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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Find Time for Motion Homework: Equations, Solutions, & Examples
- Troubadour
- · Replies 1 ·
Light emission and energy of states
- sindre00
- · Replies 12 ·
Bike Wheel Question: Kinetic Energy Lost on Impact
- rtsswmdktbmhw
- · Replies 9 ·
Trying to model the acceleration of a system due to an impulse forcing function
- theBEAST
- · Replies 4 ·
Solving Two Masses 3 Springs Homework Problem
- MMS
- · Replies 12 ·
Is Angular Momentum Dependent on Choice of Origin?
- rtsswmdktbmhw
- · Replies 6 ·
Physics Friction: Find Coefficient of Friction
- xCrissyX
- · Replies 1 ·
Enthelpy change for a real gas (Carbon dioxide)
- MexChemE
- · Replies 6 ·
Need assistance in Physics question relevant to Torque & Static equlibrium
- Aristotle
- · Replies 12 ·
Electric potential ( with angle)
- dmack15
- · Replies 1 ·
Two Capacitors in series for two circuits
- andre220
- · Replies 8 ·
Solving Tension in Cable Homework Statement
- SilverAu
- · Replies 2 ·
Positive slope instead of negative
- MMS
- · Replies 1 ·
Calculating Vertical Jump on Earth and the Moon
- alison16
- · Replies 5 ·
Understanding the Physics of a Cylinder Rolling Down a Slope
- TauMuon
- · Replies 1 ·
An experiment question: Rotational Motion
- Warlord
- · Replies 5 ·
Reflection and phase difference
- uzman1243
- · Replies 2 ·
Average force on a baseball when struck by a bat
- brycenrg
- · Replies 2 ·
Gravitational Potential at a Midpoint: What is the Solution?
- pyman999
- · Replies 3 ·
Newton's Law's - Calculate time when given distance and tension
- Nicaragua
- · Replies 5 ·
An Explosive separation of two carts already in motion
- Eric Williams
- · Replies 8 ·
Tarzan's Centripetal Acceleration: Finding the Point of Maximum Force
- BadatPhysicsguy
- · Replies 22 ·
Projectile Motion: Deriving 2g^2
- Klaz
- · Replies 14 ·
Calculating Torque on a Gate in a Water Dam
- Notion
- · Replies 1 ·
Dimension Analysis and buckingham pi
- princejan7
- · Replies 1 ·
In the CNO cycle, how does Nitrogen-15 become Carbon-12 and Helium-4?
- AAAA
- · Replies 3 ·
How Do I Split This Vector into Components?
- nesan
- · Replies 2 ·
Calculate velocity of helium baloon
- Samuelriesterer
- · Replies 11 ·
Pendulum Oscillation Frequency?
- DivideBy0
- · Replies 1 ·
Solving a Physics Homework Problem: Work, Energy, and Conservation
- neongoats
- · Replies 2 ·
Work of a Particle in the XY Plane
- Redfire66
- · Replies 1 ·
Work done on object vs work done by you
- rusty711
- · Replies 4 ·
How Can Lambda be Derived from Gauss's Law for an Infinite Line of Charge?
- beer
- · Replies 7 ·
Finding Torque in a Square: How to Determine the Distance for Calculating Torque
- Redfire66
- · Replies 1 ·
How far from the foot of the cliff does the ball land?
- inia6448
- · Replies 2 ·
What Forces Keep the Crate Stationary in an Accelerating Truck?
- Soniteflash
- · Replies 1 ·
Calculating Efficiency of Electric Vehicle
- bnashville
- · Replies 6 ·
Finding Force of Air Resistance on Parachutist Falling at 55km/h
- SCA
- · Replies 17 ·
Crash Test Craig drives his 800kg car up a 100m ramp. Help?
- bubblesarefun
- · Replies 15 ·
Ranking the Magnitude of forces
- sofix33
- · Replies 4 ·
Particles with a charge passing through electric field
- BadatPhysicsguy
- · Replies 1 ·
Differential equation for a rocket
- DontDeimos
- · Replies 1 ·
Power wasted/delivered to a resistor
- chris858
- · Replies 11 ·
Simple Harmonic Motion Pendulum problem
- bobbricks
- · Replies 5 ·
TOF (mass spectrometer) Analyzer Question
- carlphysics30
- · Replies 2 ·
What is the acceleration of the two blocks on a ramp?
- TheExibo
- · Replies 3 ·
Wheatstone bridge problem unable to understand
- Prince1281
- · Replies 27 ·
Faraday's Law - induced emf of a rotating loop
- Feodalherren
- · Replies 4 ·
Why Is the Normal Force on the Pulley Not Parallel to Gravity?
