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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Dynamics: Newtons laws of motion
- Infamous_01
- · Replies 3 ·
How Does the Right-Hand Rule Determine EMF Direction in a Non-Conducting Loop?
- Kathi201
- · Replies 1 ·
Calculate Angular Acceleration & Time of Toy Car w/Vo, Vf, R, & C
- cobrasny
- · Replies 1 ·
What is the impulse given the wall?
- RUNVS
- · Replies 5 ·
Atwoods MAchine with two pulleys and three masses
- karabear1919
- · Replies 1 ·
Solve Maximum Speed Equation: I (of P) = I (of o) + Md*d
- dsptl
- · Replies 5 ·
Constructive/Destructive Interference
- yayirunin2car
- · Replies 5 ·
Particle Motion in a Box: Solving for Electric and Magnetic Fields
- tronter
- · Replies 1 ·
Question abot solving final velocity in elastic collision
- HelloMotto
- · Replies 1 ·
Nearsightedness, Refractive Power, Optics
- yayirunin2car
- · Replies 5 ·
Maximizing Distance and Angular Velocity: Solving a Billiard Ball Problem
- Nanoath
- · Replies 2 ·
Conservatino of Momentum: Bowling Ball and Earth
- needlottahelp
- · Replies 1 ·
Finding Gravitational Acceleration with Atwood Machine Graphs
- snsquare
- · Replies 3 ·
Friction and Max accleration, please explain this example.
- Yay
- · Replies 1 ·
Solving Projectile Motion with Initial Height and Final Velocity
- Tubs
- · Replies 24 ·
Crash Acceleration: Calculate SUV's Rate of Change in Velocity
- simplekin93
- · Replies 5 ·
Work and energy roller coaster question
- Inertialforce
- · Replies 6 ·
How Do You Solve a Two-Mass, Two-Spring System with External Harmonic Force?
- qwertybob
- · Replies 3 ·
Inclined plane with massless, frictionless winch
- r34racer01
- · Replies 1 ·
Impulse and Momentum of a belly flop
- zoner7
- · Replies 3 ·
Acceleration of a Ball: Understanding the Force of Gravity
- simplekin93
- · Replies 3 ·
Calculating the Length of a Rough Patch Using the Work-Energy Principle
- tater08
- · Replies 3 ·
Why Didn't Taking the Second Derivative Solve the Angular Acceleration Problem?
- Garen
- · Replies 6 ·
Calculating Induced EMF in a Coil
- Ithryndil
- · Replies 1 ·
How to derive the law of conservation of mechanical energy
- Chase R
- · Replies 1 ·
What is the train's final speed?
- jjl15hid
- · Replies 6 ·
How Far Down Does the Stone Strike the Opposite Building Wall?
- chudd88
- · Replies 4 ·
The Force on a Current in a Magnetic Field
- whatadoll
- · Replies 6 ·
Average Resistance Force Question
- alexandray77
- · Replies 2 ·
Coefficient of friction and drunk driver
- smw1016
- · Replies 1 ·
Center of Mass of 3 Masses at Corners of Triangle w/ Side L
- smw1016
- · Replies 1 ·
Two blocks connected by string with an angled force applied
- blakester
- · Replies 2 ·
Master Final Physics Exam: Solving Problems from Chapter 8 with Expert Help"
- grizzy225
- · Replies 1 ·
Work is still a four letter word
- kkronvall
- · Replies 2 ·
Swimmer and River (Relative Velocity)
- ritwik06
- · Replies 1 ·
What is the Coefficient of Kinetic Friction in a Sled Pulling Problem?
- ScullyX51
- · Replies 7 ·
Motional emf i thinkchange in area and magnetic field
- goWlfpack
- · Replies 5 ·
Solving for Speed: Average Net Force & Mass
- uno
- · Replies 1 ·
I am lost, dont know how to solve part 2
- asmasky
- · Replies 5 ·
Bouncing Steel Ball (Elastic Collision)
- Awwnutz
- · Replies 11 ·
How Does Elevator Acceleration Affect Scale Readings?
- swede5670
- · Replies 1 ·
Was the Porsche Speeding Before the Collision?
- Kudo Shinichi
- · Replies 12 ·
How to Calculate Kinetic Energy from an Internal Explosion?
- Bones
- · Replies 14 ·
Finding Friction with a .26kg Mass at an Angle of 26.1°
- Emily266
- · Replies 4 ·
Find momentum of pieces of shrapnel
- Chrisleo13
- · Replies 12 ·
I have a few problems dealing with work and kinetic energy
- shabut NAA
- · Replies 3 ·
Energy released by spaceship explosion
- avenkat0
- · Replies 1 ·
What Is the Acceleration in an Atwood Machine with Blocks of 396 N and 180 N?
