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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Finding acceleration and force of pulling
- Whitishcube
- · Replies 2 ·
Calculating Volume of a 100kg Mass in Freshwater
- LoveKnowledge
- · Replies 1 ·
Permittivity Constant and Coulomb's Law
- erok81
- · Replies 1 ·
20N Fapp vs 20N mass on a pulley
- dunntastic
- · Replies 7 ·
Motion Near Earth's Surface - grade 11 physics
- sarmar
- · Replies 5 ·
Is the Vector Product Really a Vector?
- golshah
- · Replies 3 ·
Conservation of Energy: Kinetic to Elastic Potential
- awelex
- · Replies 1 ·
How Do Friction and Incline Angle Affect Forces Between Two Sliding Masses?
- nikieme
- · Replies 1 ·
Finding Brewster's Angle via Fresnel Equation
- 876d34f
- · Replies 2 ·
Designing a Mousetrap Car for Optimal Distance: A Physics Project
- Garabaldi
- · Replies 2 ·
A solid non conducting sphere
- Liquidxlax
- · Replies 4 ·
Conserved Momentum Problem: Finding Velocity of a Block on a Slope
- ippo90
- · Replies 28 ·
To find out forward force of a ship
- paddygills
- · Replies 1 ·
Volume question (freshwater, saltwater, mercury)
- LoveKnowledge
- · Replies 9 ·
Projectile physics homework problem
- UNknown 2010
- · Replies 10 ·
Proving Velocity Averaging: <u> = 0, <u^2> = 1/3 <v^2> & <|u|> = 1/2 <v>
- bon
- · Replies 1 ·
What is the acceleration of a bullet passing through a board?
- fiziks09
- · Replies 3 ·
Trajectory of a cyclist leaving a ramp
- pb23me
- · Replies 8 ·
Projectile Motion: Negative Launch Angles?
- mliuzzolino
- · Replies 9 ·
Gold Cube Density Problem: Calculating Side Length for Double Mass
- LoveKnowledge
- · Replies 4 ·
Interacting Systems - Acceleration and Pulleys
- mantillab
- · Replies 11 ·
How to Calculate Gravitational Force in a Triangular Configuration?
- ravennnn
- · Replies 4 ·
Nonconducting surface uniform charge hole
- Liquidxlax
- · Replies 2 ·
Athlete jumps at angle with distance find speed
- afa
- · Replies 8 ·
Could an antimatter alien's arrival on Earth cause a global explosion?
- LoveKnowledge
- · Replies 4 ·
What Was the Take-Off Speed of the Long Jumper?
- dmkeddy
- · Replies 3 ·
Block attached to string, wrapped around hollow cylinder and free to rotate
- Tina20
- · Replies 1 ·
How Does a Skier's Energy Change Through Different Stages?
- katj
- · Replies 5 ·
Two blocks connected by string passing over a pulley on an incline
- Tina20
- · Replies 5 ·
Rotating Rockets Homework: Angular Vel. After 33s
- Tina20
- · Replies 6 ·
Find the equation for velocity as a function of time
- ggb123
- · Replies 1 ·
Calculating Electron Deflection in a Ballistic Electron Transistor
- Duncan1382
- · Replies 1 ·
What is the Correct Wavelength of Light in an Interference Experiment?
- stphillips
- · Replies 6 ·
Determine the tension in the coupling
- navjot
- · Replies 2 ·
Heat Loss from Boiling Water: Conduction & Convection
- ProgMetal
- · Replies 1 ·
Projectile motion maximum range
- Willian93
- · Replies 2 ·
Get Physics Help for Mature Students: Understanding SUVAT Equations and More
- ste_1129
- · Replies 1 ·
Mechanical Tennis Ball Cannon/Mortar Project Help
- noturn10
- · Replies 2 ·
How does wind direction affect Earth's rotation time?
- levaphysics
- · Replies 3 ·
What Temperature Causes the Piston to Move in a Saturated Water Vapor System?
- seang
- · Replies 3 ·
How Does a Canoe Move When You Walk in It?
- perfectlovehe
- · Replies 1 ·
Calculating Voltage Across a Capacitor in a Series Circuit
- roam
- · Replies 5 ·
How Do Grating Lines and Wavelength Affect Diffraction Patterns?
- physicoo
- · Replies 10 ·
How much work is done by friction during the car's slide down the hill?
- fatty1
- · Replies 6 ·
Given Power, Weight, and Vmax find Vmax at angle θ
- Jack_Straw
- · Replies 1 ·
What is the total magnetic flux through the plastic of the soda bottle?
