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 Does Newton's 3rd Law Apply When Pushing a Wall?
- hsphysics2
- · Replies 1 ·
How Is Tension Calculated When Lifting a Bowling Ball?
- physicsnobrain
- · Replies 5 ·
Linear algebra ordered basis problem
- priyathh
- · Replies 3 ·
Solve following problems by using energy conservation theory
- olebull
- · Replies 1 ·
Light refraction problem in water & air
- MrMoose
- · Replies 4 ·
What Is the Initial Speed of a Horizontally Thrown Stone from Height h?
- Radarithm
- · Replies 7 ·
Find angle of polarizing sheet given original & transmitted intensity
- MrMoose
- · Replies 4 ·
Solve Mobile Pulley System: Acceleration of 3 Masses
- CAF123
- · Replies 47 ·
How Does Current Frequency Affect Wire Oscillation in a Magnetic Field?
- i_ammitija
- · Replies 3 ·
Tension in ropes between accelerating bodies
- quietbang
- · Replies 4 ·
Soccer ball rebouncing of the goal post
- brundlfly
- · Replies 1 ·
Bucket Swing Problem: Solving for Minimum Speed and Centripetal Acceleration
- dark_elf
- · Replies 2 ·
Tension in a Pendulum String - Oh my
- Engineering101
- · Replies 4 ·
Potential of a dipole in E field
- raggle
- · Replies 1 ·
How Does the Formula for Acceleration in a Pulley System Work?
- Yshai24
- · Replies 2 ·
Roller Coaster Physics in a Gravity-Less Park?
- murrskeez
- · Replies 1 ·
What are the Corresponding Reaction Forces in a Suspended Bowling Ball System?
- physicsnobrain
- · Replies 12 ·
Finding velocity after collision if you know mass and height. Help
- astru025
- · Replies 8 ·
Distance Needed to Reach Terminal Velocity
- elli
- · Replies 2 ·
Circular Motion: Deriving r for Two Objects on a String
- makerfeldt
- · Replies 2 ·
Re: Physics Homework Help, Please
- DrAnteater
- · Replies 1 ·
When does the mass of object comes into projectile motion equations?
- survivorboiii
- · Replies 1 ·
What is the Maximum Altitude of a Rocket Launched with Constant Acceleration?
- JohnCy
- · Replies 8 ·
Is Zero Net Force Required for Momentum Conservation?
- RevX
- · Replies 1 ·
What Determines the Acceleration of a Box on a Moving Plank?
- asaspades
- · Replies 2 ·
Did the ball travel far enough to make the goal?
- azukibean
- · Replies 8 ·
Finding Vector C Using A-2B=pC: Magnitude, Direction, and Components
- damdamct
- · Replies 6 ·
Identifying Freefall: Analyzing Graphs for Acceleration
- komender
- · Replies 4 ·
Conservation of Energy in Conjunction With Momentum
- Bashyboy
- · Replies 15 ·
Determine the magnitude of the magnetic field.
- NasuSama
- · Replies 5 ·
Friction of a rope wound around a stationary rod
- TheLil'Turkey
- · Replies 10 ·
Radius of centripetal force when on an angle.
- Esoremada
- · Replies 2 ·
Finding acceleration and tension on an incline
- soysauce
- · Replies 2 ·
How can I determine the force at support B in a rigid bar system?
- coconut62
- · Replies 3 ·
What are my units when finding % diff. In kinetic energy?
- astru025
- · Replies 5 ·
Motion in a Magnetic Field problem
- kjlchem
- · Replies 4 ·
Relating to potential energy of a spring and mass on inclined plane
- NewSoul
- · Replies 4 ·
Why Is Work the Same for Different Distances on an Inclined Plane?
- lovelyrwwr
- · Replies 2 ·
What Forces Determine the Sliding of a Block on a Wedge?
- makerfeldt
- · Replies 2 ·
How Do You Calculate Vector Components of a Rocket's Velocity?
- josephcung
- · Replies 2 ·
Find minimum force to move block
- the_sense
- · Replies 4 ·
What are the vector components of a rocket's impact velocity?
- josephcung
- · Replies 1 ·
Question about Newton's first law
- coconut62
- · Replies 2 ·
A block spins around a circle with thrust
- oneamp
- · Replies 5 ·
Deriving the Equation v^2 = u^2 + 2as
- Marcsmeets
- · Replies 13 ·
Find beats formula using imaginary parts
- mbigras
- · Replies 7 ·
What is the effect of overdampening in a circuit?
- kickthatbike
- · Replies 7 ·
What Is the Final Temperature in an Adiabatically Expanded Air Chamber?
