Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.
Threads
Total Charge from Charge Density?
- Slusho
- · Replies 3 ·
Derivation of Fresnel equations / minus sign
- fluidistic
- · Replies 7 ·
Chorin Artificial Compressibility Equations
- angy
- · Replies 1 ·
Uncertainty Principle and dart of mass
- teme92
- · Replies 3 ·
Probability Amplitude Homework: Showing Definition of Time Derivative
- teme92
- · Replies 4 ·
Wave Function: Normalization Constant
- teme92
- · Replies 43 ·
Coefficients of a Superposition of State Vectors?
- kq6up
- · Replies 15 ·
Charge distribution in an electric field
- teme92
- · Replies 5 ·
Electric field due to a charged sphere
- Noctisdark
- · Replies 16 ·
Electric Field due to two circular line charges
- emmett92k
- · Replies 58 ·
How to calculate net Thrust of rocket
- deeppurple247
- · Replies 2 ·
Question regarding current loops - electric dipole radiation
- fluidistic
- · Replies 6 ·
Given a current, calculate the charge distribution
- fluidistic
- · Replies 7 ·
Moving sphere in magnetic field
- fluidistic
- · Replies 18 ·
Plane wave passing from vacuum to conductor
- fluidistic
- · Replies 3 ·
Electric field due to a charged disk
- Noctisdark
- · Replies 12 ·
Why Does Equation (7) in Magnetic Vector Potential Have a Negative Sign?
- fricke
- · Replies 1 ·
Find the Spin Eigenvalues for Two Particles with Spin=1
- ATY
- · Replies 1 ·
Problem with Net Coulombic Force
- Better WOrld
- · Replies 4 ·
Action-angle coordinates for the spherical pendulum
- luisgml_2000
- · Replies 17 ·
Grashof Number Calc for Greenhouse: 1.5m x 2m x 2m
- trickre
- · Replies 1 ·
How can I find the second constant of motion in a bidimensional oscillator?
- Zeroxt
- · Replies 11 ·
TM and TE waves in coaxial waveguide
- fluidistic
- · Replies 4 ·
Charged particle in a B field, tensor notation
- fluidistic
- · Replies 6 ·
Derivation of non decaying mode in cosmology
- smallgirl
- · Replies 9 ·
TM modes between 2 parallel plates with 2 dielectrics
- fluidistic
- · Replies 6 ·
Cosmology: Estimating CMBR Horizon Distances & Inflation Size
- RingNebula57
- · Replies 8 ·
Two (almost) independent infinite square wells
- treynolds147
- · Replies 6 ·
Eigenstate solution for a spin chain with Hubbard model
- Thor90
- · Replies 7 ·
How Is the Divergence of J Derived in Electromagnetic Fields?
- barefeet
- · Replies 2 ·
Fundamental Poisson Bracket - Canonical Transformation
- raider_hermann
- · Replies 1 ·
Spin Matrices for Multiple Particles
- tomdodd4598
- · Replies 6 ·
MSSM Higgs Potential Homework: Get Equ. (1.70)
- Safinaz
- · Replies 4 ·
Does Entropy Change When a Gas Cylinder is Raised to Vertical?
- publius10
- · Replies 11 ·
Radiation fields from a rotating ring with current
- fluidistic
- · Replies 4 ·
Reflection of particle between Inertial frames in SR
- cpsinkule
- · Replies 3 ·
Transformation to a r. frame in which E and B are parallel
- egutierrezposse
- · Replies 1 ·
Eigenstates of 3 spin 1/2 particles
- tomdodd4598
- · Replies 12 ·
Probabilities of the States of a Spin 1 Particle
- tomdodd4598
- · Replies 11 ·
Magnetic moment calculation from curie constant (thought this was easy)
- mloving86
- · Replies 1 ·
Why is black hole photon sphere outside the event horizon?
- Prof. Hawking
- · Replies 5 ·
Sphere enclosed in shell is expanded, find work done
- gnrlies00
- · Replies 4 ·
Adiabatic equation in dependence on volume and pressure
- steroidjunkie
- · Replies 5 ·
Motion of a particle in an EM field
- fluidistic
- · Replies 9 ·
Assumption of thermal equilibrium for ensembles
- Coffee_
- · Replies 1 ·
Problem with Maxwell Lagrangian Density
- Strangelet
- · Replies 2 ·
Magnetic Field of Rotating Circular Ring
- zero1342
- · Replies 5 ·
Quantum harmonic oscillator inner product
- Dazed&Confused
- · Replies 1 ·
How to Calculate Bond Distance in OCS Molecules?
