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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Gauss Law with Charged Sphere and Infinite Parallel Plates
- paul2211
- · Replies 8 ·
Finding the acceleration of a pulley system
- physicskills
- · Replies 1 ·
Find Capacitor network with a known potental difference
- Northbysouth
- · Replies 10 ·
Suddenly changing k in a 2 spring system
- MeMoses
- · Replies 17 ·
How to Calculate Tension and Acceleration in a Two-Block System with Friction?
- LadyMario
- · Replies 1 ·
Spherical Charge Ball, Gauss law
- hansbahia
- · Replies 9 ·
Spherical Capacitor with Charge, Potential Difference and More
- Northbysouth
- · Replies 4 ·
Basic Force: Why to take force of friction from force applied y?
- Arooj
- · Replies 3 ·
How to derive the velocity addition formula
- DODGEVIPER13
- · Replies 3 ·
How to account for friction on air track
- PhizKid
- · Replies 2 ·
What is the stored energy of a wind-up watch?
- kelcijade
- · Replies 5 ·
Determine dispersion from fitting equation
- mufc4ever
- · Replies 1 ·
Where Do Two Juggled Balls Meet in Mid-Air?
- steven1495
- · Replies 3 ·
Probability Density Function for a Pendulum?
- bencmier
- · Replies 2 ·
How do I find the horizontal force/traction force of this?
- riseofphoenix
- · Replies 1 ·
Relative velocity of a plane question
- mousemouse123
- · Replies 3 ·
What contributes the most to the error in the density of a cylinder?
- Violet x3
- · Replies 4 ·
Solving for Velocity: 8.2 kg Object Moving Along x-Axis
- cjwiegmann
- · Replies 1 ·
Calculating Weight at Different Altitudes Using Gravitational Acceleration
- warnexus
- · Replies 2 ·
Convergence Time of Moving Points on an Equilateral Triangle
- Saitama
- · Replies 11 ·
Force acting on the particle is always directed towards the center
- Slayedr
- · Replies 1 ·
Specific heat capacity of brass
- emmfranklin
- · Replies 9 ·
Superposition for mechanical waves
- aaaa202
- · Replies 6 ·
I calculating the number of Electrons? (Current/Electron Density/Velocity)
- bmb2009
- · Replies 4 ·
Edexcel Physics Statics Homework
- UnknownGenius
- · Replies 1 ·
Torque equilbrium involving support rod?
- genessis42
- · Replies 2 ·
Question about Van De Graaf generator
- Parad0x88
- · Replies 3 ·
Dipole moment and net torque of an atom
- Parad0x88
- · Replies 4 ·
Position vectors in different frames of reference
- CAF123
- · Replies 19 ·
Solving 3D Statics Problem with 800N Lamp
- believe14142
- · Replies 2 ·
Moving a box with greatest acceleration
- kotchenski
- · Replies 8 ·
Energy stored in a device (Charged Capacitor)
- Parad0x88
- · Replies 6 ·
What is the maximum speed an object can spin without breaking the light string?
- AryRezvani
- · Replies 5 ·
Deceleration falling into a harness
- wikithellama
- · Replies 1 ·
Determining Acceleration g from Slope
- Youngster
- · Replies 1 ·
Can You Derive Equations Using UAM Principles?
- jensgt
- · Replies 3 ·
HOW to think about surface charge and voltage?
- bingbong
- · Replies 1 ·
Need help with heat transfe (conduction) questions
- doctordiddy
- · Replies 1 ·
Finding the max value of the average normal stress
- theBEAST
- · Replies 8 ·
Question Regarding Velocity-Time Graphs
- Drewski
- · Replies 2 ·
Instantaneous Center of Zero Velocity
- theBEAST
- · Replies 1 ·
Newton's Second Law surface+horizontal w/ friction
- Fredecus
- · Replies 2 ·
Thermodynamics: A process that causes P&V to both increase
- CoinToss
- · Replies 9 ·
Sum of Two Vectors: Magnitude & Scalar Product
- jdief
- · Replies 1 ·
Banked circular track with friction
- shutdo
- · Replies 5 ·
Solving Frictionless Particle Motion: Find V(x),T,E & Turning Points
- jumboopizza
- · Replies 6 ·
Theoretical situation - surface area vs. friction
- LadyMario
- · Replies 3 ·
[Thermodynamics] Impossible Heat Transfer Problem
- Gr33nMachine
- · Replies 2 ·
What Is the Minimum Force Required to Move a Crate with Static Friction?
- McDonell
- · Replies 7 ·
Why Is My Calculation of the Net Force on q1 Incorrect?
- thatonenozz
- · Replies 1 ·
Find the max height of the second projectile relative to seal level
- PhysicsFTW22
- · Replies 1 ·
Calculate Initial Velocity of Boat Moving 15 km
- ArcherofScience
- · Replies 3 ·
How Do You Calculate Displacement Using Vector Components?
