Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
What is the magnitude of force of friction of the snow
- big daddy
- · Replies 4 ·
Equilibrium and friction problem
- mit_hacker
- · Replies 2 ·
Calculating Mass of Little Sister Using Newton's Second Law
- Propaganda777
- · Replies 4 ·
Gravitational attraction problem
- xbeachbabeee
- · Replies 5 ·
Airplane Propeller: Rotational Kinetic Energy & Angular Speed
- azila
- · Replies 2 ·
Photon Question-Energy Quantization Question-
- quickclick330
- · Replies 1 ·
How Do You Calculate the Net Force and Its Magnitude on an Object?
- Sana_M786
- · Replies 1 ·
Solve Physics: Calculate Force for Gloria's Sled
- NJCarter15
- · Replies 7 ·
How Do You Convert N/m to kcal/(mol*m^2)?
- greisen
- · Replies 1 ·
Solve Relativistic Doppler Effect for Wavelengths of Lights
- Niles
- · Replies 10 ·
Conservation of momentum question
- frasifrasi
- · Replies 1 ·
Experimentally Determine Coefficient of Static Friction
- chrissyinbloom
- · Replies 7 ·
Solved: Synchronous Orbit Altitude of Mercury in km
- shade585
- · Replies 8 ·
How to measure extremely high and low temperatures?
- kwon1jw
- · Replies 3 ·
Calculating Frictional Force and Acceleration with an Applied Force at an Angle
- Aerosion
- · Replies 3 ·
What Is the Resistive Force Acting on a Car Coasting at Constant Speed?
- mlazos
- · Replies 1 ·
Force Question: student mass in elevator accelerating & coming to a stop
- kgarcia654
- · Replies 1 ·
From what height was the pot dropped at?
- Fentow
- · Replies 1 ·
Sig Figs in Physics Problems: Explanation for Two Calculations
- p4cifico
- · Replies 2 ·
Solving a Physics Problem: Finding the Distance Traveled Up a Slope
- splac6996
- · Replies 2 ·
Amusement park ride physics problem
- grouchy
- · Replies 10 ·
Complete the statement (relates to the atwood machine)
- ~christina~
- · Replies 3 ·
Force on a conductor in a magnetic field
- BlackWyvern
- · Replies 3 ·
What is the speed as it hits the wheel?
- engineer2010
- · Replies 1 ·
How to find the acceleration of 2 objects under same force
- ~christina~
- · Replies 4 ·
Solving for the Final Speed of a Falling Sphere in a Pulley System
- fluffy91
- · Replies 10 ·
Net force given 40 degree angle, coef. of kinetic friction=.3, and mass=80kg
- pebbles
- · Replies 1 ·
How Do You Calculate Angular Acceleration in a Dual-Wheel Pulley System?
- royguitarboy
- · Replies 13 ·
Max Static Friction: Questions Answered
- MIA6
- · Replies 7 ·
Completely Inelastic Collisions
- DeadFishFactory
- · Replies 1 ·
Person's acceleration and object's acceleration
- pebbles
- · Replies 3 ·
2D Projectile Motion, kicking football
- enigmatic
- · Replies 2 ·
Calculating a Spy Satellite's Orbit Parameters
- Jtappan
- · Replies 1 ·
Coefficient of rotation friction
- blanc4peace
- · Replies 2 ·
Angular momentum conservation help
- snoggerT
- · Replies 1 ·
How Do You Derive Equations for a Mass-Spring System?
- darkecho2
- · Replies 3 ·
How Does Newton's Law Apply to a Race Car on a Banked Track?
- tdusffx
- · Replies 1 ·
What torque will bring the balls to a halt in 5.6s?
- aligass2004
- · Replies 6 ·
What Is the Safest Speed for a Banked Curve with Ice?
- Jtappan
- · Replies 1 ·
Question About Physics Homework (High School Physics)
- streetracer14
- · Replies 9 ·
Net Torque Calculation: Beam & Ring
- FilthyOtis
- · Replies 1 ·
Simple Potential Energy of an electric force prob
- robbondo
- · Replies 1 ·
Finding time using a given torque, etc.
- aligass2004
- · Replies 11 ·
Calculating Magnetic Field Using Biot-Savart Law for Concentric Arcs
- Winzer
- · Replies 2 ·
How High is the Table in This Projectile Motion Problem?
- westmarch
- · Replies 1 ·
What Is the Acceleration of Mass m1 on a Frictionless Table Connected to m2?
- vertabatt
- · Replies 1 ·
Coefficent of Friction Question
- UFGators35
- · Replies 3 ·
Finding Coefficient of Kinetic Friction for a Horizontal Force on a Wooden Desk
- temaire
- · Replies 4 ·
Newton's Third Law: A Car Pushes A Truck
- vertabatt
- · Replies 5 ·
How Does Galaxy Rotation and Recession Affect Observed Light Frequencies?
