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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A 20 kg sphere is at the origin and a 10 kg sphere is at (x,y) = (20,0
- NG12
- · Replies 9 ·
Solving for g: Derive Equation to Find Value of Acceleration Due to Gravity
- MSG100
- · Replies 3 ·
How Can I Solve This Compound Harmonic Motion Problem with Different Methods?
- mrzvengeance
- · Replies 19 ·
Last edited by a moderator: May 6, 2017
- Dassinia
- · Replies 4 ·
Bullet striking a block on a frictionless surface
- Dustinsfl
- · Replies 5 ·
Voltage to accelerate proton to collide with another proton
- aleksandrovich
- · Replies 3 ·
Particle sliding down a hemispherical bowl
- Tanya Sharma
- · Replies 6 ·
Rotational Inertia in two cylinders
- TheAce3317
- · Replies 1 ·
What is the acceleration of the ring on a vertical rod with a spring?
- nil1996
- · Replies 8 ·
Geneva wheel kinematic analysis—better approach
- Rellek
- · Replies 1 ·
Calculating Velocity of Mass in Ballistic Gel
- mpittma1
- · Replies 1 ·
Satellite moving around a planet
- utkarshakash
- · Replies 11 ·
Three Disks Coupled by Two Belts
- efitzgerald21
- · Replies 1 ·
Physics Lab - Electrical Circuits with Resistors and Capacitors
- mintsnapple
- · Replies 7 ·
Electrons bombard gaseous hydrogen - photon energies emitted?
- Flucky
- · Replies 2 ·
How Do Skaters' Velocities Change After Grabbing a Pole?
- efitzgerald21
- · Replies 1 ·
I=5.805 kgm^2San Francisco YoYo Acceleration and Tension Calculations
- efitzgerald21
- · Replies 1 ·
What is the order of magnitude for squared units like μm²?
- liamporter1702
- · Replies 6 ·
Calculating the Equation of a Transverse Wave
- puhdanks
- · Replies 4 ·
Derivations - What's Acceptable?
- BOAS
- · Replies 1 ·
Kepler's Law to Determine Period of Asteroid
- scrambledeggs
- · Replies 1 ·
What do the I's stand for in attenuation and power loss equations?
- calculator20
- · Replies 1 ·
How Much Can Block A Weigh Without Block C Slipping Off?
- ashimashi
- · Replies 3 ·
Who Will Win In a Downhill Race?
- physicStudent
- · Replies 4 ·
Why didn't we need to calculate the x-component in our pulley system lab?
- santoki
- · Replies 5 ·
Magnetic forces and particle of mass
- vanitymdl
- · Replies 2 ·
Speed of cricket ball after 20m with air drag
- bennyq
- · Replies 2 ·
How to find weight moving from the Earth's core up?
- Garretg06
- · Replies 3 ·
Infinitely Long Wire with Loop (Magnetic Field)
- Hitchslaps
- · Replies 3 ·
Does Pulling or Pushing Reduce Friction More When Moving a Crate?
- santoki
- · Replies 1 ·
Does Heat Affect Friction in Tires?
- dp86
- · Replies 6 ·
Does Air Resistance Cause a Ball to Take Longer Falling Down Than Rising Up?
- yoyo16
- · Replies 3 ·
Angular acceleration of a falling arm
- usernamed2
- · Replies 8 ·
Block-on-Block attached by String to Block in Pulley on Incline
- Keena
- · Replies 4 ·
Testifying in a case involving an accident
- negation
- · Replies 12 ·
Finding coefficient of kinetic friction without mass
- MakGriffith143
- · Replies 5 ·
Weight in an elevator? Free body diagrams
- Henrybar
- · Replies 1 ·
Thermodynamics - reversible isothermal cycle
- Feodalherren
- · Replies 2 ·
Current and voltage across resistor connected to ideal current source
- mango21
- · Replies 4 ·
Calculating Efficiency of a Solar Cell Indirectly
- aaron@pitt
- · Replies 5 ·
Astrophysics Project: Data Collection
- fu11meta1
- · Replies 3 ·
Two particles connected by a spring
- elevenb
- · Replies 2 ·
How to Calculate Image Position and Magnification for a Camera Lens?
- GoodOldLimbo
- · Replies 1 ·
Length of cooling including latent heat
- VoorMMMMMM
- · Replies 1 ·
Find the power of the light bulb
- TwinCamGTS
- · Replies 11 ·
Solving a convex mirror problem
- Jack.P
- · Replies 1 ·
Does entropy increase in this process
- utkarshakash
- · Replies 1 ·
Ball rolling down slope (with wedge-shaped groove)
- BenjyPhysics
- · Replies 8 ·
How do I estimate hours of use and find power for appliances?