- mnafetsc
- · Replies 1 ·
Grass Seed and Electric Field Demo
- erok81
- · Replies 1 ·
Conceptual Question About Vertical Spring System
- lvslugger36
- · Replies 3 ·
Velocity vs time and acceleration vs time
- pb23me
- · Replies 6 ·
Friction Question: Finding Time and Distance with Kinetic Coefficients
- car202
- · Replies 2 ·
Work & Friction: Calculating Magnitude
- pur3geet7
- · Replies 1 ·
Calculating work done by a spring when stretched
- vinnyzwrx
- · Replies 5 ·
Parachutist falling with quadratic drag
- Jukai
- · Replies 2 ·
Derive time for relativity (i know how but not sure what to do i got a idea
- seto6
- · Replies 5 ·
Velocity needed to launch a car
- NEUhusky
- · Replies 2 ·
What is the Displacement and Force Acting on a Particle in the xy Plane?
- vinnyzwrx
- · Replies 2 ·
Power Requirement for Fire Hose in Urban Areas
- pinkybear
- · Replies 1 ·
Failed my Physics Test Need help on a question?
- longcat93
- · Replies 3 ·
How Long Does It Take a Raindrop to Reach 63% of Its Terminal Velocity?
- killazys
- · Replies 2 ·
Binding Energy given a function?
- pinkybear
- · Replies 1 ·
How Many Orbits Does an Electron Make in the Bohr Model?
- MozAngeles
- · Replies 1 ·
Work-Energy Theorem: Homework Statement & Solution
- jgens
- · Replies 1 ·
How Do You Calculate the Velocity of Wreckage After a Head-On Collision?
- Chica1975
- · Replies 1 ·
Rotational kinematics of circular saw
- MozAngeles
- · Replies 3 ·
How Do You Calculate the Closest Point of Approach for Two Moving Objects?
- nikieme
- · Replies 3 ·
OUNT OF HEAT THAT FLOWS DURING THE EXPANSION
- coffeem
- · Replies 2 ·
Pulsar Angular acceleration question
- ja sam glup
- · Replies 2 ·
On an alternative Stokes theorem
- curupira
- · Replies 4 ·
Calculating Normal Force on a Box with Pulley System | Force Problem Explained
- rachellehowe
- · Replies 1 ·
Discover Maximum Height of 2.40kg Object in Pulley System
- nimboman
- · Replies 2 ·
Conservation of energy/momentum in a pendulum?
- mattpd1
- · Replies 3 ·
How Do Velocity and Motion Principles Apply in Complex Physics Problems?
- spyroarcher
- · Replies 3 ·
Chain of mass M with length L (SPhO 2009)
- mesmeriz3
- · Replies 1 ·
How to Calculate the Specific Heat Capacity of the Calorimeter?
- kai92
- · Replies 3 ·
Does a Falling Object Possess Weight?
- Astar
- · Replies 4 ·
Question on gases physics/chemistry
- GreenPrint
- · Replies 5 ·
What is the relationship between refractive index and pressure in gases?
- Aeon
- · Replies 7 ·
Gas expansion at constant pressure
- wavingerwin
- · Replies 5 ·
Centripetal Acceleration Problem
- perfectlovehe
- · Replies 2 ·
Finding Position of Object with Initial Velocity and Constant Acceleration
- moondawg
- · Replies 1 ·
Solving Projectile Motion Problems: Tips and Tricks for Physics Students
- picklepie159
- · Replies 5 ·
What Is the Final Velocity of a Car After Descending a Semicircular Track?
- drizzt56
- · Replies 1 ·
2 non-rectangular blocks, friction, only gravity
- trogtothedor
- · Replies 2 ·
Proving F is Conservative: Steps to Show
- mopar969
- · Replies 18 ·
Two charges, individual charge values?
- xvie
- · Replies 1 ·
How Far Apart Will the Teddy Bears Land on the Ground?
- perfectlovehe
- · Replies 3 ·
How Do You Calculate the Constant Angular Acceleration of a Centrifuge?
- perfectlovehe
- · Replies 1 ·
Finding Velocity: A Distance vs Time Graph Case
- deaninator
- · Replies 9 ·
Teddy Bear Falls: Solving a Trajectory Problem
- perfectlovehe
- · Replies 1 ·
Calculating Distance Between Copenhagen and Rome on Same Longitude
- perfectlovehe
- · Replies 1 ·
Perfectly inelastic collision problem, need some help
- eadel
- · Replies 2 ·
Circular Motion and String Tension
- eriadoc
- · Replies 2 ·
How Do You Calculate Initial Vertical Velocity?
- jubbly
- · Replies 6 ·
How to find the forces and balance a lever with a weight on one end?
- bmk120
- · Replies 2 ·
Spring Scale Tension Force Problem
- whoopie88
- · Replies 1 ·
I think the college board was wrong Maybe I am but I don't see how
- GreenPrint
- · Replies 2 ·
Magnetic Field due to Power Lines
- pssss
- · Replies 2 ·
Calculating Jet Velocity with Kinematic Equations
- deaninator
- · Replies 11 ·
Work & Energy: Solving Problems with v0, k, m, g
- jrdwagas
- · Replies 1 ·
Circular motion: bicycle moving in a circle. Find speed given r and degree
- s1gma
- · Replies 1 ·