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
Uniformly magnetized sphere, calculate force between the hemispheres
- fluidistic
- · Replies 1 ·
Calculating proton decay lifetime correctly?
- Anchovy
- · Replies 5 ·
Checking derivation of the curvature tensor
- peter46464
- · Replies 1 ·
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 ·
Proving the product rule for inner product time derivatives
- 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 ·
TE and TM modes in coaxial waveguide with dielectric
- 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 ·
Horizon distance, inflation size, and CMB causality
- 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 ·
Deriving the MSSM Higgs minimization conditions (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 ·
Particle reflection off a moving wall in special relativity
- 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 ·
Path integral perturbation theory for excited state energy shifts
- 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 ·
Stability of implicit parabolic PDE solver with sources and sinks
- ognik
- · Replies 6 ·
Normalizing ψ = e^(-|x|) sin(αx)
- 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 ·
How do you find the Lagrangian for 2D vortices?
- Alireza383
- · Replies 1 ·
Fraction of particles getting through?
- unscientific
- · Replies 19 ·