Advanced Physics Homework Help Forum

Post thread
Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.
A particle with spin 1/2 in a potential well
  • kisdrA
  • · Replies 5 ·
Replies
5
Energy Density Notation Confusion
  • laser1
  • · Replies 10 ·
Replies
10
General Relativity, Wald, exercise 4b chapter 2
  • Unconscious
  • · Replies 5 ·
Replies
5
Minimizing the energy required to break a cylinder of fluid into droplets
  • happyparticle
  • · Replies 9 ·
Replies
9
Heat transfer: Temperature distribution inside a sphere submerged in a fluid
  • happyparticle
  • · Replies 13 ·
Replies
13
Relativistic effect of a free particle
  • Lambda96
  • · Replies 15 ·
Replies
15
Maxwell's Equations: How E and B Fields Interact
  • MatinSAR
  • · Replies 6 ·
Replies
6
Skin effect -- Calculate the electric field
  • Lambda96
  • · Replies 8 ·
Replies
8
Covariant derivative acting on Dirac delta function in curved space
  • haj
  • · Replies 0 ·
Replies
0
Lancaster&Blundell "QFT Gifted Amateur" Wick theorem on Fermion Ground State
  • pines-demon
  • · Replies 0 ·
Replies
0
Calculate the Electric and Magnetic field for this Multipole Radiation
  • Lambda96
  • · Replies 19 ·
Replies
19
Thermodynamics: deriving expression for S = S(T, V, N) - constant problems
  • laser1
  • · Replies 19 ·
Replies
19
Model a ball in a moving circular bowl using Cartesian coordinates
  • joey_ra
  • · Replies 24 ·
Replies
24
Variation of quadratic Riemann Curvature tensor
  • Qatawna blitz
  • · Replies 7 ·
Replies
7
Poynting’s theorem -- Check the relation of the energy balance
  • Lambda96
  • · Replies 8 ·
Replies
8
Compton Scattering: detector is 60 degrees from the symmetry axis
  • Graham87
  • · Replies 14 ·
Replies
14
Thermal conductance of an angular section of a disc
  • BrenoVA
  • · Replies 4 ·
Replies
4
Calculate E and B fields when given A
  • Lambda96
  • · Replies 5 ·
Replies
5
Compute the canonical momentum
  • Lambda96
  • · Replies 2 ·
Replies
2
Thermodynamics - How to find an "adiabat"?
  • Javier0289
  • · Replies 7 ·
Replies
7
Magnetism, difference between B, H and M
  • lys04
  • · Replies 2 ·
Replies
2
Find thermodynamic generalized force
  • damarkk
  • · Replies 1 ·
Replies
1
Multipole Expansion: Show that the quadrupole moment is symmetric and that the trace vanished
  • Lambda96
  • · Replies 10 ·
Replies
10
Thermal Physics Kittel chapter 6 -- Entropy of mixing problem
  • bluepilotg-2_07
  • · Replies 1 ·
Replies
1
Heat flux through a material with variable heat conductance
  • shivamchouhan5077
  • · Replies 2 ·
Replies
2
Potential function of a flow around a stagnation point
  • happyparticle
  • · Replies 19 ·
Replies
19
Statistical physics - does total energy matter, or only differences?
  • laser1
  • · Replies 6 ·
Replies
6
Electric field of an infinitely long wire with radius R
  • Lambda96
  • · Replies 5 ·
Replies
5
Ionizing Radiation Interaction with Matter
  • Graham87
  • · Replies 0 ·
Replies
0
Electron Bands in 2D Semiconductor
  • StochasticHarmonic
  • · Replies 0 ·
Replies
0
Why entropy change is different
  • laser1
  • · Replies 3 ·
Replies
3
Free expansion of Real Gases - Dieterici EoS, Change in Temperature
  • curious_mind
  • · Replies 30 ·
2
Replies
30
Boundary conditions for magnetic fields
  • lys04
  • · Replies 17 ·
Replies
17
Maximum exhaust velocity for a De Laval nozzle
  • happyparticle
  • · Replies 1 ·
Replies
1
Rotation of the stress tensor
  • happyparticle
  • · Replies 8 ·
Replies
8
LRC equation using Poynting theorem and conservation laws
  • emeriska
  • · Replies 3 ·
Replies
3
Nonlinear dynamics problem from Strogatz textbook
  • Star01111
  • · Replies 3 ·
Replies
3
Problem with dimensionless quantities in an equation requiring M^2 (Super Hamiltonian Formulation for Geodesic Motion)
  • TerryW
  • · Replies 35 ·
2
Replies
35
Find Relativistic Momentum Equation for a Moving Reference Frame?
