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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How Is Angular Momentum Calculated for a Spinning Coin?
- royguitarboy
- · Replies 10 ·
Calculating Water Tower's Drain Pipe Flow Rate
- yuvlevental
- · Replies 7 ·
How Does Friction Affect the Speed of a Block Hitting a Spring?
- bulldog23
- · Replies 4 ·
Calculating Normal Force on a 3-Tiered Birthday Cake
- big daddy
- · Replies 6 ·
What are the spring and damping constants for a mass on spring problem?
- wdv3835
- · Replies 2 ·
Why does a heavy object not fall faster than a light object?
- sarahhhh
- · Replies 3 ·
Total internal reflection at crown glass-ethanol interface
- nblu
- · Replies 2 ·
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 force between Tom and Sally 20 m apart
- xbeachbabeee
- · Replies 5 ·
Airplane propeller rotational kinetic energy and required 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 ·
Force needed to pull a 75 kg sled at 45° with 0.5 m/s² acceleration
- 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 ·
Shell exploding at apex into two fragments
- frasifrasi
- · Replies 1 ·
Experimentally Determine Coefficient of Static Friction
- chrissyinbloom
- · Replies 7 ·
Synchronous orbit altitude for Mercury
- 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 ·
Student on scale in descending elevator decelerating at 0.60 m/s²
- 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 ·
Two stacked crates with 100 N force: why do they move together?
- MIA6
- · Replies 7 ·
Maximum spring compression when block collides with spring-attached block
- 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 ·
Bola angular momentum conservation and rotational kinetic energy
- 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 ·
Finding braking force for a 2229.5 kg car stopping over 70.2 m
- streetracer14
- · Replies 9 ·
Net torque for beam with off-axis pivot and ring on shaft
- 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 ·
Car pushing truck with 4500 N force from wheels
- 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 ·
Is kg·m/s the proper unit for momentum?
- BuLLiTT
- · Replies 3 ·
Foul ball caught at 4m on the way down: why is my time wrong?
- Bensky
- · Replies 3 ·
Concept quilt assignment on types of forces
- 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 ·
Jet ski velocity relative to water in a river
- redwood
- · Replies 2 ·
Dimensional Analysis Type Promblem
- DoktorD
- · Replies 1 ·
Rugby Player Collision Question-
- Spectrum47
- · Replies 2 ·
Energy released when asteroid breaks into three pieces
- sheri1987
- · Replies 3 ·
Frictional force on a 43 kg block at rest on a 19-degree incline
- 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 ·
Average acceleration of car braking and turning from north to northeast
- 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 ·
4kg weight released: where does the 4-second time fit in?
- 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 ·
When does particle B's angular velocity equal particle A's?
- jaded18
- · Replies 9 ·
Atwood Machine Lab calculations
- ~christina~
- · Replies 2 ·
Car accelerating from 70 to 80 km/h in 6 seconds
- Thiendrah
- · Replies 8 ·
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 ·