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.
  • Sticky
Hey I posted in homework help but now it's gone
  • Mark44
  • · Replies 0 ·
Replies
0
  • Sticky
Homework Help Guidelines for Students and Helpers
  • vela
  • · Replies 1 ·
Replies
1
Landau, volume 1, chapter 1, problem 4: Lagrangian of a somewhat complex system
  • Rick16
  • · Replies 3 ·
Replies
3
Electrostatics - given V, find rho and Q
  • Rick16
  • · Replies 12 ·
Replies
12
Thermodynamics of capacitor filled with a linear ideal gas dielectric
  • frmn
  • · Replies 8 ·
Replies
8
Modeling a graph that shows age in relation to depth of an ice sample
  • hey123
  • · Replies 6 ·
Replies
6
Calculating Dipole Moment In 3s To 2p Hydrogen Transition
  • flyusx
  • · Replies 5 ·
Replies
5
Some work on MTW Figure 25.7
  • TerryW
  • · Replies 8 ·
Replies
8
Spatial Perturbative Hamiltonians In Systems of Identical Particles
  • flyusx
  • · Replies 2 ·
Replies
2
Minimizing angular momentum uncertainties
  • mrbetadine
  • · Replies 4 ·
Replies
4
A rocket and the Coriolis acceleration
  • brotherbobby
  • · Replies 25 ·
Replies
25
Missile with Coriolis force, air resistance and variable gravity
  • aldom
  • · Replies 3 ·
Replies
3
Eigenvalues of a "unusual" Hamiltonian of a harmonic oscillator
  • laser1
  • · Replies 7 ·
Replies
7
Help needed with Polarisation (Rotated Waveplates)
  • catedral3000
  • · Replies 8 ·
Replies
8
Help needed with Elliptic Integrals
  • TerryW
  • · Replies 12 ·
Replies
12
Product of two boosts and then two inverse boosts is rotation matrix
  • Kick-Stand
  • · Replies 13 ·
Replies
13
Help with derivation of electric field of a moving charge
  • GilSE
  • · Replies 5 ·
Replies
5
Conducting Sphere and Dipole Problem
  • jojosg
  • · Replies 5 ·
Replies
5
Help with Time-Independent Perturbation Theory "Good" States Proof
  • AT_saavedra
  • · Replies 4 ·
Replies
4
Direction of the magnetic field of an oscillating charge
  • MadManMax
  • · Replies 1 ·
Replies
1
Please tell me where I am going wrong in this integral
  • bluepilotg-2_07
  • · Replies 2 ·
Replies
2
Number of quantum accessible states of a particle given T, N?
  • damarkk
  • · Replies 1 ·
Replies
1
Initial conditions for orbits around a wormhole
  • happyparticle
  • · Replies 4 ·
Replies
4
How to move from the space of moments to the space of energies?
  • damarkk
  • · Replies 4 ·
Replies
4
Confusion In Writing Identical Particle Wavefunctions
  • flyusx
  • · Replies 12 ·
Replies
12
Griffiths' Quantum Mechanics Problem 4.27 : Diatomic particles
  • hmparticle9
  • · Replies 46 ·
2
Replies
46
Calculating ##\langle zHz \rangle## in different ways
  • hmparticle9
  • · Replies 8 ·
Replies
8
Calculating <r> from <x> with no further calculation
  • hmparticle9
  • · Replies 18 ·
Replies
18
Is it possible to simplify this Atwood machine problem?
  • linusjak
  • · Replies 2 ·
Replies
2
Need help understanding this figure on energy levels
  • hmparticle9
  • · Replies 6 ·
Replies
6
Understanding how to "tack on" the time wiggle factor
  • hmparticle9
  • · Replies 8 ·
Replies
8
How do I solve the 3D magnetic field of a Halbach Rotor?
