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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Calculate Torque About Axis B: F, θ, ϕ, π Involved
- PerpetuallyConfused
- · Replies 3 ·
Microphone on spring detecting Doppler shift from 440 Hz source
- John123
- · Replies 7 ·
Height of the image of Jupiter created by the objective lens
- Nathan B
- · Replies 3 ·
Two-compartment box with movable wall and different initial pressures
- Das apashanka
- · Replies 12 ·
Finding de Broglie wavelength with Planck's constant
- Noreturn
- · Replies 7 ·
Diffraction Grating and White Light Problem
- Abu
- · Replies 13 ·
Combining conservation of momentum and kinetic energy
- DuoASM
- · Replies 12 ·
Travelling towards a Canyon Wall: Calculating Beat Frequency
- John Ker
- · Replies 3 ·
Finding power without given speed or time
- J51mustang
- · Replies 2 ·
Algodoo and Physics Analysis of Interactions
- Noe Wong
- · Replies 5 ·
What is the second term of the total kinetic energy in a rigid pendulum system?
- fib1123
- · Replies 1 ·
Tension of Rope in Middle is 17N
- Daascc
- · Replies 24 ·
How can I get only one single photon with a coherent light source?
- alizeid
- · Replies 3 ·
Finding the total momentum of system
- Stormblessed
- · Replies 8 ·
What are the dominant forces in different situations?
- Wes Turner
- · Replies 12 ·
Body decay on the axis of an infinite wedge
- avenior
- · Replies 12 ·
Calculating ΔS and P(final) for a Diatomic Ideal Gas in a Partitioned System
- Noman Rasheed
- · Replies 10 ·
Max power of a photovoltaic cell -- where did I go wrong?
- whatisreality
- · Replies 4 ·
Electric Field between two flat metal plates
- themagiciant95
- · Replies 6 ·
First natural frequency for bending, axial and torsion modes
- Feodalherren
- · Replies 5 ·
How do I draw a FBD for centripetal force
- Biochemgirl2002
- · Replies 6 ·
How Do You Solve Adiabatic Expansion Problems in Thermodynamics?
- Matt Armstrong
- · Replies 5 ·
Finding the total energy of a Pi meson
- AsadaShino92
- · Replies 15 ·
Conservation of Angular Momentum and Energy in a Rotating Space Station
- Jenna
- · Replies 1 ·
How do you work out average acceleration without time?
- NotVerySmart
- · Replies 5 ·
Power required to lift something vertically
- Pinon1977
- · Replies 22 ·
Finding Amplitude of spring oscillation after damping
- AbigailG
- · Replies 15 ·
Find the initial acceleration of block B
- Vivek098
- · Replies 10 ·
What Is the Non-Deformed Length of a Spring Between Two Linked Bodies?
- inv4lid
- · Replies 11 ·
Show the Fourier transformation of a Gaussian is a Gaussian.
- thomas19981
- · Replies 1 ·
Adding mass when a blocks rests on another block?
- dantechiesa
- · Replies 18 ·
A rocket moving vertically -- Find the cosmonaut's weight
- inv4lid
- · Replies 5 ·
Ball rolling down an incline angular and linear acceleration
- Fascheue
- · Replies 3 ·
What is the heat removal in J/min
- Chad Jensen
- · Replies 3 ·
No. of spinless particles in the left half of a box
- Pushoam
- · Replies 9 ·
Measuring coefficient of friction with a book
- Biochemgirl2002
- · Replies 23 ·
Kinematics question(angular velocity)
- mcchoy528
- · Replies 6 ·
Solving Flux of Molecules Problem
- Pushoam
- · Replies 14 ·
Forces acting on the person carrying a bucket of water
- miyayeah
- · Replies 4 ·
Is this a conservation of energy problem?
- Lori
- · Replies 7 ·
How do i find the coefficient of static friction?
- sam kim
- · Replies 2 ·
Verification of a ladder aginst a wall force
- barryj
- · Replies 12 ·
Quadrocopter Flight: Basic Criteria for Stable Flight
- Fibo112
- · Replies 4 ·
Finding output voltage given two resistances and voltages
- Mohamed Abdul
- · Replies 6 ·
Power Transmitted in a Coaxial Cable
- Marcus95
- · Replies 7 ·
How to calculate the speed of an object attached to a string
- aron silvester
- · Replies 2 ·
Maximum Mass You Could Boil with 1000 J of Heat (Thermodynamics)
- adamwest
- · Replies 6 ·
Energy Problem with Spring, Gravity, and Friction
- FettuccineAlfredo
- · Replies 2 ·
Maximum speed of car on downhill
- Jack122
- · Replies 1 ·
Calculating Gravitational Energy of 100 lb Mass in Rotation
- Pinon1977
- · Replies 9 ·
Kinematics, One Dimension, Acceleration, 2 objects problem
- Spoti112
- · Replies 3 ·
Are These Physics Questions Correct in English and Science?
