Advanced Physics Homework Help Forum

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

Dirac Delta Function (electrodynamics)

  • mateomy
  • · Replies 7 ·
Replies
7

Laplacian over a radial function for charge density

  • mateomy
  • · Replies 1 ·
Replies
1

Finding the Quantum States for a Nitrogen Atom

  • TChill
  • · Replies 1 ·
Replies
1

Proving an eigenfunction (EF) from Lx as combination of EF of Lz

  • sunrah
  • · Replies 6 ·
Replies
6

10 Oscillators & 8 Quanta of Energy, Dominant Configuration?

  • TChill
  • · Replies 4 ·
Replies
4

Computing a differential from plotted data

  • alex3
  • · Replies 3 ·
Replies
3

How Does Pressure Affect Volta Potential in Identical Metal Samples?

  • Gregg
  • · Replies 9 ·
Replies
9

Finding stress energy tensor of a rod under tension

  • demonelite123
  • · Replies 1 ·
Replies
1

What is the Polarization of the Reflected Beam?

  • H12504106
  • · Replies 1 ·
Replies
1

Recursion relation in the hydrogen atom

  • sunrah
  • · Replies 7 ·
Replies
7

What does Solve for the time dependence of mean?

  • wotanub
  • · Replies 7 ·
Replies
7

Quantum physics problem- Bra-Ket notation and operators

  • max_jammer
  • · Replies 3 ·
Replies
3

Relativistic collision in CM frame at small angle

  • Ai52487963
  • · Replies 3 ·
Replies
3

Electrostatics, force applied on a charge

  • fluidistic
  • · Replies 10 ·
Replies
10

Quantum Mechanics: Substitution and Coulomb Potential in Schrodinger Equation

  • spaghetti3451
  • · Replies 1 ·
Replies
1

Firmi-Dirac Stats. - Calculate number of microstates.

  • eric2921
  • · Replies 1 ·
Replies
1

Phase/Amplitude Resonance in Mirrors System

  • semc
  • · Replies 2 ·
Replies
2
Replies
1

Coulomb Energy Unit Conversion: MeV

  • atomicpedals
  • · Replies 3 ·
Replies
3

CLIMATE physics-general atmospheric circulation

  • helpcometk
  • · Replies 3 ·
Replies
3

How Do You Compute the Commutator [P^m, X^n]?

  • Don'tKnowMuch
  • · Replies 7 ·
Replies
7

How Does Angular Momentum Affect the Velocity of a Disc on a Frictionless Table?

  • spaghetti3451
  • · Replies 5 ·
Replies
5

Measuring inductance with Anderson's bridge

  • Silversonic
  • · Replies 2 ·
Replies
2

Lagrangian Density, Non Linear Schrodinger eq

  • dikmikkel
  • · Replies 1 ·
Replies
1

Radioactive Activity of a Gamma source

  • MWoot
  • · Replies 1 ·
Replies
1

Velocity phase space and energy diagrams

  • phys2
  • · Replies 1 ·
Replies
1

Notation regarding the dipole approximation

  • Niles
  • · Replies 2 ·
Replies
2
Replies
10

Kaon decay to a lepton and associated neutrino

  • Ai52487963
  • · Replies 4 ·
Replies
4

Calculation of momentum of relativistic particles

  • physicsblr
  • · Replies 2 ·
Replies
2

Scattering Cross-section Problems in Shankar 19.3.2 and 19.3.3?

  • Old Guy
  • · Replies 4 ·
Replies
4

Calculate Redshift & Luminosity Distance for Hubble's Law

  • helpcometk
  • · Replies 1 ·
Replies
1

Solution to II.2.8-II.2.10: Textbook Equations

  • Mechdude
  • · Replies 6 ·
Replies
6

Difference in potential between point charges

  • nobrainer612
  • · Replies 3 ·
Replies
3

Age of rocks calculation - I only need little help

  • wannie112
  • · Replies 6 ·
Replies
6

Calculate binding energy & compare to Electrostatic Repulsion

  • ZedCar
  • · Replies 2 ·
Replies
2

Intro Electromag Question - Wave Equation

  • Kyle91
  • · Replies 2 ·
Replies
2

What is the equation for the bulk modulus of a Fermi gas?

  • Jellybabe
  • · Replies 1 ·
Replies
1

Deriving Maxwell's Eqs from Conservation Laws: E&M Fields

  • Miviato
  • · Replies 2 ·
Replies
2

Reflection and Transmission Intensity of randomly polarised light

  • Anonymous00
  • · Replies 2 ·
Replies
2

Potential/Charge on Concentric Conducting Shells

  • blgeo
  • · Replies 2 ·
Replies
2
Replies
1

Force on Point Charge (B) in Conductor Cavity

  • sspitz
  • · Replies 4 ·
Replies
4
Replies
4

Why aren't u, c, and t quarks a mixture of mass eigenstates?

  • MarekS
  • · Replies 5 ·
Replies
5

Lunar Lander Formulas for Fuel / Masses

  • dtturner12
  • · Replies 1 ·
Replies
1

Dynamics of a particle in a potential U(x) = f|x|

  • Demon117
  • · Replies 2 ·
Replies
2

Fermions that can access 10 distinct energy states; Statistical Physics

  • matt_crouch
  • · Replies 3 ·
Replies
3

How Do You Calculate Currents in a Dual Transistor Circuit?