- zippeh
- · Replies 1 ·
A physics student is sitting on a rotating platform angular velocity question
- Kaitlin
- · Replies 6 ·
Calculate Potential Energy of Electron at a Parallel Plate Capacitor
- SpyIsCake
- · Replies 2 ·
Frictionless shove - kinetic energy and momentum
- PacFan01
- · Replies 1 ·
Percentage change in interior volume
- tige99
- · Replies 1 ·
Intensity of polarized light that has passed through two polarizing sheets
- Kant Destroyer
- · Replies 19 ·
How to find phi in simple harmonic motion
- FlorenceC
- · Replies 6 ·
Understanding the Larmor Formula: The Role of Field Line Connections
- albega
- · Replies 2 ·
How Does Frequency Affect the I/V Curve of a Lightbulb?
- ninjaduck
- · Replies 8 ·
Is My Buoyant Force Calculation Correct?
- hanag
- · Replies 3 ·
Gravity and Radius of the earth problem
- J.Sterling47
- · Replies 3 ·
Reciprocal Lattices and Ewald Sphere: Solving for a* and c* in a Tetragonal Cell
- PhysicsKid99
- · Replies 1 ·
Prove Poisson's Ratio is .5 for Small Strains
- _Anonymous_
- · Replies 2 ·
Two Blocks connected by a rope
- member 508213
- · Replies 10 ·
Scattering from a hard ellipsoid
- Present
- · Replies 1 ·
Day length and orbital period + apparent luminosity
- cbrons
- · Replies 18 ·
Calculating Thickness of Lenses for Max. Reflection: n1, n2, λ
- toothpaste666
- · Replies 4 ·
The moment of inertia of a rod that is rotating off the end of the rod.
- Lewis Edmunds
- · Replies 2 ·
Angle of refraction through a prism
- james.rg
- · Replies 2 ·
What is the question you are trying to answer?
- SomeoneElse
- · Replies 4 ·
Unsure of ΔUspring in regards to ΔKE
- Aviator_
- · Replies 4 ·
Why is Normal Force Negative in this situation?
- soccer123
- · Replies 4 ·
How Does the Larmor Formula Relate to Energy Conservation in Electron Motion?
- peripatein
- · Replies 2 ·
Electric charge in parallel plate capacitor with 2 parallel dielectrics
- AndrejN96
- · Replies 1 ·
Min Friction Factor to Maintain Angle of Beam on Wall: 60°
- Patrikp
- · Replies 6 ·
Calculating Jet Speed in Vertical Loop: Centripetal Force Question 1 Explained
- TheExibo
- · Replies 1 ·
Electric Field of a circular arc at a point
- Hijaz Aslam
- · Replies 3 ·
Calculating Time Delay for Radio Telescope Pointing
- toothpaste666
- · Replies 6 ·
Moments Problem -- 2 friends carrying a crate up a flight of stairs
- RyanUSF
- · Replies 5 ·
Basic Physics Ramp & Friction Question
- olwyn
- · Replies 1 ·
Proof of disk moment of inertia using area density
- scain6043
- · Replies 1 ·
How Much Force is Needed to Move a Wire with Soapy Solution?
- EmilyO89
- · Replies 3 ·
A space vehicle splitting into two parts (velocity question)
- MNWO
- · Replies 6 ·
Help with an inclined plane problem
- DudleySquires
- · Replies 6 ·
Finding radius of curvature of an eyeball
- navm1
- · Replies 2 ·
Colombo's Law Gizmo - Force & Distance Equation
- garr6120
- · Replies 5 ·
What are the minimum and maximum temperatures?
- Dustin Cuocci
- · Replies 7 ·
An issue with Conical Pendulums
- ohmanitsDAAAAAN
- · Replies 3 ·
Troubleshooting Infrared Wavelength Estimation Experiment
- XXZZ
- · Replies 3 ·
A spinning space station exhibits a change in moment of inertia.
- MacRowan
- · Replies 2 ·
What Is the Magnetic Field at Point P Due to a Short Current Element?
- reed2100
- · Replies 3 ·
Force on Each Mass in a Two-Mass Spring System
- Hereformore
- · Replies 2 ·
Projectile Motion - Time in Air
- air-in
- · Replies 3 ·
USAPhO 2009 F=MA exam #16, (angular frequency of a spring)
- Agrasin
- · Replies 14 ·
Simple Harmonic Motion and angular frequency
- Abid Rizvi
- · Replies 1 ·
Why is the resistance lower in a bulb which is turned on?
- davidbenari
- · Replies 14 ·
Conservation of Energy and Springs
- Redfire66
- · Replies 1 ·
Electron move through capacitor
- Matt Q.
- · Replies 3 ·
Diffraction grating and Dirac comb
- SarahLou
- · Replies 7 ·
Help with electric field problem- Yr 12 physics
- JenL
- · Replies 4 ·
What Does R(n) Represent in a One-Dimensional Chain Model?
- usn7564
- · Replies 1 ·
Static Friction -- A ladder leaning against a wall starts to slip
- 9vswt
- · Replies 13 ·