- wallace13
- · Replies 1 ·
Calculating Work: Lowering a Piano with Two Ropes
- sktgurl930
- · Replies 4 ·
Conservation of momentum (extremely easy but confusing)
- avenkat0
- · Replies 3 ·
Finding the Best Angle for Pulling a Block of Mass M
- lax1113
- · Replies 1 ·
Natural Frequency and wavelength
- viciousp
- · Replies 1 ·
What is the Motional EMF in a Solenoid with a Square Loop Inside?
- goWlfpack
- · Replies 6 ·
Shell fragments exploding - NSL for system of particles
- netrunnr
- · Replies 1 ·
Ellipse on x=y Axis: Find Standard Formula
- scoradition
- · Replies 5 ·
Magnetic flux / induced emf problem
- tombroz
- · Replies 4 ·
Conservation of Momentum in an Explosive Collision
- avenkat0
- · Replies 2 ·
How Does Wave Amplitude Affect Ant Weightlessness on a Tightrope?
- beanieb
- · Replies 3 ·
Why Does a Heavier Wooden Crate Stop at the Same Distance?
- caltzx
- · Replies 1 ·
Understanding Flux and EMF in a Rotating Conducting Coil: True or False?
- haxxorboi
- · Replies 2 ·
PE of Hanging Cord: Solve 8th Ed. Ch.8 pr.35
- TimH
- · Replies 3 ·
Find work on a straight line path
- steph3824
- · Replies 5 ·
How Do You Calculate the Specific Charge of a Cu2+ Ion?
- bullseye
- · Replies 1 ·
Calculating Net Torque: An Example Problem with Formula and Image
- dsptl
- · Replies 5 ·
Brackett series nearest to Paschen series
- Quelsita
- · Replies 1 ·
Work and Energy of an electric motor
- Inertialforce
- · Replies 3 ·
Car's vibration after being compressed, and released on springs
- rinarez7
- · Replies 2 ·
Why Does Water Taper When Falling?
- TFM
- · Replies 4 ·
Battery Energy and Altitude Change
- gates040
- · Replies 1 ·
Energy in circular path with spring
- edowuks
- · Replies 1 ·
How Does Buoyant Force Compare to Weight When an Object is Held Submerged?
- tippetmaster
- · Replies 1 ·
Gravitational force on the earth and mars
- Oerg
- · Replies 15 ·
Practice Test Questions: Truck Acceleration & 2-Block Friction System Analysis
- xxpundoxx
- · Replies 1 ·
What Is the Direction of Induced Current in Copper and Glass Tubes?
- Precursor
- · Replies 1 ·
Solving for Mercury's Perihelion Distance
- Kinash
- · Replies 1 ·
Is Lower Impulse Better for Surviving a Car Crash?
- Slacker142
- · Replies 1 ·
Fiding the coefficent of friction for work done.
- Exiab
- · Replies 2 ·
Circular motion of a ball and string
- physics_geek
- · Replies 4 ·
Inequalities Can You Help A GAL Out? THANKS
- BeckyRN
- · Replies 2 ·
Current/Voltage/Resistance HELP
- krugertown
- · Replies 2 ·
How Does Height Affect Weight in a Hypothetical Mile-High Building?
- dominus96
- · Replies 1 ·
Penguin huddling -Heat transfer mechanisms -Radiation problem
- ctpengage
- · Replies 1 ·
Integrating Work from Force(time)
- ecophysicist
- · Replies 6 ·
Orbit Collision: Find New Earth Orbit Axes (A,B) in Terms of R
- me9900
- · Replies 2 ·
How Do I Calculate F1 and F2 in This Equilibrium Problem?
- Naldo6
- · Replies 6 ·
Calculating Air Resistance Force for Projectile Motion
- keemosabi
- · Replies 15 ·
What Are Phasors and How Do They Work in Wave Analysis?
- tony873004
- · Replies 3 ·
What Is the Final Velocity of Two Colliding Putty Wads?
- uno
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Restoring Forces and Hookes law
- Emendez3
- · Replies 4 ·
Help please, power (piano pulled up by workers through pulley)
- xregina12
- · Replies 1 ·
Circular Motion/Centripetal Forces
- omgitsmonica
- · Replies 5 ·
Pushing a Block: frictionless to friction
- Bones
- · Replies 1 ·
Calculate Space Momentum: Vi, V1f, V2f
- uno
- · Replies 2 ·
Solving Block on Incline Physics Problem
- Maiia
- · Replies 1 ·
Circular Motion: 2-step System (very confusing)
- asc3nd
- · Replies 4 ·
Calculating Energy Crossing Area in Uniform Fields
- Kris1120
- · Replies 1 ·
Velocity of Pendulum at a certain point
- grantrudd
- · Replies 4 ·
Solving Rotational Motion: 4kg Disk & 4.0kg + 8.0kg Masses
- Mugen112
- · Replies 2 ·
How Is Centripetal Force Calculated for a Bird Pulling Out of a Dive?
- Fractal314
- · Replies 1 ·
Can centripetal acceleration be nonzero when tangential acceleration is zero?
- Brit412
- · Replies 2 ·