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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Where does a body weigh lightest?
- johsun123
- · Replies 4 ·
Find acceleration of an electron
- warnexus
- · Replies 3 ·
LRC Circuit: Frequency of Oscillation determined by R
- jamesbiomed
- · Replies 3 ·
How Do You Express tan θ in a Triangle Using u and v?
- unscientific
- · Replies 11 ·
Mechanics: Straight line motion
- MilenaMath
- · Replies 2 ·
How is the Work Done by Friction Calculated on a Box?
- snoopyrawr
- · Replies 5 ·
Solve Time Interval Between Two Cars Leaving with 0.4 m/s^2
- sambarbarian
- · Replies 3 ·
Need to find the charge of this capacitor?
- letsgo
- · Replies 1 ·
Finding the minimum speed of a loop the loop and finding the height of the hill
- SherBear
- · Replies 9 ·
Calculating Volume of 12g Carbon Cube
- peripatein
- · Replies 4 ·
Light globe brightness change with voltage
- Crushgear64
- · Replies 1 ·
What Happens to a Pendulum's Height at a 90-Degree Angle?
- eddiepi2012
- · Replies 5 ·
Radius of Gyration: Solving Inertia Discrepancies
- theBEAST
- · Replies 2 ·
Calculate the change in gravitational potential energy
- ASidd
- · Replies 1 ·
Moment of inertia rolling down a hill
- lo31415926535
- · Replies 8 ·
Work to lift 250 kg satellite to 300,000 m altitude
- ASidd
- · Replies 10 ·
What affects the resistivity/conductivity of metals?
- Crushgear64
- · Replies 6 ·
Wheels for a coasting car: why does moment of inertia matter?
- lo31415926535
- · Replies 9 ·
Friction problem- possible error in Halliday/Resnick
- Syrus
- · Replies 10 ·
Why Doesn't My Potential Difference Calculation Match the Given Answer?
- Zeta2
- · Replies 13 ·
Power input of a Force acting on a particle moving with Velocity
- _h2tm
- · Replies 3 ·
Calculating Duck's Displacement in 2.52s with F=ma and Kinematics Equations
- scorks
- · Replies 3 ·
A bullet strikes a wooden block
- Arooj
- · Replies 3 ·
What are the final velocities of two balls after an elastic head-on collision?
- Arooj
- · Replies 5 ·
Tangential acceleration given radius and angular acceleration
- pxp004
- · Replies 1 ·
Time it takes for a water tank to empty
- Flipmeister
- · Replies 9 ·
Tension of rope between 2 blocks
- Notion
- · Replies 5 ·
How Do Incline Angle Changes Affect Normal and Friction Forces?
- 123lar
- · Replies 2 ·
What Speed Causes Weightlessness on a Circular Hill?
- Unix
- · Replies 2 ·
Finding the normalization constant for a 1-D time independent wave function
- Jjohnson1osu
- · Replies 1 ·
What is the acceleration of the block on the incline?
- venceslau
- · Replies 2 ·
Why Isn't the Normal Force on the Sled 250 N?
- 123lar
- · Replies 1 ·
Centripetal acceleration A jet flies in a vertical circle
- hCornellier
- · Replies 3 ·
Unit conversion for velocity in a venturi nozzle problem
- ISX
- · Replies 6 ·
Finding Lengths of Springs with Three Identical Masses
- Moninder
- · Replies 17 ·
How Do You Calculate Tension and Friction in a Pulley System?
- wuki1
- · Replies 9 ·
Is my book making an algebra error?
- ozone
- · Replies 2 ·
How do you show the efficiency of an engine is x?
- lilliebeth
- · Replies 1 ·
Chimney falling and rotating about its base
- NasuSama
- · Replies 8 ·
How Do You Calculate the Speed of a Falling Chimney's Center of Mass?
- NasuSama
- · Replies 16 ·
Determining Height of Pendulum Attachment Point
- chikis
- · Replies 4 ·
Hydrodynamics : Calculate force exerted by fluid on Tube
- Blandongstein
- · Replies 1 ·
How Does Kinetic Energy Affect a Bouncing Ball's Height After Multiple Bounces?
- Hangst
- · Replies 3 ·
Reversing homework problems to solve for different variables
- HeartyBowl
- · Replies 2 ·
Circular motion Work Energy problem
- AmK
- · Replies 6 ·
Constant speed in a bosun's chair without changing pull force
- Syrus
- · Replies 4 ·
How to change an electric field?
- nukeman
- · Replies 7 ·
RC circuits - Current and electric potential
- msemsey
- · Replies 3 ·
Bump detection using accelerometer inside car, estimating suspension damping
- zacharoni16
- · Replies 15 ·
Units of slope in a tension vs θ (theta) graph
- seanmyers23
- · Replies 4 ·
Airplane flying in horizontal circle at 35° bank angle
- Lolagoeslala
- · Replies 2 ·
Cable angle to pull the greatest mass of sand at fixed tension
- coffeebird
- · Replies 1 ·
OM: Proving the Thermodynamics Relation for Ideal Gases Using Maxwell Relations
- Bipolarity
- · Replies 2 ·
What is the period of rotation for three stars forming an equilateral triangle?