- aboojoo
- · Replies 6 ·
Maximum angular velocity from a swing carousel
- piisexactly3
- · Replies 10 ·
Photon collides with stationary electron
- BenjyPhysics
- · Replies 6 ·
Thermodynamics - Adiabatic Compression
- ghostops
- · Replies 2 ·
How Does Phasor Simplification Apply to wLT /_ theta?
- eterna
- · Replies 3 ·
Entropy Change from Sun to Earth: 1000 J Radiation Transfer Calculation
- Feodalherren
- · Replies 2 ·
Simple Harmonic Motion: Ball on Spring with Mass and Compression Calculation
- puhdanks
- · Replies 7 ·
Magnetic flux through a rectangular loop near a current-carrying wire
- Flop880
- · Replies 3 ·
Force between two parallel current-carrying wires
- jasmine-
- · Replies 7 ·
What is the frictional force between two objects on an incline plane?
- endaman95
- · Replies 8 ·
Conservation of energy for a collision
- Norules
- · Replies 9 ·
Hydrogen Gas Transparency With Visible Light
- Neek 007
- · Replies 1 ·
RPM required to simulate Earth's gravity (Centrifugal acceleration)
- jwlgrant
- · Replies 2 ·
How Does Decreasing Wire Current Affect a Nearby Metal Rectangle?
- bbuilder
- · Replies 1 ·
What Does a Thermionic Cloud Look Like?
- Kincaid K.
- · Replies 1 ·
Height of elevator when marble is dropped from floor
- Radarithm
- · Replies 3 ·
Why Does an Electron Move from High to Low Electric Potential Energy?
- stormagedon
- · Replies 5 ·
Relationship between Induced Current and Current in a Wire
- bbuilder
- · Replies 2 ·
Eye Resolution: Calculating the Limit and Overcoming Obstacles
- physiks
- · Replies 3 ·
Pressure drop across an orifice (orific drop in meters?)
- scottniblock
- · Replies 3 ·
Blocks and Strings, Force Analysis
- phoenixXL
- · Replies 3 ·
Pressure drop across an orifice (Orifice pressure drop in meters?)
- scottniblock
- · Replies 5 ·
Focal length of convex mirror facing a plane mirror with candle
- HalcyonicBlues
- · Replies 1 ·
Uniform Circular Motion and Centripetal Force
- AJayS
- · Replies 3 ·
Longest wavelength of hydrogen light from 13.14 eV electrons
- P1nkButt3rflys
- · Replies 1 ·
Vertical spring (trampoline) compresion.
- Sane Co.
- · Replies 4 ·
Corrected.Finding the Energy and Work in a Carnot Cycle
- Feodalherren
- · Replies 7 ·
Integral of voltage time means?
- almaand
- · Replies 3 ·
What is the Y-component of T1 and T2?
- rickstarr93
- · Replies 5 ·
Diffraction gratings and young's double slit experiment
- physiks
- · Replies 5 ·
Energy Question - Chain sliding off frictionless table
- dsy5037
- · Replies 6 ·
How much force is required to stop a space ship?
- Dustinsfl
- · Replies 18 ·
Laws of Motion-magnitude/accel-Gerry has mass issues
- a.k
- · Replies 1 ·
Kinematics: Find Displacement in 2x Time w/ Constant Acceleration
- joaolucas
- · Replies 1 ·
Finding current through resistor (Kirchhoff's Laws)
- BMcC
- · Replies 6 ·
Grade 11 Intro to Physics question - distance a football travels
- FirstPhysics
- · Replies 12 ·
Normal Reaction Forces on a Moving Car
- wai1997401
- · Replies 4 ·
Why does free fall cause weightlessness?
- QuickDraw
- · Replies 6 ·
Momentum of a particle, I have x and y componants of momentum
- rwooduk
- · Replies 7 ·
Calculating Acceleration of Hanging Mass System
- physicos
- · Replies 9 ·
Net impulse and what objects exerts force
- savaphysics
- · Replies 4 ·
Thin film interference: when is reflected light eliminated?
- blue_lilly
- · Replies 3 ·
Doppler shift of 516 MHz radio signal from space probe
- blue_lilly
- · Replies 8 ·
Does the Normal Force Do Work on an Inclined Plane?
- endaman95
- · Replies 6 ·
Intensity in double slit interference
- physiks
- · Replies 4 ·
How many currents are in a circuit with this configuration?
- oneplusone
- · Replies 1 ·
The amplitude of sound waves from two nearby speakers
- anhhuyalex
- · Replies 1 ·
A photon and electron collision
- feliciasutanto
- · Replies 1 ·
Earth's Magnetic Dipole Moment
- majormaaz
- · Replies 2 ·
How Do You Calculate Current and Terminal Voltage in a Mixed Battery Circuit?
- qety6321
- · Replies 3 ·
How to Choose Prefix for Physics Exam
- SwedishFred
- · Replies 4 ·
Single bead on a vertical circle.
- alingy2
- · Replies 1 ·