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
Why Does the Entropy Formula for a Fermionic Gas Include a Degeneracy Factor?
- Kara386
- · Replies 2 ·
Electrostatic polarization of an axially symmetric conductor
- Diane Wilbor
- · Replies 8 ·
Electron to Stationary Proton Collision
- PatrickStar
- · Replies 2 ·
Lagrangian of System: K.E.=0, V=-mgl
- Molar
- · Replies 5 ·
Generalized force and the Lagrangian
- Hiranya Pasan
- · Replies 3 ·
Proving a thermodynamic relationship
- Potatochip911
- · Replies 4 ·
Internal Energy of Degenerate Fermi ideal gas to the 4th power
- Othin
- · Replies 7 ·
Electron and Nuclear spin interaction
- MMS
- · Replies 18 ·
Sakurai - Modern Quantum Mechanics - page 34, equation (1.4.49)
- omoplata
- · Replies 13 ·
Charge densities and delta functions
- spaghetti3451
- · Replies 16 ·
Recombination Lines - Astrophysics
- BOAS
- · Replies 3 ·
Finding range of bound/non bound state energies of 1D finite
- MxwllsPersuasns
- · Replies 3 ·
What is the pressure exerted by an electron gas in white dwarf stars?
- BRN
- · Replies 9 ·
QFT Wicks theorem contraction -- different fields terms of propagation
- binbagsss
- · Replies 5 ·
Different formulations of the covariant EM Lagrangian
- Gan_HOPE326
- · Replies 6 ·
HCl vibrational spectrum splitting from Cl-35 and Cl-37 isotopes
- carllacan
- · Replies 5 ·
Covariant Derivatives (1st, 2nd) of a Scalar Field
- rezkyputra
- · Replies 3 ·
Density matrix of spin 1 system
- Dishsoap
- · Replies 1 ·
Normalization of the Angular Momentum Ladder Operator
- PatsyTy
- · Replies 2 ·
Canonical Transformation (two degrees of freedom)
- sayebms
- · Replies 3 ·
Density of states for dispersion relation ε(k) = ak^(3/2) in 3D
- Kara386
- · Replies 1 ·
Near-resonant excitation of a two-level system
- krootox217
- · Replies 2 ·
How does Fermi velocity compare between two metals with different energy bands?
- Josh1079
- · Replies 1 ·
Multipole expansion of a line charge distribution
- JulienB
- · Replies 7 ·
[PoM] Lennard-Jones potential parameters
- BRN
- · Replies 5 ·
Solving for A in a Simple Cubic Lattice
- Josh1079
- · Replies 4 ·
How did Griffith check Stoke's theorem in this case?
- garylau
- · Replies 7 ·
Bound state of 3-dimensional Dirac well
- anlon
- · Replies 12 ·
Gauge symmetry for massless Klein-Gordon field
- Plaetean
- · Replies 1 ·
Force between 2 parallel magnetic dipole moments
- 1v1Dota2RightMeow
- · Replies 1 ·
Efficiency of Carnot engine assisting applied emf
- bjnartowt
- · Replies 1 ·
Probability wave function is still in ground state after imparting momentum
- xoxomae
- · Replies 5 ·
What Are the Wavelengths of Stokes and Anti-Stokes Lines for SF6?
- JeremyC
- · Replies 3 ·
What is the maximum energy of the Λ particle after the Σ0 baryon decay?
- ElectricEel1
- · Replies 31 ·
Multipole Expansion of a Thin Rod: How to Derive the Potential?
- sitkican
- · Replies 2 ·
QFT for the Gifted Amateur Exercise 17.1
- 43arcsec
- · Replies 2 ·
Explain how the energy diagrams for H and Na differ
- Poirot
- · Replies 5 ·
Why can't I use this equation for the magnetic field?
- 1v1Dota2RightMeow
- · Replies 3 ·
Quantum Mechanics degeneracies in 3d potential
- Slightly
- · Replies 1 ·
Wave function (schrodinger equation)
- asdf12312
- · Replies 1 ·
How to find expectation value for combined state?
- anlon
- · Replies 11 ·
The kinetic energy of the electrons outside the FBZ
- HenryWhu
- · Replies 1 ·
Validity of the sudden approximation
- spaghetti3451
- · Replies 1 ·
Time Inversion Symmetry and Angular Momentum
- Yoni V
- · Replies 1 ·
Solving potential of electron inside the nucleus
- haseeb
- · Replies 5 ·
Find the probability of measuring a particle's energy E
- Leechie
- · Replies 2 ·
Number of microstates in multi-particle system
- Kara386
- · Replies 2 ·
Implement the formula -x(i-1) + 2x(i) -x(I+1) in Matlab
- Firben
- · Replies 7 ·
Problems related to Maxwell relations
- Mayan Fung
- · Replies 3 ·
Orthonormality and the Stark Effect
- BOAS
- · Replies 2 ·
Age of universe at matter-radiation equality
- ChrisJ
- · Replies 14 ·
Time kept by accelerated extended (non-ideal) "light-clock"
- TubbaBlubba
- · Replies 6 ·
Proving Vector Potential Pump Amplitude-Intensity Relationship
- cetmoimonsieur
- · Replies 1 ·
How do I determine whether this metric is flat or not?