  • Ascendant0
  • · Replies 13 ·
Replies
13
Prove v<c for particles with m>0 using two identities
  • Ascendant0
  • · Replies 8 ·
Replies
8
How do you find the probabilities for an anharmonic quantum oscillator state?
  • damarkk
  • · Replies 1 ·
Replies
1
Quantum Harmonic Oscillator, what is #E_0#?
  • damarkk
  • · Replies 5 ·
Replies
5
Hydrogen Atom in an electric field along ##z##
  • damarkk
  • · Replies 0 ·
Replies
0
Different forms of fluid energy conservation equations
  • happyparticle
  • · Replies 32 ·
2
Replies
32
Measurement of Angles and Lengths With Length Contraction
  • Ascendant0
  • · Replies 11 ·
Replies
11
Lorentz Transformation For Moving Particles
  • Ascendant0
  • · Replies 1 ·
Replies
1
Work done to construct Dielectric Sphere with Offset Hollow Cavity?
  • TwoAyoyoprogrammer
  • · Replies 1 ·
Replies
1
Thermodynamics: Possible process between a van der Waals gas and an ideal gas
  • runinfang
  • · Replies 1 ·
Replies
1
Electric sinusoidal field on a hydrogen atom - Quantum Mechanics
  • damarkk
  • · Replies 3 ·
Replies
3
Problem with KE and work equation (perfect rocket in space example)
  • Jrs580
  • · Replies 3 ·
Replies
3
QM time independent perturbation theory
  • Marco99
  • · Replies 1 ·
Replies
1
Is My Approach to the Gaussian Wave Packet Problem Professional?
  • BlondEgg
  • · Replies 1 ·
Replies
1
Heat capacity from dispersion relation
  • dark_matter_is_neat
  • · Replies 1 ·
Replies
1
Variational symmetries for the Emden-Fowler equation
  • giraffe714
  • · Replies 3 ·
Replies
3
Why does my general solution for a double pendulum have three unknowns?
  • zenterix
  • · Replies 2 ·
Replies
2
Trouble finding ##L^2## in function of ##x## and ##p##
  • pixyl
  • · Replies 2 ·
Replies
2
Fluid mechanics: Euler's equation derivation
  • happyparticle
  • · Replies 26 ·
Replies
26
What are the approximations used in these equations of motion for two coupled oscillators?
  • zenterix
  • · Replies 5 ·
Replies
5
Why does this method of solving a system of 2nd order differential equations not work?
  • zenterix
  • · Replies 13 ·
Replies
13
Understanding solution to equations of motion of n coupled oscillators
  • zenterix
  • · Replies 4 ·
Replies
4
How to transform Electromagnetic fields for Lorentz Boost in arbitrary direction?
  • Lusypher
  • · Replies 2 ·
Replies
2
Magnetic field in and around a conductive hollow cylinder
  • phys9928
  • · Replies 2 ·
Replies
2
First order linearized Euler's equation for a small perturbation
  • happyparticle
  • · Replies 7 ·
Replies
7
From fluid energy conservation equation to the continuity equation
  • happyparticle
  • · Replies 5 ·
Replies
5
Probability distribution of outgoing energy of particle
  • dark_matter_is_neat
  • · Replies 1 ·
Replies
1
Determine the value of r1 and E for given wavefunction of hydrogen
  • dark_matter_is_neat
  • · Replies 5 ·
Replies
5
Separation of Variables to Laplace's Equation in Electrostatics
  • chaos333
  • · Replies 1 ·
Replies
1
Most Probable energy after infinite square well expands
  • dark_matter_is_neat
  • · Replies 2 ·
Replies
2
A body at rest in Doran and Boyer-Lindquist coordinates
  • JimWhoKnew
  • · Replies 46 ·
2
Replies
46
Critical distance value for attractive force
  • chaos333
  • · Replies 11 ·
Replies
11
Should Incidents in PET Scan Protocol Include a Dimension?