- DRC12
- · Replies 4 ·
Tension and wind force on a spider hanging at 35 degrees
- Lolagoeslala
- · Replies 4 ·
What is the Center of Mass of an NH3 Molecule?
- evenmu
- · Replies 17 ·
Catapult project junior year high school
- ArcherofScience
- · Replies 2 ·
What is the distance between two ships and the correct solution to calculate it?
- peripatein
- · Replies 1 ·
How Does Doubling Internal Energy Affect Pressure in a Sealed Container?
- ab94
- · Replies 3 ·
What is the Electromotive Force Induced in a Moving Coil in a B-field?
- MrPacane
- · Replies 1 ·
Calculating Distance from a Charged Particle using Electric Field Strength
- Kennedy111
- · Replies 1 ·
How Does Cutting the String Affect the Motion of Air Track Gliders?
- Adinabobina
- · Replies 1 ·
Minimum distance between two satellites
- peripatein
- · Replies 1 ·
What is negative mechanical Power?
- jtcnyc
- · Replies 4 ·
Finding Earth's atmosphere mass from atmospheric pressure
- Nubcake
- · Replies 6 ·
What speed would a satellite have to be placed to make it into orbit?
- joe426
- · Replies 6 ·
X-Ray Spectra and Photon Energy
- kachilous
- · Replies 1 ·
Rolling sphere and cylinder same speed from different heights
- riseofphoenix
- · Replies 4 ·
Time constant in RC AC and RL AC Circuits?
- theBEAST
- · Replies 1 ·
Kinetic Energy of 50kg Block Accelerating 10m Up at g/10
- PhizKid
- · Replies 10 ·
Basic momentum/loss of energy question
- oreosama
- · Replies 3 ·
Distance Time Graph: Acceleration & Velocity Calculation
- chikis
- · Replies 8 ·
Mechanical energy and frames of reference.
- InertialRef
- · Replies 4 ·
How Do Forces on a Cantaloupe and Table Change in an Accelerating Elevator?
- Syrus
- · Replies 11 ·
Work and energy (change in potential)
- lemin_rew
- · Replies 1 ·
How Do You Calculate Average Velocity and Relative Air Velocity?
- nando94
- · Replies 1 ·
How do I calculate the force of an object attached to a spring?
- seallen
- · Replies 1 ·
Projectile Motion of broad jumper
- SigFig
- · Replies 1 ·
How Do You Calculate Speed Without Time in a Bungee Jump Scenario?
- johnjohnson
- · Replies 6 ·
Angular velocity of rod struck by particle in elastic collision
- wudingbin
- · Replies 8 ·
Will I be able to get anything out of you guys this time around?
- riseofphoenix
- · Replies 3 ·
Isobaric process. Find magnitude of heat transfer
- tigertan
- · Replies 2 ·
Object Launched from Origin: Time to Reach the Roof
- nando94
- · Replies 1 ·
Torque,rotational motion of an object
- davon806
- · Replies 1 ·
How Fast is a Spaceship Crossing Earth's Orbit?
- dave2001
- · Replies 27 ·
2 Vectors with Angles acting on an object
- JackandJones
- · Replies 7 ·
Average force applied by bullet
- joel amos
- · Replies 3 ·
How to find the weight of an object given the force
- kelcijade
- · Replies 4 ·
Why Is Average Velocity Calculated as the Mean of Initial and Final Velocities?
- xzibition8612
- · Replies 3 ·
Converting square feet to liters for paint coverage
- warnexus
- · Replies 8 ·
What is the impulse exerted by a bullet on a block?
- NasuSama
- · Replies 20 ·
Carnival ride : chair swings from cable attatched to overhang, spinning on axis
- conorwood
- · Replies 1 ·
Problem with Newton's second law
- Bohrok
- · Replies 3 ·
How to apply Bernoulli's equation to a fluid mechanics problem
- Saitama
- · Replies 8 ·
How Does Momentum Conservation Apply in Nuclear Disintegration?
- riseofphoenix
- · Replies 5 ·
Finding work with given horsepower
- joel amos
- · Replies 2 ·
How Do Elastic Collisions Affect Velocities and Center of Mass Movement?
- DatAshe
- · Replies 3 ·
How Can I Calculate the Frequency of the Left Pendulum in a Coupled System?
- Fabio010
- · Replies 6 ·
How Do You Calculate Rocket Trajectory and Impact?
- Newell33
- · Replies 3 ·
What Determines the Rider's Fate in Different Speed Domains of a Vertical Loop?
- S_Flaherty
- · Replies 24 ·