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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Kinetic Energy relative to total energy in SHM
- armolinasf
- · Replies 1 ·
Finding the force needed for equilibrium.
- Crusaderking1
- · Replies 10 ·
Find the position of the center of mass of the binary star system
- csharsha
- · Replies 1 ·
How Can I Calculate the Maximum Kinetic Energy of an Oscillating Object in SHM?
- armolinasf
- · Replies 2 ·
Calculating Final and Change in Velocity for a Rolling Ball Experiment
- BuhRock
- · Replies 24 ·
Change in Velocity: avg & difference in initial & final velocities
- BuhRock
- · Replies 3 ·
Finding Frequencies for Wave Sum Vanishing at x=0,L
- JuanYsimura
- · Replies 1 ·
Cutting Wires in a Circuit of Light Bulbs
- alfredo24pr
- · Replies 3 ·
Please help, thin sheet electric potential problem
- charlies1902
- · Replies 1 ·
Help with this problem : Projectile Motion
- MakeItThrough
- · Replies 3 ·
Why Does Coulomb's Law Give Different Results for the Same Charges?
- anna sung
- · Replies 1 ·
Static friction and centripetal force
- Xamien
- · Replies 2 ·
Is e field equal to the negative derivative of electric potential?
- pyroknife
- · Replies 4 ·
Tension, Angles, Forces Problem
- whoopie88
- · Replies 1 ·
Force, Find the Angle Given 2 Forces of Equal Magnitude, but Different Direction
- Simon777
- · Replies 6 ·
Electronics with Transistor (another problem)
- Femme_physics
- · Replies 31 ·
Kinematics / Forces Friction Problem?
- whoopie88
- · Replies 2 ·
Calculating Charge on Capacitor 4
- wolfgangjt
- · Replies 10 ·
What is the Required Horizontal Force for a Shopping Cart on an Inclined Plane?
- whoopie88
- · Replies 2 ·
Constant Acceleration - Sandbag Dropped From a Rising Balloon
- Nickg140143
- · Replies 11 ·
Find Complex Outputs of Series RC Circuit
- kikko
- · Replies 1 ·
Series Circuit Resistor Help: Solutions for Q1 and Q2
- MegaDeth
- · Replies 31 ·
Constant acceleration ball throw problem
- Crusaderking1
- · Replies 9 ·
What is the Height of a Window Above the Ground?
- Brock Skywalk
- · Replies 16 ·
Solving a Frictionless Incline Problem: Calculating Normal Force
- ur5pointos2sl
- · Replies 4 ·
Kleppner and Kolenkow - Pulleys
- jgens
- · Replies 2 ·
Astronomy - Correct solution? Part 1
- tosv
- · Replies 2 ·
Basic quantum physics, Balmer series
- Quaint
- · Replies 1 ·
Free-fall Problem: Ball 2 Thrown Upward with Gravity - Homework Solution
- nukeman
- · Replies 6 ·
Need to find the True Air Speed
- lomao
- · Replies 1 ·
Need help understand the question, and helping o solve it.
- exaty
- · Replies 2 ·
Confirm/Refute: Block A Will Drag Block B to the Left
- DJ-Smiles
- · Replies 2 ·
What Minimum Height Fish Must Spot Pelican to Escape?
- stacker
- · Replies 2 ·
How Does the Equation i=nFj Relate Current Density to Charge?
- Oscar6330
- · Replies 23 ·
Angular Velocity of Rotating Mass
- 20930997
- · Replies 12 ·
Solving Vector Problems: A+B+unkC = (15,0)
- Miike012
- · Replies 3 ·
How Do You Apply Lorentz Transformation to High-Speed Situations?
- athrun200
- · Replies 3 ·
Calculating moments of forces/fulcrum PDF file attached
- mt05
- · Replies 1 ·
Calibrating an Axis: A Homework Problem Guide
- TrimHopp
- · Replies 1 ·
Instantaneous Velocity with Position v. Time graph
- achibaby1974
- · Replies 1 ·
Gravitational Force on three spheres
- TmrK
- · Replies 17 ·
Energy-height graph of a ball falling through a viscous fluid
- tatata
- · Replies 1 ·
What is the cyclist's end position? I know his displacement.
- AVReidy
- · Replies 2 ·
Thermal - derive a work equation
- accountkiller
- · Replies 6 ·
Bungee Jumping-Tension+Air resistance with regards to max extension
- Thiras
- · Replies 6 ·
How Do You Calculate Tension in a Pulley System?
- dlilpyro
- · Replies 1 ·
Inelastic collision. Two angle variables.
- ttttrigg3r
- · Replies 5 ·
How High Does a Coin Tossed Straight Up Reach?