- joshyp93
- · Replies 5 ·
Asking for hints to Goldstein chapter 7, problem 9
- qinglong.1397
- · Replies 2 ·
Particle movement in inhomogeneous magnetic field
- Dishsoap
- · Replies 3 ·
Lagrangian of two masses connected by a pulley on inclined p
- Elvis 123456789
- · Replies 2 ·
Equations of motion
- gtk
- · Replies 1 ·
Calculate the probability that a measure on S_y yields h/2
- QFT25
- · Replies 3 ·
Calculating proper time falling toward a black hole
- joshyp93
- · Replies 1 ·
Kinetic energy of the hydrogen atom in its ground state
- Christofferk
- · Replies 22 ·
Thermodynamic Adiabats: Solving U=aP^2V
- Joe Cool
- · Replies 3 ·
How to calculate velocity from the attraction of two charges
- General Scientist
- · Replies 14 ·
Finding the magnetic field of a loop at far distances
- 1v1Dota2RightMeow
- · Replies 1 ·
Given its branching fractions how many Higgs can be detected
- Kara386
- · Replies 8 ·
How is the Wave Function u(r) = Asin(kr) Normalized?
- 1v1Dota2RightMeow
- · Replies 11 ·
How Many Higgs Bosons Are Produced in an 8-Hour LHC Run?
- Kara386
- · Replies 2 ·
How Can Maxwell's Relations Be Applied to Thermodynamic Equations?
- Dewgale
- · Replies 2 ·
Find most likely values of L, S, J for barium
- Kara386
- · Replies 2 ·
Physics Magnetism - Wire Carrying Current in a Loop
- KSNphysics
- · Replies 1 ·
Entropy of Diffusion: Delta Initial Condition
- simoncks
- · Replies 3 ·
Muon decay in flight - distribution of distance
- Vrbic
- · Replies 17 ·
How Does a Silicon Steel Core Affect a Solenoid's Magnetic Field?
- physstudent1
- · Replies 1 ·
What is the Fraction of Energy Lost by an Electron in Elastic Scattering?
- Poirot
- · Replies 3 ·
Solving for Image Charges in Dielectrics
- Andy123
- · Replies 1 ·
Possible Values of J & Linearly Independent States
- Dishsoap
- · Replies 3 ·
Object sliding on inclined plane whose angle increases
- Incand
- · Replies 2 ·
Lowering indices in the electromagnetic tensor F^(γδ)
- lonewolf219
- · Replies 1 ·
Find an expression for the attenuation from the eqn given
- BadPhysicistAtWork
- · Replies 2 ·
Griffiths 2.1(b): linear combinations of energy eigenstates
- Tspirit
- · Replies 6 ·
Variational Method and Bound States
- Einj
- · Replies 1 ·
Vector potential from magnetic field
- spaghetti3451
- · Replies 6 ·
How to find the Piola-Kirchhoff stress tensor
- honululu
- · Replies 1 ·
Limiting case for an angle in an equation
- Xsnac
- · Replies 3 ·
Maximum kinetic energy of a Pion produced via a kaon decay
- james walshe
- · Replies 6 ·
Why does this system have zero potential energy and only one degree of freedom?
- sayf alawneh
- · Replies 2 ·
What Is the Largest Pressure Measurable by a 70cm Water Column Manometer?
- Iooz
- · Replies 8 ·
Deriving potential energy of an electron inside a nucleus
- mafisco
- · Replies 5 ·
Mechanism For Oscillation of Cylinder
- FallenApple
- · Replies 3 ·
Momentum and Position Operator Commutator Levi Civita Form
- PatsyTy
- · Replies 2 ·
Find the shortest path between two points in polar coordinates
- mataleo
- · Replies 4 ·
Equations of motion for vector field in Lorenz gauge
- slothwayne
- · Replies 1 ·
Finding chemical potential with given thermodynamic relation
- Mayan Fung
- · Replies 2 ·
Real Scalar Field, Hamiltonian, Conjugate Momentum
- binbagsss
- · Replies 2 ·
Real scalar field , Action, variation, deriving EoM
- binbagsss
- · Replies 4 ·
Conservation of Momentum Fluids Question
- member 428835
- · Replies 37 ·
What Are the Commutation Relations of \( \hat{R}^2 \) with \( \hat{L} \)?
- spacetimedude
- · Replies 1 ·
Symmetric square well, wavefunction is weird
- StarWombat
- · Replies 1 ·
Estimate the E-field required to ionize Hydrogen
- Poirot
- · Replies 1 ·
Perturbed Hamiltonian Matrix for Quantum Harmonic Oscillator
- Luke1121
- · Replies 1 ·