Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Finding the Total Mass in the Accelerating Blocks Problem: A Scientific Analysis
- Dansuer
- · Replies 10 ·
Discover the Answers to These Light and Electromagnetic Wave Questions!
- namvip6666
- · Replies 7 ·
How am I supposed to know the direction of this velocity?
- Femme_physics
- · Replies 25 ·
Completely inelastic collision
- Order
- · Replies 3 ·
Electromagnetic forces, finding alpha.
- sphys4
- · Replies 3 ·
Block of mass Rotational Problem
- AriAstronomer
- · Replies 1 ·
Work and displacement of the point of application
- iampaul
- · Replies 7 ·
Bernoulli's Equation and plugging water hole
- KKuff
- · Replies 2 ·
Thermodynamics Problem - the lake :P
- Planck const
- · Replies 6 ·
Finding the max range of a jump on the moon using kinematics
- garcia1
- · Replies 3 ·
Blocks on Spring without Friction
- wolves5
- · Replies 1 ·
Friction and Potential Energy in Incline Block Experiment
- wolves5
- · Replies 1 ·
Calculating Mechanical Energy on a Water Slide
- wolves5
- · Replies 1 ·
Electrostatic force between to spheres
- oronanschel
- · Replies 3 ·
Equilibrium: Minimum Cable Length
- ledphones
- · Replies 1 ·
Skidding Distance of a moving vehicle on asphalt gravel and grass
- Unknown2194
- · Replies 1 ·
Help with understanding how to figure out the amount of heat to boil away water.
- Mtray524
- · Replies 1 ·
Solving Student's Ladder Homework Problem
- ledphones
- · Replies 1 ·
Conservation of momentum - bullet/pendulum
- z2420
- · Replies 3 ·
Travelling to a Star 40 Light Years Away: Time and Distance Calculations
- usahockey7
- · Replies 4 ·
Calculating Loops and Radius for a Cart
- wolves5
- · Replies 1 ·
Net Power Transfer by Radiation
- ethanabaker1
- · Replies 2 ·
Power and Exponential Equations
- beanus
- · Replies 3 ·
Solve for Building Height: Kinematics & Pythagorean Theorem
- garcia1
- · Replies 3 ·
Understanding the Equation for Waves on a String: Help Needed!
- ajmCane22
- · Replies 4 ·
Calculating Energe stored in a Parallel Plate Capacitor
- abigailb55
- · Replies 1 ·
Using Gravitational Force Equilibrium to Calculate M2/M1 Ratio
- erykah722
- · Replies 2 ·
Projectile Motion- deriving formulas
- Haie101
- · Replies 1 ·
Transients(RC) elements in the circuit after commutation?
- builder_user
- · Replies 63 ·
Calculate car angle on the route
- hladon
- · Replies 2 ·
What is exactly is a non-conducting material ?
- flyingpig
- · Replies 2 ·
Inverse Laplace Transform, can't use partial fractions
- _diego
- · Replies 5 ·
Collision- Am I thinking about this the right way?
- Oldblood
- · Replies 2 ·
Why is 6k Ohms Reduced to 3k Ohms in Circuit Simplification?
- JieXian
- · Replies 2 ·
How Does Quantum Uncertainty Affect Dust Particle Trajectories?
- James98765
- · Replies 3 ·
Joules required to heat/how much heat is released
- jacob95
- · Replies 6 ·
Help with an equation about waves and wavelengths
- BarelyPassing
- · Replies 1 ·
Can you me with this (it is all about vectors )
- donniemsb_12
- · Replies 10 ·
Calculations of Significant Figures
- playgames
- · Replies 1 ·
4 Charges at the corners of a square
- Ortix
- · Replies 8 ·
Graph of inverse square law for radiation intensity
- Luke1121
- · Replies 3 ·
Projectile Motion of a Grasshopper Problem
- maff is tuff
- · Replies 3 ·
A Solid Cylinder rolling down a ramp
- Miu.
- · Replies 1 ·
Equilibrium: Brick on Cylinders
- ArticMage
- · Replies 1 ·
Why Do Objects P and Q Have Different Times to Reach Their Peak?
- stupif
- · Replies 11 ·
Dynamics: half-cylinder rolls without sliding.
- etotheix
- · Replies 1 ·
Force of interaction between two halves of a cylinder of charge.
- Lavabug
- · Replies 2 ·
What is the approximate diameter of the latex balloon after inflation?
- Dannbr
- · Replies 2 ·
Quick question about inertial frames of reference
- aeromat
- · Replies 1 ·
Bulk Modulus Problem - Two solutions?
- najd
- · Replies 5 ·
Particle falling in earth's gravity with air resistance.
- kraigandrews
- · Replies 4 ·
Help with Inclinded Plane Problem
- buttretler
- · Replies 3 ·
Elementary Problem: What Strength is Needed to Lift Mass m to Height h?