- student54321
- · Replies 3 ·
Finding net gravitational force magnitude on moon
- TmrK
- · Replies 2 ·
Using kinematics to find motions with constant acceleration
- Crusaderking1
- · Replies 22 ·
What is the pattern of circular wavefronts produced by a moving source?
- Peter G.
- · Replies 1 ·
Bragg Angles + Thermal Expansion
- exzacklyright
- · Replies 2 ·
Solving Fx for 50kg Skier Down Hill
- 1MileCrash
- · Replies 2 ·
Projectile motion really confused please reply soon
- DJ-Smiles
- · Replies 1 ·
What is the acceleration of a spacecraft during liftoff?
- elleleeanne
- · Replies 2 ·
Gravitational/electrostatic Equilibrium on a ramp
- goteamusa
- · Replies 10 ·
How Long Something Stays in Air Calculation. Help Needed
- student54321
- · Replies 1 ·
Calculating height in free falling problems
- akalei
- · Replies 3 ·
Initial Velocity from Highest point and angle?
- litzkrieg
- · Replies 1 ·
Constant acceleration and maximum deceleration
- andyman21
- · Replies 4 ·
Am struggling with these couple of questions
- Brock Skywalk
- · Replies 2 ·
Will the Bullet Hit the Falling Monkey?
- salhayek
- · Replies 4 ·
Solving Spacetime Questions - Homework Equations & Solutions
- athrun200
- · Replies 3 ·
Help with Newton's Laws (AP Physics B)
- stonecoldgen
- · Replies 1 ·
How Do I Solve the Momenergy Problem in Physics Homework?
- athrun200
- · Replies 1 ·
Calculating Electric Field for a Point Charge Inside a Hollow Sphere
- isabellef
- · Replies 1 ·
Charge on and the potential difference across capacitors
- wolfgangjt
- · Replies 3 ·
Deriving a formula that an old physicist showed me.
- amidda1217
- · Replies 4 ·
What Angles Allow a Football to Clear the Goalpost?
- Loppyfoot
- · Replies 28 ·
Catapult vertical displacement problem
- ama
- · Replies 1 ·
(Mechanics) Getting a distance in a Ball Drop question
- kid0
- · Replies 4 ·
Gravitational field strength problem- help needed
- schroedinger4
- · Replies 1 ·
Derive the displacements movable pulleys.
- Legendon
- · Replies 3 ·
Is There a Potential Difference Across the Inner and Outer Walls of a Conductor?
- Juggernaut
- · Replies 5 ·
Optimizing Projectile Distance on an Inclined Plane
- leitz
- · Replies 1 ·
2D Kinematics; Flying Saucer observed with two velocities
- oddjobmj
- · Replies 3 ·
How to Calculate Masses and Acceleration in an Atwood Machine Problem
- Ash182
- · Replies 1 ·
Three blocks connected by two strings: tensions?
- ddtozone
- · Replies 3 ·
Formula for free-falling object?
- J-Girl
- · Replies 5 ·
What is the acceleration of the car
- colin_delecia
- · Replies 1 ·
Free Falling Spiderman. I need to find height
- airgunde
- · Replies 1 ·
What Height Was the Ball Thrown From in This Projectile Motion Problem?
- Star Forger
- · Replies 7 ·
Electron Oscillator Homework: The Attempt at a Solution
- athrun200
- · Replies 1 ·
How High Does a Rocket Go with Initial Acceleration of 250 m/s²?
- l888l888l888
- · Replies 6 ·
Sound Waves and Interference Problem - Check My Work?
- Malavin
- · Replies 1 ·
Understanding vectors, direction, and magnitude
- ducks10
- · Replies 2 ·
What is the work function of the metal hit by photons with wavelength of 450 nm?
- fluidistic
- · Replies 7 ·
Industrial electronics: Unclear symbols
- Femme_physics
- · Replies 9 ·
Axis Rotation and Vector magnitude problem not sure if answers are right
- BreakPoint
- · Replies 3 ·
Constant acceleration of rocket car
- andyman21
- · Replies 1 ·
Acceleration of a plane and the g-force
- strayaway
- · Replies 1 ·
Finding acceleration using velocity
- Crusaderking1
- · Replies 2 ·
Time, force, distance, acceleration
- furor celtica
- · Replies 3 ·
One mole of Lead contains how many atoms
- intrepidelder
- · Replies 4 ·
Electric Field and Potential of Center of Square
- remadrid
- · Replies 2 ·
Help with solving the problem charge problem
- thomq
- · Replies 3 ·
Scattering of a gaussian wave packet at a potential
- KaiserBrandon
- · Replies 1 ·
Force Exerted by Road on an Accelerating Car
- yoshi824
- · Replies 1 ·
Are my graphs and answers correct for position, velocity, and acceleration?
- Miike012
- · Replies 1 ·
Uniform acceleration kinematics lab
- Trevormbarker
- · Replies 6 ·