Free introductory physics homework help step by step from qualified mentors. Algebra and calculus based general physics homework. High school and undergraduate level.
Threads
Boxes hanging attached to box on shelf
- whartmann
- · Replies 1 ·
Momentum Conservation of Turntable and Beetle System
- amb202
- · Replies 3 ·
What Is the Critical Angle to Keep a Box Moving with Kinetic Friction?
- aftershock
- · Replies 1 ·
U-shaped tube- how far does the mercury rise when water is poured into one side?
- kalisious
- · Replies 1 ·
Equilibrium Problem: Solve Unknowns w/ Total F & Moment
- jghlee
- · Replies 6 ·
Why Is My Calculation of Slit Width Using Light Diffraction Incorrect?
- mustang1988
- · Replies 1 ·
Biting Force Distribution in Herbivorous and Carnivorous Jaws
- Emethyst
- · Replies 5 ·
What Is the Resultant Magnetic Force on a Wire in a Magnetic Field?
- strick
- · Replies 5 ·
Determining the magnitude of unknown charges
- crazuiee
- · Replies 5 ·
Find the speed of flow in the second pipe of an ideal fluid
- kalisious
- · Replies 1 ·
What is the Maximum Height a Rolling Marble Reaches on a Rough Hill?
- raiderIV
- · Replies 3 ·
Block slides down a slope question (force and time)
- physicsguy112
- · Replies 1 ·
How Much Extra Work Is Needed to Stretch a Spring Further?
- miamirulz29
- · Replies 1 ·
How many times as high to achieve twice speed
- fattydq
- · Replies 5 ·
Potential energy incline problem
- xjasonx1
- · Replies 2 ·
Block falling on spring/max compression
- wilcofan3
- · Replies 2 ·
Solve for Person's Final Height After Jumping Off Bridge
- Illyasviel
- · Replies 1 ·
Force Needed to Slide Trunk Down Inclined Plane with Constant Velocity
- imatreyu
- · Replies 2 ·
Concave Mirror Experiment Question
- xxbooknotexx
- · Replies 3 ·
Which Energy does E signify in E=hf.
- I_am_learning
- · Replies 13 ·
Help, this is a pulley question
- ashvinthecha
- · Replies 6 ·
Calculate the angular momentum of a solid uniform sphere
- raiderIV
- · Replies 4 ·
Ratio of masses of merry-go-round and the boy
- dorian_stokes
- · Replies 1 ·
"Collision Homework: Find Mass of Cart & Impact Force
- mmoadi
- · Replies 1 ·
Find the angle and the velocity of two cars after collision
- mmoadi
- · Replies 2 ·
Centripetal Acceleration Problem
- Macroer
- · Replies 3 ·
Explain the following action in terms of impulses
- bigd9903
- · Replies 1 ·
Archimedes force due to air on a person
- ttja
- · Replies 7 ·
How to Rank Radial Acceleration Magnitudes from Angular Velocity Graph?
- keemosabi
- · Replies 1 ·
Solving Spring, Block, Incline & Friction: Help Needed (Pictures Included)
- jjmont17
- · Replies 1 ·
Finding theoretical output of my hydro generaator thanks.
- suspecteg
- · Replies 1 ·
What is the circumference of a circle with a diameter of 1.2 meters?
- Samad
- · Replies 2 ·
Equlibrium and Gravitational Force
- amie
- · Replies 1 ·
What is the Maximum Frictional Force for a Block Against a Vertical Wall?
- DavidAlan
- · Replies 4 ·
Ball, gravity, velocity problem
- rcmango
- · Replies 2 ·
What is the minimum refractive index for total internal reflection at point P?
- Neophyte7
- · Replies 2 ·
How to find acceleration. With only Force of friction?
- 7randomapples
- · Replies 3 ·
Is Water or Air More Viscous at High Reynolds Numbers?
- UFeng
- · Replies 1 ·
Fluid Mechanics: 2 Conceptual Doubts Answered
- iitjee10
- · Replies 3 ·
Showing Instaneous Rest of System When m2 Falls
- r162
- · Replies 1 ·
Calculating Relative Speed of Body Parts After Internal Explosion
- r162
- · Replies 3 ·
What is the Potential Power Output of a Waterfall?
- pinnacleprouk
- · Replies 2 ·
Calculating Time for a 90 Degree Turn in Circular Motion
- billu77
- · Replies 4 ·
Picket Fence Lab: Measuring Gravity Acceleration vs Time
- Want to learn
- · Replies 2 ·
What is the Velocity and Energy of a Child on a Swing?
- physicsquest
- · Replies 3 ·
How Fast Can a Spider Lower Itself Without Breaking Its Web?
- bobsagget
- · Replies 7 ·
Gr11 Percentage of Kinetic Energy
- Du312
- · Replies 3 ·
Finding Mass of Block from Friction Coefficient
- merzperson
- · Replies 2 ·
Need help on a problem F=ma and i have gravity
- wash
- · Replies 4 ·
What is the direction of impulse delivered to a bouncing ball?