- Petar Mali
- · Replies 2 ·
Hydrostatic Problem: Three tube Manometer
- Mokha75
- · Replies 2 ·
Energy and Momentum: Elastic Collision of 2 Trains
- yummallory
- · Replies 1 ·
Angle Maxima and nodes and antinodes
- jamieXX96
- · Replies 3 ·
What is the maximum height reached by the 2kg mass in a modified Atwood machine?
- serverxeon
- · Replies 1 ·
Can Physics Formulas Prove Fault in a Car Accident?
- Lukasha
- · Replies 4 ·
Work done to move a test charge
- ND3G
- · Replies 13 ·
How to measure a force on a pivot (remedial)
- kindejj
- · Replies 7 ·
How to Calculate Minimum Height for Safe Parachute Deployment
- stupif
- · Replies 10 ·
Question : Thermal Equilibrium in 3 substances
- Rnck
- · Replies 1 ·
How Do Light Rays Travel from A to B via Refraction or Reflection?
- jamieXX96
- · Replies 1 ·
Calculating Displacement of a Spring with Two Forces
- andreea92
- · Replies 2 ·
Dynamic question with a sliding car, looking for distance and power
- Femme_physics
- · Replies 19 ·
Bicycle rider down a hill (Dynamics)
- Femme_physics
- · Replies 5 ·
Finding max height for a rocket with upwards acceleration
- garcia1
- · Replies 4 ·
Solving Rod Slipping: Find x min with Tension & Friction
- eliassiguenza
- · Replies 4 ·
Calculating Force on Particle in Spring Setup
- AriAstronomer
- · Replies 4 ·
Finding the time that a ball is in air, using projectile motion kinematics.
- garcia1
- · Replies 2 ·
Conservation of momentum going insane here
- mdergance3
- · Replies 8 ·
Dividing over zero while calculating center of gravity - Getting error
- Femme_physics
- · Replies 24 ·
Find work done pulling sled with rope
- ObviousManiac
- · Replies 6 ·
Conservation of energy- setting it up
- Fellowroot
- · Replies 1 ·
Newton's 2nd law problem. I have trouble setting up eq. for gravity/weight
- Sentience
- · Replies 1 ·
OLUTION: Physics Term Paper Ideas for Mechanical Engineering Majors
- out2thow
- · Replies 3 ·
Finding Values of A, B, and C for Parabolas on a Velocity-Time Graph
- AlchemistK
- · Replies 5 ·
Melting point of lead at 100atm
- curto
- · Replies 14 ·
Calculating Minimum Speed for Ballistic Pendulum with Attached Mass
- ArticMage
- · Replies 2 ·
Calculating Centripetal Acceleration for a Frisbee in Circular Motion
- GensisLee
- · Replies 1 ·
How Does Newton's 2nd Law Apply in Different Force Scenarios?
- jactre
- · Replies 1 ·
Calculating the Mass of a Chlorine Anion Using Electric and Magnetic Fields?
- yummallory
- · Replies 1 ·
Magnetic Field and Electric Field Ranking Task
- jcfor3ver
- · Replies 1 ·
Finding the time for a splash to reach a bystander on a bridge
- garcia1
- · Replies 3 ·
Finding deceleration of a moving train
- garcia1
- · Replies 7 ·
Newtons second law about momemtum
- Nickles
- · Replies 4 ·
Say I know the x and y components, how do i go about finding the diagonal one?
- teggenspiller
- · Replies 1 ·
Average friction force on a falling apple
- ObviousManiac
- · Replies 4 ·
Electrostatic force between 2 distant parallel plates
- Physicianist
- · Replies 5 ·
Net Force on Top Block: 115.2 N
- wolves5
- · Replies 1 ·
Electric field, potential, and Charge Displacement
- teroenza
- · Replies 1 ·
Electromagnetic Radiation and Magnetic Waves
- Kbs13
- · Replies 4 ·
How can the work required to remove a solid ball from water be calculated?
- Copycat91
- · Replies 4 ·
Calculating Maximum Height of a Hanging Block on a Pulley System
- jphillip
- · Replies 15 ·
Finding DC Supply Total Current, Resistance & Voltage
- Cbray
- · Replies 2 ·
How Do You Calculate Tan A Using Slide Times t1 and t2 on a Smooth Wedge?
- fterh
- · Replies 7 ·
Deriving an expression for internal energy.
- L-x
- · Replies 4 ·
Maxima of Diffraction Grating with 300 Lines/mm and Wavelength of 450 nm
- Viviana
- · Replies 5 ·
Astronomical Lens Telescope Problem - Angular Magnification
- AXidenT
- · Replies 3 ·
Why Does Cramster Simplify Velocity Components Incorrectly in Physics Problems?
- Fellowroot
- · Replies 3 ·