- oldspice1212
- · Replies 3 ·
Throw Up Problem without given velocity or time
- KaylaMarie
- · Replies 6 ·
Eliminating time (t) between two equations
- ohms law
- · Replies 3 ·
Velocity Down a Hill Homework: Calculate Final Velocity
- Hannah1
- · Replies 9 ·
Find frictional force given acceleration, grade, and mass
- Butterfly30
- · Replies 4 ·
Determine the magnitude of the contact force between the two blocks.
- AryRezvani
- · Replies 2 ·
So j is up, negative j for second force?
- phunphysics2
- · Replies 3 ·
How to Calculate the Mass of the Second Skater in a Skating Duo?
- Workout
- · Replies 3 ·
Classical Mechanics, Double Star, Find the ratio of the masses
- cum
- · Replies 2 ·
Mass of the Milky Way through the speed of a planet
- fawk3s
- · Replies 12 ·
Acceleration of a Block on an Inclined Plane
- riseofphoenix
- · Replies 11 ·
Writing Uncertainty in terms of dA, dB, dC
- ZedCar
- · Replies 1 ·
Using Kepler's Laws to find the mass of a star
- jamesc5
- · Replies 4 ·
Adding 2 vectors together graphically
- Ally385
- · Replies 1 ·
Projectile Motion Problem - me verify my answer
- sugarbelle
- · Replies 2 ·
Finding centripetal acceleration of a CD
- bjudia
- · Replies 3 ·
Finding the coefficient of kinetic friction
- riseofphoenix
- · Replies 2 ·
I'm stuck on this problem involving Tension, Force, and Acceleration
- riseofphoenix
- · Replies 9 ·
Maximize Your Football's Flight in a Sports Hall: Physics Problem Help
- physics131
- · Replies 1 ·
Can Swinging a Shotgun Affect the Shot String Spread?
- pieperz06
- · Replies 2 ·
Sig fig or decimal places for variance?
- ZedCar
- · Replies 2 ·
Determining coefficient of kinetic friction help
- riseofphoenix
- · Replies 6 ·
What is the mass flux through a kidney?
- giacomh
- · Replies 1 ·
Coordinate Transformation in Special Relativity with Linear Algebra Part A
- zellwwf
- · Replies 14 ·
Lorentz Velocity Transformations Question
- zellwwf
- · Replies 2 ·
How do I determine the wretched coefficient of kinetic friction? It's impossible
- riseofphoenix
- · Replies 2 ·
Ant's Path on Revolving Disc: Calculating Displacement and Path Length
- omc1
- · Replies 6 ·
Ratio between 2 capacitors from known energy ratio
- david13579
- · Replies 7 ·
Question regarding setting up Newton's second law equations
- MrJoseBravo
- · Replies 3 ·
Calculation of potential of an grounded sphere ball with charges
- henry407
- · Replies 1 ·
Propogation of uncertainty in a data set (finger-math at most)
- ZamielTheGrey
- · Replies 1 ·
Solving for g on an inclined plane
- mysticbms
- · Replies 1 ·
Calculating Vertical Velocity from Projectile Motion Data
- Dejahboi
- · Replies 9 ·
Two Events in Special Relativity with on Time Dialation
- zellwwf
- · Replies 9 ·
Simplifying slope-angular acceleration vs torque
- pentwaterwave
- · Replies 1 ·
Primary cause of the force induced by a current in a magnetic field.
- qazadex
- · Replies 1 ·
How much work is done by tension?
- layla2525
- · Replies 1 ·
How can you solve an electric force problem with vectors?
- ASiCaRiO
- · Replies 1 ·
Calculating Maximum Safe Driving Speed to Avoid Collision with a Deer
- mlpck
- · Replies 16 ·
Relative Motion problem that doesn't have right triangle relationship
- Daizin
- · Replies 5 ·
X and Y Components of the Electric Field at the Origin
- Northbysouth
- · Replies 6 ·
Block on a ramp Sum of forces, normal force, static friction, etc Question
- riseofphoenix
- · Replies 3 ·
Double slit experiment with smoke particles
- DODGEVIPER13
- · Replies 5 ·
Finding Acceleration: Mass Ratio & Force Applied to Particles
- SalsaOnMyTaco
- · Replies 3 ·
Forces acting on a two object system using free body diagram
- meaganl
- · Replies 1 ·
How far is the bat from the wall when it hears the echo?
- ohms law
- · Replies 4 ·
Kinematics on an inclined plane
- JJBladester
- · Replies 3 ·
Tilt of Earth's Equator: Arctic, Antarctic, Tropics
- mozartkart
- · Replies 2 ·