  • Lambda96
  • · Replies 8 ·
Replies
8
How to turn partition sum into an integral?
  • LightPhoton
  • · Replies 1 ·
Replies
1
Probability distributions for Maxwell-Boltzmann, B-E, F-D
  • george743
  • · Replies 2 ·
Replies
2
Find the possible outcomes of ]##L^2## and ##L_{z}##
  • keyzan
  • · Replies 21 ·
Replies
21
Dynamic Equations of the ADM Formalism
  • TerryW
  • · Replies 1 ·
Replies
1
Probability of the outcomes of ##J^2## and ##J_{z}##?
  • keyzan
  • · Replies 4 ·
Replies
4
Lagrange method problem: Multiple Spring-Mass System
  • Motorbiker
  • · Replies 22 ·
Replies
22
Evaluation of an experiment: PET scans of a small source along the x-axis
  • Lambda96
  • · Replies 3 ·
Replies
3
Path of a free particle over a sphere
  • gordunox
  • · Replies 9 ·
Replies
9
Use relativity and the Larmor formula to calculate Lienard's formula
  • unified
  • · Replies 2 ·
Replies
2
Is My Solution to the Driven Spring Problem Correct?
  • member 731016
  • · Replies 1 ·
Replies
1
An m-qubit state, inferring some inequality in QIT
  • billtodd
  • · Replies 0 ·
Replies
0
Spring pendulum Lagrangian has any ignorable coordinates?
  • lys04
  • · Replies 5 ·
Replies
5
Extrinsic curvature of Kerr-Schild using ADM equations
  • ergospherical
  • · Replies 6 ·
Replies
6
Consider the hypothetical decay of the Φ(1020) meson into 3 pions
  • manfromearth
  • · Replies 4 ·
Replies
4
Operator algebra: Hermicity and Eigenstates
  • physicsxanime
  • · Replies 12 ·
Replies
12
Wavefunction of a space and spin rotated state
  • NiRK20
  • · Replies 1 ·
Replies
1
Derive surface brightness formula
  • Zapped17
  • · Replies 0 ·
Replies
0
Numerical Solution to Schrodinger Equation w/ Coulomb Potential
  • Tertius
  • · Replies 1 ·
Replies
1
Boundary condition for a flow past a spherical obstacle
  • happyparticle
  • · Replies 12 ·
Replies
12
Harmonic potential exercise with perturbation theory
  • keyzan
  • · Replies 2 ·
Replies
2
Show that radial worldlines with u = const are outgoing null rays
  • so_gr_lo
  • · Replies 1 ·
Replies
1
Statistical physics: Microcanonical distribution and oscillators
  • Marcustryi
  • · Replies 1 ·
Replies
1
Enthalpy derivation differential equation
  • Mardonio
  • · Replies 1 ·
Replies
1
Electron moving in an electromagnetic field and rotation operator
  • NiRK20
  • · Replies 0 ·
Replies
0
Determining the energy radiated by gravitational waves in a simple system
  • rcatalang
  • · Replies 1 ·
Replies
1
Find the field inside and outside a spherical geometry
  • Nitacii
  • · Replies 2 ·
Replies
2
Big Bang Nucleosynthesis; electron-photon ratio
  • ergospherical
  • · Replies 0 ·
Replies
0
Constraint force using Lagrangian Multipliers
  • deuteron
  • · Replies 6 ·
Replies
6
Transformations with the Mukhanov variable (Cosmology)
  • ergospherical
  • · Replies 3 ·
Replies
3