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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What is the formula for finding angular velocity from a graph?
- goonking
- · Replies 11 ·
4-disk Squared Gyroscope problem
- RicardoMP
- · Replies 1 ·
How to Determine Velocity from a Force-Time Graph?
- Stasis
- · Replies 6 ·
Determining speed and height on a roller coaster
- crushedcorn
- · Replies 6 ·
Adding Vectors Using the Component Method
- upwardfalling
- · Replies 12 ·
Can I Use an Electromagnet to Repel Aluminum?
- Yummy Yum
- · Replies 5 ·
Gravitational potential energy
- Calpalned
- · Replies 6 ·
Wavelength given time, velocity, and cycles
- GiantSheeps
- · Replies 1 ·
Is the given force equation conservative?
- Calpalned
- · Replies 4 ·
Find speed using the work-energy theorem
- Calpalned
- · Replies 2 ·
Tangential acceleration of a proton in an increasing B
- Worme
- · Replies 6 ·
Calculating Elastic Modulus Using Steel Wire Stretching Data
- GiovanniG
- · Replies 4 ·
Finding the maximum displacement of a vertical spring using energy conservation
- Westin
- · Replies 3 ·
Find the potential energy function
- Calpalned
- · Replies 1 ·
Proving the property of entrophy
- A330NEO
- · Replies 3 ·
A problem on Relative acceleration.
- Satvik Pandey
- · Replies 18 ·
How Does Reconnecting Charged Capacitors Affect Their Charge Distribution?
- minimario
- · Replies 9 ·
Gravitational Force on Mass in Cavity of Planet
- anshuman3105
- · Replies 8 ·
Radians: Negative 126 Answer Explained
- goonking
- · Replies 5 ·
Error in angular magnification calculation
- xamy
- · Replies 5 ·
Approaching the Torque and Ladder Problem
- goonking
- · Replies 7 ·
Rank Torque Magnitudes of 6 Forces on Door
- Steelers72
- · Replies 2 ·
Voltage and Current in a Combination Circuit
- scowl
- · Replies 5 ·
Connected Capacitors and final charge
- minimario
- · Replies 13 ·
Momentum, Impulse and Collisions
- xRohan1
- · Replies 1 ·
Find maximum wavelength using minimum wavelength and frequency difference
- Shaulah
- · Replies 2 ·
How Does K1 Being Zero Affect the First Order Circuit Solution?
- x86
- · Replies 5 ·
Maximizing Vertical Height in Frictionless Rolling Motion on an Incline
- John Kolby
- · Replies 3 ·
Determining Coefficient of Kinetic Friction w/m, t, and v
- crushedcorn
- · Replies 2 ·
Temperature and entropy for two gases mixing
- Incand
- · Replies 2 ·
How Is Angular Magnification Calculated for a Microscope?
- xamy
- · Replies 3 ·
Finding Center of Mass on a Reaction Board Using Torque Principles
- leejos16
- · Replies 4 ·
Help please -- Problem of hydrostatics force in flat surfaces
- Queren Suriano
- · Replies 1 ·
Calculating Tension in a Hypothetical Moon-Earth System
- aracali
- · Replies 1 ·
Muons reaching Earth's surface problem
- fruggz
- · Replies 7 ·
What is applied load, applied force, and added load? friction
- SagarPatil
- · Replies 3 ·
Wavelength in the visible spectrum most strongly transmitted
- xamy
- · Replies 1 ·
Why do masses on a disk move differently than masses on a string?
- PFuser1232
- · Replies 7 ·
How much kinetic energy is released
- gijungkim
- · Replies 3 ·
I have one question regarding Kinetic Energy
- Tarabas
- · Replies 3 ·
Current through a bound cross-section
- Destroxia
- · Replies 3 ·
Gravitational potential energy: derive expression for energy
- MaryCate22
- · Replies 10 ·
How do I choose u' u and v for relative velocity
- grandpa2390
- · Replies 1 ·
Converting eV to Joules vs eV to V
- grandpa2390
- · Replies 4 ·
Temperature Variance with Resistivity
- minimario
- · Replies 8 ·
Age of radioactive sample, single variable equation.
- abri
- · Replies 4 ·
First law of thermodynamics & state functions
- Incand
- · Replies 16 ·
Single Slit / Wavelength / Central Maximum
- julianwitkowski
- · Replies 3 ·
Conservation of Linear Momentum Problem (Need help)
- Kaleem
- · Replies 6 ·
What is the coefficient of friction in a child pulling a sled up an incline?
