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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What is the average acceleration of a car
- espo
- · Replies 4 ·
What is the Taylor series for i^i?
- Khan
- · Replies 2 ·
Electric Fields in circular wire
- discoverer02
- · Replies 2 ·
Find the gravitational potential energy
- mustang
- · Replies 2 ·
Elastic Collision is kinetic energy conserved?
- Cummings
- · Replies 2 ·
Why Might My Physics Lab Results Differ from Theoretical Expectations?
- pezzang
- · Replies 2 ·
Newtons second law force problem
- pringless
- · Replies 3 ·
Find the magnitude of the applied force F
- ryan
- · Replies 3 ·
Tension - pully problem w/ monkey
- missrikku
- · Replies 4 ·
How to incorporate the initial vellocity
- kbrowne29
- · Replies 6 ·
Work Done yadda yadda These problems are killing me
- Antepolleo
- · Replies 2 ·
What Is the Maximum Height a Thrown Ball Reaches?
- Aerospace
- · Replies 2 ·
Spectral decomposition of the inverse of a Hermitian operator
- einai
- · Replies 8 ·
Projectile Motion, speed of ball
- Lara
- · Replies 2 ·
About force and motion in Physics
- Johnny Leong
- · Replies 2 ·
Where u and v and initial and final velocities
- mcintyre_ie
- · Replies 2 ·
Golf putt difficulty on 5° slope with friction
- coglon
- · Replies 3 ·
How do Hermitian operators affect normalized vectors?
- einai
- · Replies 9 ·
Hockey puck trajectory after perpendicular hammer blow on frictionless surface
- sirfederation
- · Replies 2 ·
Hockey Player Acceleration Question
- MalusIgnis
- · Replies 9 ·
Formulas and reasoning behind finding focal length
- Apoxyus
- · Replies 2 ·
A 66.9 g mass is attached to the end of an unstressed vertical spring
- Aerospace
- · Replies 2 ·
Calculating the Period of Binary Stars
- StephenPrivitera
- · Replies 7 ·
What Are the Steps to Solve Linear Momentum and Collision Problems?
- Nanabit
- · Replies 4 ·
Two blocks with masses of 4kg and 8kg
- pezzang
- · Replies 2 ·
Determine the vehicle speed for which this curve is appropriate
- pezzang
- · Replies 2 ·
Riddle in a mono-alphabetic code
- wubie
- · Replies 2 ·
How Do You Calculate the Dynamics of a Two-Mass Pulley System?
- mb1174
- · Replies 3 ·
Finding the Derivative of a Quadratic Function
- Chris_w
- · Replies 7 ·
Resolving Vector Problems: Finding Solutions to Confusing Questions
- Acidvoodoo
- · Replies 2 ·
How Does a Varying Force Affect Kinetic Energy in Motion?
- missrikku
- · Replies 2 ·
Stumping the Teacher: "Will it Float?"
- Nanabit
- · Replies 4 ·
How Do You Construct a Triangle with Given Side, Angle, and Median Length?
- wubie
- · Replies 2 ·
Finding net force on flowerpot entering viscous liquid
- Rockdog
- · Replies 2 ·
What is the difference between the potential difference, and its emf?
- JaeSun
- · Replies 3 ·
Is spin the same as torque in physics?
- tucky
- · Replies 3 ·
What Is the Flow Rate in the New Pipe?
- mary d
- · Replies 2 ·
What Frequencies Arise from a 4 ms Waveform Cycle?
- jon9986
- · Replies 2 ·
Work A mass m hangs from a spring.
- StephenPrivitera
- · Replies 5 ·
Why is knowing the speed of sound important and how to measure it at home?
- Yaqout
- · Replies 3 ·
Balancing Camper's Water Load: Methods and Explanations
- kangta
- · Replies 2 ·
Most conducting metal and roughest metal surface for area
- PRodQuanta
- · Replies 6 ·
What time does the moon rise at opposition from the sun?
- Math Is Hard
- · Replies 6 ·
What is the angle of the pendulum at its highest point?
- jpnnngtn
- · Replies 3 ·
How High Was the Building If a Rock Hits the Ground 43m Away?
- sirfederation
- · Replies 8 ·
Mutual inductance between a coil and magnet using Neumann's formula
- HiEdgar
- · Replies 5 ·
Surface tension for water and mercury
- mary d
- · Replies 2 ·
Basketball shot accuracy: range of initial speeds
- bonita
- · Replies 2 ·
Maximum speed for rock whirled by two strings at an angle
- Rockdog
- · Replies 4 ·
How Do You Calculate Kinetic Energy and Resistance Forces in Physics Problems?
- PianoMan
- · Replies 6 ·
When Should You Use the Law of Sines and Cosines?
- havechanged
- · Replies 2 ·
Need ideas for a 7th grade science experiment?
