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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Quick question about spring compression and work
- Gabbo
- · Replies 3 ·
Understanding Snapshot and History Graphs for Waves
- bcjochim07
- · Replies 11 ·
Forces and finding tension of rope
- holezch
- · Replies 8 ·
Need help- Force of friction in a circle.
- Socom
- · Replies 1 ·
What is the Maximum Velocity of a Person Falling from a 35 Meter Tower?
- phuketman
- · Replies 8 ·
What is the mass of the other block in this block and pulley system?
- candykane91
- · Replies 2 ·
Projectiles Problem - hardest physics problem I have ever faced
- lolzwhut?
- · Replies 8 ·
Springs and Potential Energy
- BlueEight
- · Replies 1 ·
What Force Accelerates a Sled on Snowy Ground?
- mmoran
- · Replies 1 ·
What is the Equivalent Capacitance of a Single Capacitor Setup?
- Sami Lakka
- · Replies 1 ·
When is rotational energy conserved?
- Jimmy25
- · Replies 4 ·
Calculating Speed for High Jump of 1.60m
- 5t34lth
- · Replies 2 ·
What is the Bernoulli Equation?
- PhysicsGnome
- · Replies 2 ·
What Is the Maximum Speed a Car Can Maintain in a Curve Without Skidding?
- datajd
- · Replies 1 ·
50 kg skater pushed 0.4m with 150N force, slides 80m before stopping
- nvallettejr
- · Replies 7 ·
Determining Mass of Binary Star Systems Using Center of Mass Method
- HasuChObe
- · Replies 3 ·
Stuck on some Physics, help please (Work and Energy)?
- Marcelgluch
- · Replies 1 ·
What is the magnitude of the current density across A1 ?
- zooropa
- · Replies 1 ·
Solving Pixels: OCR Advancing Physics Book
- greener1993
- · Replies 9 ·
A problem that i spotted about expansion;
- Cryphonus
- · Replies 2 ·
Pulley and Work Energy problems
- Homakruz
- · Replies 6 ·
Impulse steel ball falling on steel slab
- offbeatjumi
- · Replies 4 ·
Average Power of 1000 kg Sports Car from 0 to 25 m/s
- datajd
- · Replies 1 ·
Understanding Node Spacing in Standing Waves
- maccha
- · Replies 2 ·
Circuit with capacitor question
- Timiop2008
- · Replies 2 ·
Calculating F2 for Double and Triple Changes in Coulombs Law"
- wilson_chem90
- · Replies 3 ·
Finding Rotational Energy and Acceleration of Decending Mass
- nvallettejr
- · Replies 3 ·
Help with temperature and Pressure
- hippyhoppy
- · Replies 12 ·
Angular velocity for a turntable
- captainsmith1
- · Replies 2 ·
What Am I Doing Wrong with Perpendicular Mirror Image Positions?
- bcjochim07
- · Replies 4 ·
How Are the Masses of Binary Stars Calculated?
- Zvaigzdute
- · Replies 1 ·
Universal law of gravitation(variables)
- captainsmith1
- · Replies 2 ·
Cable Tensions at points, help.
- gu3szwhoo
- · Replies 3 ·
How Is the Man's Mass Calculated from Throwing a Ball on Ice?
- davedays
- · Replies 1 ·
Find number of turns in the solenoid
- jackxxny
- · Replies 6 ·
How does the mass of Z compared to mass of Y affect the recoil kinetic energy?
- Kaxa2000
- · Replies 2 ·
Collision Problem: Find Mass of Second Box
- cjmagic
- · Replies 1 ·
Maximizing Strength: Smaller Angles in Guy Wires
- coolone_888
- · Replies 1 ·
Solving for Velocity and Force in a Rocket Problem | Conservation of Momentum
- Cryphonus
- · Replies 6 ·
Angle to Shoot Bow & Arrow at Object 1m Deep in Lake
- jumbogala
- · Replies 4 ·
How Does Friction Affect a Small Block on a Moving Incline?
- countryapple
- · Replies 1 ·
How Fast Does a Stapling Gun's Ram Move at Impact?
- Cluless
- · Replies 2 ·
SPHERICAL CAPACITOR - with two insulating shells
- Grommit
- · Replies 1 ·
An angle at which the body cannot be moved
- Mad_Eye
- · Replies 2 ·
Does Ignoring Work Done by Gravity Affect Calculations in Work-Energy Problems?
- RoganSarine
- · Replies 1 ·
Minimum Velocity for Pendulum to Clear Arc
- warfreak131
- · Replies 3 ·
What Force Keeps a Submerged Rubber Ball in Equilibrium?
- TheNextOne21
- · Replies 3 ·
Why is the direction of the dipole moment always taken from -q to +q?
