2 ·
At what value of h does the flow stop?
- jaidon
- · Replies 4 ·
Laplace's Equation and Seperation of Multivariable Differential Equation
- dduardo
- · Replies 2 ·
Angular displacement of a rolling ball falling off a table
- BlackMamba
- · Replies 16 ·
What is their velocity just after the tackle?
- doxigywlz
- · Replies 2 ·
Horizontal and Vertical Velocity of a Truck on a 10 Degree Incline
- Miraploy
- · Replies 2 ·
Resultant velocity of a plane and a vector addition diagram
- muse
- · Replies 2 ·
How Should Gravity Impact Calculations of Speed in Spring Compression Problems?
- AtlBraves
- · Replies 3 ·
What Equations Calculate Tangential Acceleration Correctly?
- pennyfx
- · Replies 2 ·
Calculating Flight Direction and Time with Wind Factors
- anshu
- · Replies 2 ·
How can I save my pet fish by using heat and temperature calculations?
- Maw615
- · Replies 2 ·
Conservation of Energy. Fountain Question
- mfianist
- · Replies 2 ·
Maximum force on bottom block before top block slides
- mewmew
- · Replies 6 ·
Solving for Velocity in a Three-Piece Explosion
- ElectricMile
- · Replies 4 ·
How High Does the Piston Rise in an Ideal Gas Problem?
- andrew410
- · Replies 6 ·
What is the limit of the given expression when n goes to infinity?
- quasar987
- · Replies 6 ·
De Broglie Waves: Questioning Accuracy?
- CollectiveRocker
- · Replies 2 ·
Pump lifting water 16 kg per minute through 3.38 m
- strugglin-physics
- · Replies 2 ·
What are the Percentiles and Z-Scores for Bowling Scores?
- majinknight
- · Replies 2 ·
Kinetic Friction on inclined plane problem
- VinnyCee
- · Replies 2 ·
Calculate Work Done by Force F on Mass 109g Object
- strugglin-physics
- · Replies 6 ·
Continuing My Quest - Physics Plebe
- PhysicsNovice
- · Replies 3 ·
Newtonian Problems #4 - Still Struggling
- PhysicsNovice
- · Replies 3 ·
Symmetry in crystal structures-
- Claire84
- · Replies 2 ·
What is the gravitational force if the distance is tripled
- ameriland_06
- · Replies 19 ·
Mercury overflow from a beaker and lead sphere as temperature increases
- andrew410
- · Replies 5 ·
How did the book do this integration
- kdinser
- · Replies 3 ·
How to solve combinatorics problems
- kikar
- · Replies 7 ·
Calculate Diameter of Single Copper Wire for Same Resistance as 9 Wires
- Physicsisfun2005
- · Replies 2 ·
Physics element in october sky
- furtivefelon
- · Replies 2 ·
Calculating Work to Stop a Moving Electron
- strugglin-physics
- · Replies 4 ·
Acceleration of spring power cart
- ms. confused
- · Replies 5 ·
Determine the velocity of the car after it has been floored for 8 seconds
- 2Pac
- · Replies 3 ·
How Do Charges Affect Velocity at Infinite Distances?
- antiflag403
- · Replies 6 ·
Angular Acceleration of a Rotating Wheel: Solving a Common Question
- mickeychief
- · Replies 4 ·
Solving differential equation for water draining through Bernoulli's principle
- Theelectricchild
- · Replies 11 ·
Griffiths Introduction to Electrodynamics problem 3.41
- nops77
- · Replies 2 ·
How Cold to Separate a Heated Brass Ring from an Aluminum Rod?
- andrew410
- · Replies 4 ·
Solving PSE6 6.P.011: Find Tension in Strings
- ramin86
- · Replies 4 ·
Angles between the forces Problem
- krypt0nite
- · Replies 3 ·
How Strong Is the Sun's Gravity at Earth's Orbit Distance?
- guru
- · Replies 7 ·
Quantum Mechanics with DIRAC NOTATION
- JamesJames
- · Replies 11 ·
A few circuit analysis questions.
- SpeedBird
- · Replies 4 ·
Maximum lateral acceleration of a car on a skid pad
- ramin86
- · Replies 6 ·
Infant Mortality Rate for Twins: AMA Report 1996
- Shay10825
- · Replies 3 ·
Does solid Iodine dissolves in hexane
- Windwaker2004
- · Replies 2 ·
Solving Electric Field Problems
- rhaylor
- · Replies 2 ·
Which direction does the Earth's permanent magnet point and why?
- vsage
- · Replies 2 ·
What is the force being applied to the box?
- ms. confused
- · Replies 8 ·
How Do You Calculate the Force Between a Car and a Truck?
- guru
- · Replies 4 ·
Electric flux through one face of a cube with central point charge
- crazynut52
- · Replies 3 ·
Observed light at light speeds.
- Kifinger
- · Replies 9 ·
Your thoughts on a proof of Matrix Operations
- Divergent13
- · Replies 5 ·
Block against cart and stacked blocks with friction
- midnightassassinx
- · Replies 2 ·
Crate Friction on Horizontal Floor
- VinnyCee
- · Replies 2 ·
Revolutions per second question
- guru
- · Replies 2 ·
Is there anything such as a frictionless surface?
- guru
- · Replies 2 ·