- fricke
- · Replies 1 ·
Magnetic field far from the origin
- OhNoYaDidn't
- · Replies 1 ·
Where to place a thin lens to couple a ray into a fiber
- STINGERX
- · Replies 1 ·
Finding the generator of a transformation
- Dazed&Confused
- · Replies 1 ·
Hamiltonian for spherically symmetric potential
- Vitor Pimenta
- · Replies 5 ·
A chain falling off a rotating disc
- Adoniram
- · Replies 19 ·
Showing infinitesimal transformation is canonical
- Dazed&Confused
- · Replies 4 ·
Drag in the x and y directions
- Hermes Chirino
- · Replies 3 ·
Calculating Area and Volume of a sphere through line element
- Tony Stark
- · Replies 6 ·
Scalar Product of displacement four vector
- Tony Stark
- · Replies 4 ·
How to prove that position by velocity is a constant vector
- heenac2
- · Replies 5 ·
What Is the Correct Debye Temperature Calculation for Gold?
- Spring lady
- · Replies 2 ·
How Can Maxwell Relations Be Applied to This Thermodynamics Problem?
- Lucas Mayr
- · Replies 3 ·
Variation Method: Finding Ground State Energy of 1D Harmonic Oscillator
- Firben
- · Replies 5 ·
QM: Two coupled spins in a magnetic field
- barefeet
- · Replies 19 ·
Why Does Calculating the Center of Mass of a Hemisphere Yield Different Results?
- Adoniram
- · Replies 8 ·
Confused about perturbation theory with path integrals
- Hazz
- · Replies 1 ·
How Does the Horizontal Axis Work in Phonon Dispersion Curves?
- gomboc
- · Replies 1 ·
Quantum Mechanics - Lowering Operator
- izzmach
- · Replies 4 ·
QM: Expectation value of raising and lowering operator
- barefeet
- · Replies 1 ·
Ground state in an infinite square well with length doubling
- cpsinkule
- · Replies 3 ·
Hydrostatic equilibrium violated in the sun
- AStaunton
- · Replies 2 ·
In mechanics: doea the length of the wire affects the angle?
- Tali
- · Replies 2 ·
How to Determine Energy Probabilities in an Infinite Potential Well?
- Firben
- · Replies 1 ·
Differentiating the relativistic charge wrt velocity
- spaghetti3451
- · Replies 2 ·
How Rabi frequency scales with laser intensity?
- Mark Mendl
- · Replies 3 ·
Investigating a Parabolic PDE algorithm
- ognik
- · Replies 6 ·
Help in Normalization of a Wave Function
- Vaibhav DixiT
- · Replies 4 ·
Magnetic Field in Spherical Coordinate
- roam
- · Replies 4 ·
Dispersion and the dependences of refractive indexes
- Issy
- · Replies 1 ·
Total radiation power emitted in a semi-transparent volume
- Hypatio
- · Replies 9 ·
What are the quantum numbers (n, L, J)?
- unscientific
- · Replies 23 ·
Covariant derivatives commutator - field strength tensor
- caimzzz
- · Replies 2 ·
Conditions on Christoffel Symbols?
- unscientific
- · Replies 5 ·
How to Determine Pulse Time in a Non-Uniform String?
- ssnakee
- · Replies 1 ·
Dimensional Regularization in Peskin
- gobbles
- · Replies 2 ·
Infinite Square Well (Conceptual)
- Nicolaus
- · Replies 2 ·
Maximum position expectation value for 1D harmonic oscillator
- AwesomeTrains
- · Replies 12 ·
How Can Variational Principles Help in Discretizing Elliptical PDEs?
- ognik
- · Replies 3 ·
What is the expected rate of reactions in the detector?
- unscientific
- · Replies 1 ·
What is the Commutator of [x, p e^(-p)]?
- Prins
- · Replies 5 ·
State transformation - Position to momentum space (Dirac)
- AwesomeTrains
- · Replies 15 ·
How to derive kinetic energy equation for charged particles
- Proz3m0
- · Replies 2 ·
New Energy Levels for Degenerate Perturbation Theory
- ma18
- · Replies 3 ·
Two Connected Masses Swinging on Two Springs - Classic. Mech
- Hunter Bliss
- · Replies 1 ·
2D Phase portrait - Black hole?
- unscientific
- · Replies 2 ·
Ordinary and extraordinary refractive index
- skrat
- · Replies 3 ·
Discover the Lagrangian for 2D Vortices | Essential Homework Equations
- Alireza383
- · Replies 1 ·
Fraction of particles getting through?
- unscientific
- · Replies 19 ·
How much will the atmospheric carbon dioxide change?
- unscientific
- · Replies 8 ·
Energy gap between brillouin zones?
- unscientific
- · Replies 7 ·
Is the Variation of the Action Correct Under a Boost?
- spaghetti3451
- · Replies 1 ·