- ananthu
- · Replies 8 ·
Find the Function of a Bungee Cord for Egg Drop
- larso5
- · Replies 3 ·
Finding Current and Potential Difference in a LCR Circuit
- mgrphysics
- · Replies 1 ·
Calculating Torque on a Playground Merry-Go-Round
- watwat2
- · Replies 7 ·
Power in fullwave rectified circuit
- songoku
- · Replies 5 ·
Rigid body solid: center of mass and tendency to topple
- ttja
- · Replies 1 ·
Angular acceleration homework problem
- Dr_bug
- · Replies 5 ·
Propagation of error if one of the values is 0
- nietzsche
- · Replies 4 ·
A mass is attached to two strings, derive a formulas for sum of forces
- Kat11111
- · Replies 3 ·
Constant Acceleration and Free Fall Problem
- cheerspens
- · Replies 1 ·
Calculating the Period of a Pendulum with Varying Acceleration
- maccha
- · Replies 4 ·
Study Question - Real Battery with bulb, current/resistance
- exitwound
- · Replies 1 ·
Ferris Wheel Homework: Centripetal Acceleration & Forces
- freeurmind101
- · Replies 1 ·
Tangential and centripetal acceleration problem
- r_swayze
- · Replies 4 ·
Jet Catapult Work: Calculate Kinetic Energy & Work Done
- ayerski
- · Replies 1 ·
Angular motion homework problem
- Dr_bug
- · Replies 1 ·
Where Is the Point of Zero Net Force Between Planet Angeles and Its Moon?
- bobsagget
- · Replies 2 ·
How to calculate the spring constant in an elevator fall scenario?
- gb14
- · Replies 3 ·
I don't get this question help me please?
- jojo14
- · Replies 1 ·
Why Is the Equipotential Line Tangent to the Thick Black Line?
- yitriana
- · Replies 1 ·
Issues with Simple Glass Lens & White Light
- songoku
- · Replies 2 ·
Angular acceleration of a drill
- Dr_bug
- · Replies 2 ·
Momentum Conservation in Collisions: Equal Mass Carts
- nietzsche
- · Replies 4 ·
Block released from spring slides up a ramp
- Wint
- · Replies 1 ·
Calculating Deceleration and Force of Impact: Skateboarding Physics Homework
- amandamanda3
- · Replies 1 ·
Pendulum & Basketball Lab(Accelration due to gravity)
- BKelAB
- · Replies 4 ·
Pulling vs Pushing: Which is Easier for Moving Chairs?
- coolone_888
- · Replies 2 ·
AZING PHYSICS: What Can a Cone Teach Us About Motion?
- Sci-Fry
- · Replies 3 ·
Finding the Normalizing Constant for the Maxwell-Boltzmann Distribution
- henryc09
- · Replies 2 ·
Newton's Law on Circular Motion
- mc8569
- · Replies 14 ·
2-dimentional movement of a point
- SimpliciusH
- · Replies 1 ·
How Fast Can an Astronaut Walk on Europa?
- KatlynEdwards
- · Replies 13 ·
Velocity versus time form acceleration versus time
- KillerZ
- · Replies 3 ·
Period of orbiting satellites - Mastering Physics 13.20
- xanthmode
- · Replies 3 ·
Bell shrinking due to water pressure
- semc
- · Replies 13 ·
Ticker-Tape Cart, moving down ramp Experient, determine acceleration w/o graphs
- hoho1
- · Replies 1 ·
Speed of a conical pendulum bob
- DavidDishere
- · Replies 5 ·
Couple Multiple Choice questions on force and centripetal acceleration.
- DavidDishere
- · Replies 6 ·
Funny email received with Physics PE problem
- lynk
- · Replies 1 ·
Distance between water molecules.
- robertsa
- · Replies 2 ·
Average force applied by baseball on glove
- balletgirl
- · Replies 3 ·
Finding Acceleration in Uniform Circular Motion
- emyt
- · Replies 3 ·
Do gases have a definite volume?
- mackygood
- · Replies 6 ·
Static & kinetic friction could cause motion?
- Mola
- · Replies 1 ·
Calculating the Distance of Canoe Movement
- am13
- · Replies 3 ·
Calorimetry - Water & Ice Problem
- catspajamas
- · Replies 1 ·
Theoretical Expression for %loss in Kinetic Energy
- crazuiee
- · Replies 5 ·
Solving Collision Problem: Find Speed, Spring Constant & Inelastic Energy
- PhilCam
- · Replies 8 ·
What Is the Initial Velocity of the Bullet Before Impact?
- lizzy2k6
- · Replies 1 ·
C: Finding Resultant Forces at an Angle
- coolone_888
- · Replies 3 ·
Electric potential at a point between 3 point charges
- Unemployed
- · Replies 1 ·
What is the correct method for calculating the speed of a bicycle chain?
- freeurmind101
- · Replies 6 ·
Acceleration and friction problem
- PhilCam
- · Replies 3 ·