- bahtiyar
- · Replies 6 ·
How does transformer taps work?
- janu203
- · Replies 4 ·
Generalized Velocity: Lagrangian
- WWCY
- · Replies 3 ·
Find the Coefficient of friction on a banked curve.
- Motzu2098
- · Replies 9 ·
Determining the power of a rotating system
- Pinon1977
- · Replies 8 ·
Fully filled capacitors with parallel dielectrics problem
- Amaelle
- · Replies 3 ·
Energy levels of harmonic oscillator with barrier at x=0
- RJLiberator
- · Replies 5 ·
Lens-Makers Equation: Finding Focal Length in Different Mediums
- PhyHyped
- · Replies 2 ·
Thermodynamics - Temperature change of Argon
- Seven of Nine
- · Replies 19 ·
Escape speed of electron from 10 nC charged glass sphere
- mitchy16
- · Replies 2 ·
Two blocks of mass m1, m2 are attached to a spring
- Vriska
- · Replies 16 ·
Orbital Period of the Earth where the Sun's Mass Changes
- Maik
- · Replies 6 ·
Calculate the Curl of a Velocity vector field
- themagiciant95
- · Replies 2 ·
Interference/Diffraction formulas
- waley
- · Replies 8 ·
Focal Length given M and distance between obj and img
- PhyHyped
- · Replies 4 ·
Calculating Clicks: Spoke Card Oscillations and Rotational Motion
- Aboramou
- · Replies 3 ·
Calculate Final volume and temperature of piston
- Jamie_Pi
- · Replies 1 ·
Magnetostatics - Magnetic field of a nonuniform current slab
- cmo2978
- · Replies 5 ·
Determining speed of electron in a parallel plate capacitor
- mitchy16
- · Replies 3 ·
An object is launched from the Earth to escape the Sun
- bobbsmmith
- · Replies 5 ·
How to calculate the intensity of light, given area and mass
- Michael Moynihan
- · Replies 3 ·
Particle motion + electric field when voltage varies
- RmsAdd
- · Replies 3 ·
Equilibrium with moments of forces
- LuigiAM
- · Replies 5 ·
3-phase delta supply to a 3-phase synchronous motor?
- Cocoleia
- · Replies 1 ·
Remaining in the same spot on a spinning disk
- Fibo112
- · Replies 37 ·
Speed of a Magnet Falling through a Conducting Wire
- VSayantan
- · Replies 9 ·
Energy of a Gas in equilibrium with BB-radiation
- VSayantan
- · Replies 9 ·
How Much Work Is Done When Pulling a Sled at an Angle?
- joesmith273
- · Replies 3 ·
Trace of the Exponential of a Square Matrix
- VSayantan
- · Replies 5 ·
How Do Velocity and Friction Affect a Coin's Motion on a Table?
- Fascheue
- · Replies 3 ·
Validate the Stefan Boltzmann equation
- tomadevil
- · Replies 4 ·
Bound surface charge of a cylinder
- Taylor_1989
- · Replies 5 ·
What Must Remain Constant for W = pΔV to Apply?
- songoku
- · Replies 9 ·
Magnetic field outside a conducting hollow cylinder
- FranzDiCoccio
- · Replies 8 ·
Partial Pressures and Vapour Pressure
- WWCY
- · Replies 5 ·
Derive the expression for the work done by the ideal spring
- Alexanddros81
- · Replies 1 ·
A rope of mass m and length L is hanging from the ceiling.
- Natchanon
- · Replies 7 ·
Finding the speed of the block for one and two springs
- miyayeah
- · Replies 5 ·
Current through an Ammeter in an Electric Circuit
- VSayantan
- · Replies 31 ·
Vertical Circles Centripetal Acceleration
- Pedgepoke
- · Replies 1 ·
Torque and force problem -- Atwood's Machine Motion
- Fascheue
- · Replies 20 ·
Collision of two charged particles projeced in magnetic field
- carlyn medona
- · Replies 4 ·
Time Period of a Small Oscillation
- VSayantan
- · Replies 26 ·
Prove v^ has all of a vector's quantities
- TheColector
- · Replies 8 ·
Finding Equations of Movement and Acceleration Along a Parabola
- CCMarie
- · Replies 4 ·
Using STdev wrong or apparatus error?
- CricK0es
- · Replies 2 ·
What Is the Fundamental Frequency of a Modified Stretched Wire?
- dantechiesa
- · Replies 6 ·
Why does L/T = ΔS for latent heat and entropy?
- WWCY
- · Replies 4 ·
Hyperbolic orbit: which focus is the orbited body at?
- WWCY
- · Replies 6 ·