  • lazyaditya
  • · Replies 19 ·
Replies
19

Multi-electron eigenfunction problem

  • RIPCLB
  • · Replies 1 ·
Replies
1

Hysteresis losses in an inductor - resistance proportional to frequency?

  • Silversonic
  • · Replies 5 ·
Replies
5

Calculating eigenvalues and eigenvectors

  • James2012
  • · Replies 2 ·
Replies
2

Index Raising in Linearized General Relavitiy

  • alex3
  • · Replies 6 ·
Replies
6

What is the significance of elongation in pendulum systems?

  • wotanub
  • · Replies 2 ·
Replies
2

Infinite potential well energy question

  • phys2
  • · Replies 2 ·
Replies
2

Mechanics question involving spring and hookes law.

  • ly667
  • · Replies 1 ·
Replies
1

Quantum mechanics: Normalization and the width of distribution

  • Kentaxel
  • · Replies 2 ·
Replies
2

Two oscillating masses on springs in one dimension

  • 99wattr89
  • · Replies 16 ·
Replies
16

Solving a Coupled Oscillator Problem: A Puzzling Exercise

  • wotanub
  • · Replies 2 ·
Replies
2

Raising and Lowering Vectors/Tensors

  • ClaraOxford
  • · Replies 1 ·
Replies
1

What is the solution for the wave equation using u = cos(kx-wt)?

  • kiranm
  • · Replies 5 ·
Replies
5

Wave on a string meeting a boundary between areas of different densities

  • 99wattr89
  • · Replies 4 ·
Replies
4

How to Calculate RMS Magnetic Field Strength from Sunlight Power Density?

  • clayton26
  • · Replies 1 ·
Replies
1
Replies
8
Replies
5

How to Evaluate Power Ratio in Higher Order Hermite-Gaussian Beams?

  • semc
  • · Replies 2 ·
Replies
2

Calculate the kinetic energy of the proton

  • megkirch
  • · Replies 2 ·
Replies
2

Understanding Magnetic Moment in Uniform Magnetic Field

  • hangainlover
  • · Replies 1 ·
Replies
1

Total energy in a wire using energy densities

  • Jesssa
  • · Replies 7 ·
Replies
7

Dirac Notation: Am I doing this right?

  • jumbogala
  • · Replies 5 ·
Replies
5

Time Dependant Hamiltonian Jacob question

  • Liquidxlax
  • · Replies 1 ·
Replies
1

Free body diagram for a block on an incline

  • bobmarly12345
  • · Replies 3 ·
Replies
3

What Is the Velocity of the Piston in a Slider-Crank Mechanism?

  • bobmarly12345
  • · Replies 2 ·
Replies
2

Finding the flux of an electrix field

  • spaghetti3451
  • · Replies 1 ·
Replies
1

Energy of atoms in different levels

  • Noirchat
  • · Replies 4 ·
Replies
4

Steady-State Temperature Distribution of a circular disk

  • rhouli67
  • · Replies 4 ·
Replies
4

Inertia of body that is oriented at some angle from axis of rotation

  • xeltius
  • · Replies 1 ·
Replies
1

Generating function, hamiltonian dynamics

  • devd
  • · Replies 2 ·
Replies
2

Local Minimum of Potential Function of Spherical Pendulum

  • ovidiupetre
  • · Replies 9 ·
Replies
9

Bead sliding on a rigid straight wire

  • Favicon
  • · Replies 4 ·
Replies
4

Potential well with inner step, perturbation theory

  • physicsjock
  • · Replies 6 ·
Replies
6

Charge density for a disk moving at constant velocity

  • Albereo
  • · Replies 2 ·
Replies
2

Moment of Inertia of an Infinite Rod with Non-Uniform Density?

  • chromium1387
  • · Replies 6 ·
Replies
6

Equipartion Theorem rotation question

  • IDumb
  • · Replies 1 ·
Replies
1

To find the expectation value of momentum

  • johnny1
  • · Replies 1 ·
Replies
1

4-momentum of particles in lab and CM frame

  • MarekS
  • · Replies 1 ·
Replies
1

Sketch in Cylindrical Coordinates for z=6

  • ZedCar
  • · Replies 2 ·
Replies
2

How Can Phonons, Einstein & Debye Models Explain the Dulong-Petit Law?

  • Sekonda
  • · Replies 4 ·
Replies
4

Special Relativity length contraction and velocity

  • Eruestan
  • · Replies 14 ·
Replies
14

Fourier Equations Homework Solutions

  • Invyz
  • · Replies 1 ·
Replies
1

Solve Fourier Transform Homework: Find Variance & Covariance

  • peter.a
  • · Replies 2 ·
Replies
2

Motion equation for harmonic oscillator

  • phys2
  • · Replies 10 ·
Replies
10

E ffective relativistic degrees of freedom of the early universe

  • helpcometk
  • · Replies 1 ·
Replies
1

Radioactive Dating, calculating age?

  • boltonfan
  • · Replies 1 ·
Replies
1

Electron Cloud described by a Gaussian distribution

  • MrBeano
  • · Replies 1 ·
Replies
1

Euler-Lagrange Equations and Derivatives

  • EoinBrennan
  • · Replies 5 ·
Replies
5

Rolling distance of a marble with known launch speed and static friction

  • smalveh
  • · Replies 1 ·
Replies
1

What is the time tR for a cylinder to transition to pure rolling motion?

  • WookieKx
  • · Replies 6 ·
Replies
6

Observable and Operators - Obtain an expression

  • vmr101
  • · Replies 1 ·
Replies
1
Replies
2