  • Fieldly
  • · Replies 1 ·
Replies
1
Sequential measurements in quantum mechanics
  • hmparticle9
  • · Replies 27 ·
Replies
27
Potential difference defined in non-conservative electric field
  • Silver2007
  • · Replies 12 ·
Replies
12
Discrepancies In Clebsch–Gordan Calculations (Dipole Transitions)
  • flyusx
  • · Replies 0 ·
Replies
0
Electric field of a neutral conductor just at the surface
  • f3sicA_A
  • · Replies 4 ·
Replies
4
Scattering for the finite square well
  • hmparticle9
  • · Replies 9 ·
Replies
9
Simplifying terms of Ricci tensor
  • Safinaz
  • · Replies 1 ·
Replies
1
E<V Potential Step Confusion
  • flyusx
  • · Replies 7 ·
Replies
7
Checking that a given potential has a ground state
  • hmparticle9
  • · Replies 4 ·
Replies
4
X-ray diffraction analysis. Ewald's Construction
  • Vasil7088
  • · Replies 1 ·
Replies
1
Understanding the double square well potential
  • hmparticle9
  • · Replies 16 ·
Replies
16
MTW Ex 25.20 - Dynamic Phase Diagram
  • TerryW
  • · Replies 22 ·
Replies
22
Relativistic electrodynamics: transformation of electric dipole moment
  • lys04
  • · Replies 10 ·
Replies
10
Trajectory of a particle in polar coordinates
  • whatever itis
  • · Replies 18 ·
Replies
18
How to obtain these equations in 'Spinors in Physics' by J Hladik?
  • grzz
  • · Replies 7 ·
Replies
7
Plane Wave Reflection from a Media Interface (Good Conductor)
  • baby_1
  • · Replies 0 ·
Replies
0
Help understanding modal projection in PDE with assumed solution form
  • Like Tony Stark
  • · Replies 4 ·
Replies
4
Derivation of the acceleration in the Eddington-Finkelstein Metric
  • happyparticle
  • · Replies 11 ·
Replies
11
Help to convert units of a simple formula
  • Safinaz
  • · Replies 1 ·
Replies
1
Quantum Negative Value For <p^2>
  • laser1
  • · Replies 8 ·
Replies
8
Quantum: Spherical Harmonics Not Including r^2 term?
  • laser1
  • · Replies 7 ·
Replies
7
Quantum Tunelling Problem with Boundary Conditions
  • fissile_uranium
  • · Replies 3 ·
Replies
3
Free fall from rest at a particular radius to the central singularity
  • happyparticle
  • · Replies 1 ·
Replies
1
Finding Energies For 1D Potential
  • flyusx
  • · Replies 20 ·
Replies
20
Wave Function for a Particle in a Symmetric Infinite Square Well
  • MatinSAR
  • · Replies 7 ·
Replies
7
Degeneracy and non degeneracy in quantum mechanics
  • MatinSAR
  • · Replies 2 ·
Replies
2
Magnetic field of a semi infinite sheet of current
  • lys04
  • · Replies 3 ·
Replies
3
Why is the expectation value of momentum negative? (QM)
  • laser1
  • · Replies 4 ·
Replies
4
Deriving Maxwell's equation from Poynting Theorem
  • Rob2024
  • · Replies 12 ·
Replies
12
Image Theory for an Electric Dipole
  • stateissuedrx78
  • · Replies 14 ·
Replies
14
Method of images: region of interest
  • lys04
  • · Replies 5 ·
Replies
5
Question about quantum state distinguishability
  • physicslover123
  • · Replies 4 ·
Replies
4
Magnetic Field of Uniformly Magnetized Infinite Slab
  • sammydafish
  • · Replies 6 ·
Replies
6
Discontinuity of normal component of E field crossing boundary
  • lys04
  • · Replies 12 ·
Replies
12
Equilibrium arrangement angle of 4 charges in a square
  • mik2334
  • · Replies 2 ·
Replies
2
Action variables in a non inertial system
  • l4teLearner
  • · Replies 10 ·
Replies
10
Loop integral computation
  • metricspace
  • · Replies 2 ·
Replies
2
Computing dipole moment from charge density
  • laser1
  • · Replies 7 ·
Replies
7
Geometric progression with exponential function?