- synergix
- · Replies 2 ·
3rd Law: Weight vs Tension (picture)
- merzperson
- · Replies 5 ·
Rubber ball Rotational Motion Question
- Theta
- · Replies 3 ·
Question on finding the volume of vapor and the volume of liquid
- rinchan4
- · Replies 9 ·
Optimizing Velocity for Motion on a Banked Track
- mont
- · Replies 3 ·
How Do Gravity and Motion Affect Galaxies Andromeda and the Milky Way?
- Wellesley
- · Replies 4 ·
Impulse problem (intro mechanics)
- acherentia
- · Replies 1 ·
Mastering Physics, Finding the Compresssion of a Spring using Momentum.
- theoblivin8r
- · Replies 6 ·
Calculating Freefall Time: How Long Will the Book Take to Hit the Ground?
- Fritsc
- · Replies 3 ·
How Does the Moon's Position Affect Its Gravitational Pull on You?
- G-reg
- · Replies 13 ·
How exactly does friction/external forces affect the momentum?
- HoneyPancake
- · Replies 3 ·
Angular Acceleration with a Change in Rotational Axis
- Ignoramus
- · Replies 6 ·
Skydiving Analysis Homework: Position, Velocity & Acceleration Graphs
- rahul129
- · Replies 4 ·
Electron in circular motion in B field problem check
- nissanztt90
- · Replies 8 ·
Free Fall/Constant Acceleration Problem
- cheerspens
- · Replies 1 ·
Calculating Angular Momentum for a Rolling Sphere
- lmnt
- · Replies 3 ·
Mastering Physics Help, Conservation of Momentum
- theoblivin8r
- · Replies 7 ·
Why Am I Struggling with Newton's Laws Problems?
- jordanfeld
- · Replies 1 ·
Acceleration and free fall problem
- cheerspens
- · Replies 1 ·
Conservation of energy problem on an igloo
- ap.p.b.studen
- · Replies 1 ·
Acceleration and Free Fall Problem
- cheerspens
- · Replies 3 ·
Centripetal generated by rotation of the Earth
- dan667
- · Replies 3 ·
Find K: Hooke's Law & Massless Spring Homework
- Physics197
- · Replies 1 ·
Uniform roating disk - find inertia
- mattmannmf
- · Replies 8 ·
How Do You Calculate the Impulse of a Ball During a Collision with the Floor?
- crono_
- · Replies 1 ·
Lawn mower force question, and acceleration.
- bobsagget
- · Replies 6 ·
Dropping a Ball on a Frictionless Plane
- mckaiju
- · Replies 3 ·
Angular acceleration of a rod pivoted at an end, at angle below the horizontal
- therayne
- · Replies 2 ·
Calculate RPM: Kinetic Energy of a Wheel with Mass 15kg and Diameter 1.2m
- Kev1n
- · Replies 1 ·
Find angle to the rods vertical
- dorian_stokes
- · Replies 1 ·
What is the Friction Force on a Spinning Disk?
- holtvg
- · Replies 6 ·
Points of constructive and destructive interference
- AndreAo
- · Replies 4 ·
How Long Did the Power Delivery to the Ball Last?
- pinnacleprouk
- · Replies 5 ·
Skateboarder's tang. and radial acceleration
- lewis198
- · Replies 4 ·
Merry-go-round + sphere tied to rod
- Sw0rDz
- · Replies 1 ·
Electromotive Force: Calculate Charge, E.M.F & P.D.
- Xazdrubal
- · Replies 1 ·
Ladder Problem: Solving for the Minimum Angle
- Want to learn
- · Replies 4 ·
Calculating Overall Distance: Solving for S1 in a Two-Part Motion Problem
- skp123
- · Replies 9 ·
Work required to accelerate a horizontal wheel
- Mark617
- · Replies 5 ·
Child jumps on a cart, cart slows down, find mass of the cart and thrust force
- mmoadi
- · Replies 3 ·
Conservation of Momentum of a spring
- interxavier
- · Replies 3 ·
Calculating mass from angles and all sides of vector triangle
- spcmessina
- · Replies 1 ·
How to calculate friction of wheels of car?
- vissarion.eu
- · Replies 1 ·
Initial velocity of a Ball thrown up
- simpleee
- · Replies 14 ·
How Does an Elevator's Movement Affect a Block on an Incline?
- holezch
- · Replies 9 ·
Solid rigid equilibrium problem
- rAz:DD
- · Replies 7 ·
Light reflected in rod (Snell's Law)
- Jstew
- · Replies 6 ·
Understanding the Equilibrium of Positively and Negatively Charged Beads
- badgerbadger
- · Replies 3 ·
What is the meaning of the equation Vgrav = constant - 1/2 v2?
- Joe09
- · Replies 2 ·
How to Solve Ampere's Circuital Law Problem with Two Currents?
- shrabastee
- · Replies 2 ·
What Causes Deviation in Acceleration Due to Gravity in a Vacuum?
- mufc4ever
- · Replies 3 ·