- CAF123
- · Replies 26 ·
Calculating Tension in Frictionless and Massless Pulley Systems
- BMcC
- · Replies 6 ·
Vertical Projectile Motion, Please Check My Answers
- TheRedDevil18
- · Replies 15 ·
Finding Surface Charge Densities in a Spherical Conductor
- MostlyHarmless
- · Replies 17 ·
Physics momentum/ speed question. Need help
- astru025
- · Replies 6 ·
Time period of oscillation and gravitation
- Saitama
- · Replies 40 ·
Work,Energy And Power, Please Check My Work
- TheRedDevil18
- · Replies 7 ·
Sketch of energy - height graph
- songoku
- · Replies 2 ·
How to Convert a Velocity-Time Graph to a Position-Time Graph?
- pebbles3
- · Replies 4 ·
The Science Behind Why Peeling Off a Sticking Plaster Quickly Hurts Less
- Fabric
- · Replies 1 ·
Thermodynamics - example with answer
- manal950
- · Replies 6 ·
Does Opposite Acceleration Decrease Car Speed?
- chrissy9624
- · Replies 4 ·
The wave fuction for particle in a box
- VHAHAHA
- · Replies 6 ·
What is the distance from the pivot when the seesaw is balanced?
- Tepictoc
- · Replies 27 ·
Thermodynamics when work being negative or positive
- manal950
- · Replies 4 ·
Finding work and velocity through acceleration
- Pudim
- · Replies 1 ·
Find V(t) of train car with changing mass.
- oddjobmj
- · Replies 12 ·
Grade 12 Physics: Banked Roads and Friction Analysis
- pinkyboo
- · Replies 2 ·
Re: Entropy - Actually a question about working in Polar Coordinates
- iScience
- · Replies 6 ·
Distance traveled sliding down incline
- learnitall
- · Replies 7 ·
Diffraction grating with combination light
- Hapablap
- · Replies 1 ·
Finding the Displacement Vector from 3 Given Vectors
- fortifymagicka
- · Replies 2 ·
Centripetal force problems for dynamics
- pinkyboo
- · Replies 3 ·
Experiment question- energy consumed from single shower
- bigpapi4153
- · Replies 1 ·
Theoretical Uniform Magnetic and Electric Field
- Yosty22
- · Replies 1 ·
Multiplicity of a two state system
- d2x
- · Replies 1 ·
Kinematics and finding acceleration
- JohnCy
- · Replies 5 ·
Modeling Thunderclouds with Point Charges and Conducting Planes
- CAF123
- · Replies 1 ·
How Does the Pulley Rotate in a Modified Atwood's Machine with Friction?
- NUBIG10
- · Replies 3 ·
A momentum question? Not too sure
- noobphysicist
- · Replies 23 ·
Error Calculations: Calculating the Gradient & Error Propagation
- BOAS
- · Replies 1 ·
Newton's second law clarinet problem
- vanitymdl
- · Replies 17 ·
Find the work and heat transferred in a carnot cycle.
- Kelsi_Jade
- · Replies 7 ·
Determine Radiation pressure at angle given Perpendicular Pressure
- MrMoose
- · Replies 3 ·
Solving for Building Height and Time in Horizontal Projectile Motion
- harujina
- · Replies 3 ·
Gauss's Law for Spherical Symmetry
- Vectorspace17
- · Replies 3 ·
Mass and Energy of Object that struck Earth and created moon
- bowlbase
- · Replies 2 ·
How Is Oscillation Frequency Calculated in a Parabolic Potential?
- AdrianHudson
- · Replies 8 ·
Capacitance of two parallel plate capacitors
- Violagirl
- · Replies 7 ·
Calculate the avg speed for the ENTIRE trip.
- physicsnobrain
- · Replies 9 ·
Forces, find net with velocity and distance
- yogoes123
- · Replies 11 ·
Solve Min Velocity for Ball Not to Touch Hemispherical Rock
- 012anonymousx
- · Replies 1 ·
Calculating Average Force for a Baseball Batting Exercise
- astru025
- · Replies 2 ·
Electric potential graph analysis
- freshcoast
- · Replies 4 ·
Relating Light Angles in a High-Speed Reference Frame
- bowlbase
- · Replies 6 ·
Projectile Motion Problem: Finding Distance and Collision between Two Particles
- FaraDazed
- · Replies 9 ·
I in finding correct Coefficient of friction
- akki2063
- · Replies 3 ·
Deriving a value for Full Width Half Maximum
- Emspak
- · Replies 1 ·
Finding Tension and Resultant Force | 3000N Cable Force Problem
- Sam Fred
- · Replies 1 ·
Sinking bucket - differential equations
- markswabinski
- · Replies 1 ·
Why Does Susan Fall Forward When the Metro Brakes?
- fogvajarash
- · Replies 16 ·
Calculating Tension Force After Elastic Collision
- A. Aspart
- · Replies 1 ·