- photon
- · Replies 4 ·
How Do You Solve These Complex Physics Problems Involving Forces and Motion?
- Matthew
- · Replies 2 ·
What Are the Two Possible Wind Velocities in This Relative Velocity Problem?
- mcintyre_ie
- · Replies 3 ·
Kilowatt-hour fill-in-the-blanks homework
- da-outcast
- · Replies 2 ·
Golf ball distance when hit down 45 degree slope
- dar|{anGel_
- · Replies 6 ·
How to Draw Velocity Vectors for a Car on a Racetrack?
- sirfederation
- · Replies 5 ·
Block sliding down collides with and sticks to vertical rod, find pivot angle
- Moxin
- · Replies 7 ·
Baseball Velocity Projectile motion
- cowgiljl
- · Replies 2 ·
Find Optimum Launch Angle For Distance in Physics Class Project
- HBar
- · Replies 2 ·
Predicting Gravity on Other Planets
- Newb
- · Replies 3 ·
Momentum of a particle relative to the center of mass
- SpaceKat
- · Replies 2 ·
What Velocity Does the Sled Reach After 5 Seconds?
- Phyzor
- · Replies 3 ·
What is the speed of the block after sliding down the incline?
- Nb
- · Replies 3 ·
Flux density and E and B field amplitudes from a 100 W point source at 1 m
- jlmac2001
- · Replies 2 ·
How Do Mass, Radius, and Period Affect Centripetal Force in Horizontal Loops?
- thegame
- · Replies 2 ·
Coefficient of friction, sand impact force, bullet speed, collision energy loss
- explorer
- · Replies 2 ·
How Do Brakes Apply Stopping Force in Physics Problems?
- guhroovy_dainzaar
- · Replies 7 ·
A 52.2 kg driver steps off a diving board
- mustang
- · Replies 4 ·
A problem on centripetal forces and friction
- Chiara
- · Replies 2 ·
Projectile shot from 125 m cliff at 65 m/s and 37°
- bard
- · Replies 2 ·
The USS Constitution’s largest anchor weighed 5443 lbs
- tucky
- · Replies 4 ·
Coulomb barrier height and distance for 7.68 MeV alpha particles on gold
- Beer-monster
- · Replies 7 ·
Will a block on a table move with a 36N force and what will its acceleration be?
- explorer
- · Replies 2 ·
Solving a System of Equations for Pulley Accelerations and Tensions
- Chiara
- · Replies 7 ·
When does the car front catch up with the bicycle rear?
- Moon
- · Replies 8 ·
Find the angle relitive to the x axis
- Mesmer17
- · Replies 2 ·
How do I solve AP chemical equations without memorization?
- JKLM
- · Replies 2 ·
Demonstration on theoretical physics
- PRodQuanta
- · Replies 2 ·
Does the Bullet Stop Midair and Does the Falling Monkey Get Hit by the Dart?
- physicszman
- · Replies 11 ·
What is the speed of light in a diamond
- jlmac2001
- · Replies 2 ·
Where Can I Find Rhodoferax Ferrireducens?
- PRodQuanta
- · Replies 3 ·
Calculating Coefficients of Friction and Tension in a Two-Block System
- Freebunny
- · Replies 2 ·
So... What is the complication with the force in this setup?
- FrostScYthe
- · Replies 5 ·
Does incline angle affect acceleration on motion graphs?
- rdn98
- · Replies 2 ·
Three pulling strings with tension
- rdn98
- · Replies 5 ·
Checking 7 freely falling body problems
- meteoguy04
- · Replies 3 ·
Finding block volume from weights in water and alcohol
- ZeroXD
- · Replies 2 ·
How Does Kinetic Friction Affect Motion in a Pulley System?
- lizette
- · Replies 2 ·
What is the Spring Constant and Angular Frequency of a Car's Suspension?
- RIT_Rich
- · Replies 4 ·
How Far is a Loudspeaker from Two Observers Based on Sound Levels?
- Lipd
- · Replies 3 ·
What Causes Increased Horizontal Velocity After a Perfect Bounce?
- sonya
- · Replies 3 ·
Overtaking car at 60 km/hr alongside car at 40 km/hr, 100 m apart
- Nanabit
- · Replies 2 ·
Solving Physics Mechanics Problem: Snowball Off Barn Roof
- Tony Zalles
- · Replies 2 ·
Can Different Moving Speeds Have Identical Acceleration?
- physicszman
- · Replies 6 ·
Why Does the Ball Appear to Rise Vertically to the TA?
- Juntao
- · Replies 2 ·
IB Math Methods- Problems with Problems
- Astronomer107
- · Replies 2 ·
Have You Ever Wondered Why Sunsets are Red?
- Chiara
- · Replies 2 ·
Maximum force to keep two blocks moving together without slipping
- lizette
- · Replies 2 ·