- Sprockets
- · Replies 3 ·
Calculating Distance Between Charges Using Coulomb's Law
- savory
- · Replies 1 ·
Finding acceleration of a particle due to the magnetic field
- fruitbubbles
- · Replies 5 ·
Photoelectric effect and Compton scattering
- AllRelative
- · Replies 5 ·
Newton's second law (friction and pulley)
- GrantFuhrer
- · Replies 7 ·
Determine work in circular motion
- Calpalned
- · Replies 2 ·
How much work is required to stretch a spring by an additional 4.0 cm?
- Calpalned
- · Replies 2 ·
Centre of mass of a rod with varying density
- Barnes1995-5-2
- · Replies 5 ·
Energy question about kinetic energy and potential
- gijungkim
- · Replies 7 ·
At what angle of force is Kinetic friction least?
- gijungkim
- · Replies 22 ·
Equilibrium problem - Vertical beam, cable
- Valerie Prowse
- · Replies 9 ·
Determining Cv Value for Ideal Gases
- Jaydude
- · Replies 6 ·
Analytical Problem with Coulomb's Law
- antonisz
- · Replies 4 ·
Calculation of movement caused by a change in pressure
- LPChester
- · Replies 1 ·
Determine the mass of Jupiter using data about a moon
- Calpalned
- · Replies 3 ·
Checking answer for velocity of photoelectron
- eldred
- · Replies 4 ·
An Asteroid is moving along a straight line
- MajesticPenguin
- · Replies 1 ·
How Do You Calculate Angular Acceleration from RPM?
- J-Fly
- · Replies 2 ·
Understanding use of accelerometers
- madgorillaz15
- · Replies 17 ·
Frequency of damped mass-spring system
- Adel A
- · Replies 2 ·
Using Kepler's third law, determine the period
- Calpalned
- · Replies 5 ·
Two equal-mass stars orbit each other
- Calpalned
- · Replies 14 ·
Relativistic kinetic energy - particle decay
- Phynos
- · Replies 3 ·
Holding Up a Sign: Static Equilibrium Force and Torque
- PierceJ
- · Replies 2 ·
Why is there a vertical force on the pin in this static equilibrium setup?
- 15ongm
- · Replies 8 ·
Path of a Projectile in Polar Coordinates
- ngustilo
- · Replies 8 ·
Understanding Acceleration Formulas: Instantaneous vs Average
- stephenranger
- · Replies 12 ·
Circular loop with uniform magnetic field
- Shinwasha
- · Replies 5 ·
Dry ice sublimation, heat balance
- nooldor
- · Replies 2 ·
Conservation of Angular Momentum & Energy question
- 15ongm
- · Replies 3 ·
Suspended Beam: Solving Homework with Unknown Equations
- PierceJ
- · Replies 20 ·
Three electrons form an equilateral triangle
- t.kirschner99
- · Replies 1 ·
Estimate the Resistance of a Gold Wedding Ring
- Dhooy7
- · Replies 5 ·
Resistor Problem involving Lightbulbs
- ryankunzzz
- · Replies 4 ·
Voltage of a Capacitor using Kirchhoff's Loop Rule
- unknownv2
- · Replies 2 ·
Loop falling into a constant magnetic field
- jaydnul
- · Replies 1 ·
A mass inside a horizontal spring
- tecnica
- · Replies 14 ·
Angular acceleration of a rigid rod with a mass at both ends
- hs764
- · Replies 13 ·
The perfect spot between the Earth and the Moon
- Calpalned
- · Replies 3 ·
Experimental value for moment of inertia - Not about c.o.m.
- scottymo
- · Replies 6 ·
Calculating temperature and heat flow in a wall
- bohire
- · Replies 13 ·
Orbital velocity and radius for satellite
- joemmonster
- · Replies 5 ·
Impulse Problem -- A rolling cylinder collides with a cylinder at rest
- Satvik Pandey
- · Replies 26 ·
Why Does Tension Act in Two Directions at a Point in a String?
- andyrk
- · Replies 52 ·
How Do You Calculate Tension and Charge in Electromagnetic Problems?
- MiniOreo1998
- · Replies 1 ·
Electron moving through uniform magnetic field
- MiniOreo1998
- · Replies 2 ·
How Do You Calculate Spring Constant in a Rotating System with a Broken Thread?
- Adel A
- · Replies 1 ·
Spring launcher equation to find x
- Siavash
- · Replies 30 ·
Number of Events Detected (Neutrino Collisions)
- gradivcurl
- · Replies 3 ·
Satellite experiencing certain gravitational force - problem
- MiniOreo1998
- · Replies 1 ·
Magnetic fields, charged particles and directions
- vysero
- · Replies 10 ·