  • decahal
  • · Replies 7 ·
Replies
7
Why is the electric force the negative of the position derivative of EPE?
  • lys04
  • · Replies 5 ·
Replies
5
Volume of a black hole using the Schwarzschild metric
  • happyparticle
  • · Replies 34 ·
2
Replies
34
Microcanonical solution for three level system with (0, ε, ε)?
  • decahal
  • · Replies 1 ·
Replies
1
Continuity equation conservation in a region S and local conservation
  • lys04
  • · Replies 3 ·
Replies
3
Electrodynamics: Dirac Delta function and Gauss' divergence theorem
  • lys04
  • · Replies 6 ·
Replies
6
How do you find the temperature of an HII region?
  • Danielk010
  • · Replies 0 ·
Replies
0
Quantum computing, partial trace
  • emdez
  • · Replies 1 ·
Replies
1
Physical explanation of energy shift in Heisenberg term in t-J model
  • randomquestion
  • · Replies 3 ·
Replies
3
Einstein's heat capacity equation
  • Brito
  • · Replies 1 ·
Replies
1
Peskin and Schroeder problem 3.5(a): Figuring out the cancellation
  • Adgorn
  • · Replies 2 ·
Replies
2
Euler-Lagrange equation in Optimal Control book by Kirk
  • mad mathematician
  • · Replies 7 ·
Replies
7
Particle physics: calculating the phase space factor for pion to muon decay
  • ncs22
  • · Replies 3 ·
Replies
3
Zeeman splitting of Balmer alpha lines under 1.5T
  • ic1454
  • · Replies 4 ·
Replies
4
Deep Inelastic Scattering
  • Nasa
  • · Replies 3 ·
Replies
3
Canonical Partition function for 2 Fermions with two energy levels
  • PhysicsRock
  • · Replies 9 ·
Replies
9
Reverse engineering formulas for directing a plane wave
  • yefj
  • · Replies 5 ·
Replies
5
Derivation of energy and angular momentum (Schwarzschild metric)
  • Lambda96
  • · Replies 3 ·
Replies
3
Proper time in moving frame of reference
  • happyparticle
  • · Replies 5 ·
Replies
5
Mathematical model of a two wheel drive tractor using Lagrange mechanics
  • faisalmatar
  • · Replies 11 ·
Replies
11
Understanding the Poynting Theorem
  • MatinSAR
  • · Replies 5 ·
Replies
5
Show that the Laplace operator is Hermitian
  • Lambda96
  • · Replies 7 ·
Replies
7
Show that the energy-momentum tensor has the following matrix structure
  • Lambda96
  • · Replies 7 ·
Replies
7
Force to move a catenary curve
  • Smilan
  • · Replies 2 ·
Replies
2
Derive and Solve the Lane-Emden Equation for a Polytropic Gas Sphere
  • MatinSAR
  • · Replies 6 ·
Replies
6
Eigenenergy of triangular molecule
  • physicsxanime
  • · Replies 3 ·
Replies
3
Schrodinger equation in position representation
  • MatinSAR
  • · Replies 6 ·
Replies
6
Formation of quarks in Feynman diagrams
  • Sidsid
  • · Replies 7 ·
Replies
7
Electric field for a spherical shell when r=R?
  • laser1
  • · Replies 20 ·
Replies
20
Sakurai 3.21, Cartesian eigenbasis representation
  • Silicon-Based
  • · Replies 6 ·
Replies
6
Bifilar Pendulum w/ off-centred CM, need verification for derived eq.
  • ChessGM
  • · Replies 1 ·
Replies
1
Derive the relationship between Ricci scalar and Gauss Curvature
  • jag
  • · Replies 12 ·
Replies
12
Plotting polarization of EM waves in Matlab
  • yefj
  • · Replies 1 ·
Replies
1