- gamesandmore
- · Replies 1 ·
Projectile Motion of ice skater
- sphykik
- · Replies 8 ·
How does relative velocity affect the time it takes for two objects to meet?
- Mr. Mathmatics
- · Replies 3 ·
Sphere on Incline: Kinetic Energy of a Rolling Sphere
- conniechiwa
- · Replies 4 ·
Avg. Velocity = Distance Traveled / Time Traveled
- incognito301
- · Replies 1 ·
Calculating Vertical Height from Spring Potential Energy
- shotgunbob
- · Replies 7 ·
Is there a formula I can apply in this case?
- abe
- · Replies 1 ·
Unit for Momentum: kg·m/s & kg·m/s²
- BuLLiTT
- · Replies 3 ·
Need help on another freefall problem.
- Bensky
- · Replies 3 ·
Concept Quilt Help (dealing with Force/Friction)
- lilatlbabishort
- · Replies 1 ·
Velocity of fly relative to train tracks
- drumbum
- · Replies 4 ·
Direction of force using right hand rule
- t_n_p
- · Replies 4 ·
Vector Problems I've been stuck on them 4EVER
- redwood
- · Replies 2 ·
Dimensional Analysis Type Promblem
- DoktorD
- · Replies 1 ·
Rugby Player Collision Question-
- Spectrum47
- · Replies 2 ·
Calculate Energy of Explosion: 16kg Asteroid & 180m/s Velocity
- sheri1987
- · Replies 3 ·
Frictional Force: Calculate on 43 kg Mass Inclined at 19 Degrees
- grouchy
- · Replies 10 ·
Net Work of Pulling 10kg Box Up 5m Incline
- dnt
- · Replies 10 ·
Forces and Systems Lab- Relationship questions
- xkaibob
- · Replies 1 ·
Solving a Fairly Simple Gravity Problem with Negligible Air Resistance
- PiratePhysicist
- · Replies 6 ·
How Does Throwing Gum Affect Angular Momentum and Speed of a Spinning Slab?
- snoggerT
- · Replies 11 ·
What is the acceleration of a falling mass attached to a pulley system?
- conniechiwa
- · Replies 14 ·
NWhat is the Apparent Weight of a Bicyclist on a Hump?
- tdusffx
- · Replies 9 ·
How Do Newton's Laws Explain Motion in Everyday Scenarios?
- tdusffx
- · Replies 4 ·
I'm stuck and need assistance(velocity/acceleration vector problem)
- tomdadude
- · Replies 3 ·
Doppler and electromagnetic waves
- gamesandmore
- · Replies 1 ·
How Do You Calculate the Specific Latent Heat of Fusion from Experimental Data?
- xiao
- · Replies 14 ·
Square Loop and Magnetic Forces
- ecthelion4
- · Replies 1 ·
What Constant Velocity Is Needed to Catch a Bus Accelerating from Rest?
- DigitalSpark
- · Replies 7 ·
Releasing a 4kg Weight: Can You Solve the Equation?
- grinman
- · Replies 21 ·
Determine the total distance you've walked
- Thiendrah
- · Replies 5 ·
I'm looking for a replacement textbook for the one given to me in class
- Tekee
- · Replies 2 ·
Calculating Forces and Work in Crate Displacement
- BnJ
- · Replies 1 ·
Calculating Time Until Voltage Falls in a Circuit with Resistor and Capacitor
- SMUDGY
- · Replies 1 ·
Angular motion with constant acceleration
- jaded18
- · Replies 9 ·
Atwood Machine Lab calculations
- ~christina~
- · Replies 2 ·
Constant Acceleration Car PRoblem
- Thiendrah
- · Replies 8 ·
Ideal Gas Assumption: No Vibration & Rotation
- Oerg
- · Replies 1 ·
Current and Potential difference in a circuit
- Xaspire88
- · Replies 13 ·
6 problems on Conservation of Energy
- chavic
- · Replies 8 ·
Newton's Second Law - Machine Problem
- JeYo
- · Replies 1 ·
How Does Physics Calculate Satellite Orbit Speed and Escape Energy?
- jamagner
- · Replies 2 ·
Prove Attenuation Length = Avg Photon Travel Distance
- strangequark
- · Replies 1 ·
How Far Does a Skateboarder Land from a Ramp?
- ideefixem
- · Replies 1 ·
Electric Field Forces in a Hydrogen Molecule
- asiangrrl
- · Replies 7 ·
What is the sailboat's speed and direction after being hit by a gust of wind?
- ideefixem
- · Replies 3 ·
What is the Maximum Speed of Two Connected Trucks at Maximum Power?
- gills
- · Replies 17 ·
Question that I dont know how to answer
- shadow1010
- · Replies 1 ·
In order to find the recoil velocity of a spring
- jgibbon2
- · Replies 1 ·
How Fast Was the Freight Car Moving Before Hitting the Springs?
- klmartin
- · Replies 1 ·
Distance traveled by a accelerating truck with steel load.
- blackkeys
- · Replies 1 ·