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

A question is physics (electricity)

  • s21288
  • · Replies 3 ·
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3

Arrangement of Charges: Solving Homework Problems

  • unscientific
  • · Replies 1 ·
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1

Are These Hermitian Conjugates Also Hermitian Operators?

  • xicor
  • · Replies 4 ·
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4

Prove that Planck function increases with temperature

  • ck99
  • · Replies 2 ·
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2

Group/Phase velocity - amplitude, frequency, velocity

  • tquiva
  • · Replies 1 ·
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1

Direct Proof of Div, Grad, and Curl Operator Identities

  • unscientific
  • · Replies 1 ·
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1

Griffiths example no. 5.11 w×r switch from cartesian to spherical

  • sudipmaity
  • · Replies 1 ·
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1

Magnetic Moment of a Charged, Rotating Sphere Problem

  • San1405
  • · Replies 5 ·
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5

Conserved quantity for a particle in Magnetic Field

  • Siberion
  • · Replies 2 ·
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2

Unsteady Fluid Flow: Incompressible and Stream Function Calculation

  • ra_forever8
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1
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5
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3

Passage regarding vector and scalar waves

  • Syrus
  • · Replies 3 ·
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3

Quick question about current density

  • hahaha158
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1

Static situations and electric fields - special relativity

  • varth
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1

Time evolution of a particle in an ISW after the well

  • Ratpigeon
  • · Replies 1 ·
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1

How does a charged particle move in Earth's magnetic field?

  • Phyrrus
  • · Replies 17 ·
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17

Quick Guass's Law of Gravitation Clarification

  • bmb2009
  • · Replies 2 ·
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2

Surface integral of potential*electric field

  • xBorisova
  • · Replies 5 ·
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5

Quantum Physics photoelectric effect

  • Snmaasster
  • · Replies 1 ·
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1

Extracting eigenvalues from wavefunction

  • Ichimaru
  • · Replies 1 ·
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1

Waves on a Cylinder - Solutions & Analysis

  • unscientific
  • · Replies 7 ·
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7

Mass sliding down incline (incline is able to move)

  • Sefrez
  • · Replies 5 ·
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5

Is it possible for a chaotic system to have non-chaotic trajectories?

  • Ratpigeon
  • · Replies 2 ·
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2
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5

Equilibrium solutions in double well potential duffing oscillator

  • Ratpigeon
  • · Replies 3 ·
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3

Quantum Mechanics - Finite Square Well - Graphical Solution

  • amr55533
  • · Replies 2 ·
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2

Is There a Mistake in Determining Conservative Fields?

  • unscientific
  • · Replies 1 ·
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1

What is the Lagrangian for a Mouse on a Rotating Wheel?

  • starryskiesx
  • · Replies 1 ·
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1

Basic Selection Rule for Angular Momentum

  • teroenza
  • · Replies 4 ·
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4

How Do You Calculate Electrical Current Density with Complex Integrals?

  • Denver Dang
  • · Replies 2 ·
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2

How Do Neutrino Oscillations Relate to the Schrödinger Equation?

  • jennyjones
  • · Replies 17 ·
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17

4 nonlinear optics problems: susceptibility, polarization

  • snickersnee
  • · Replies 4 ·
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4

Quantum mechanics, adding a phase factor

  • Cogswell
  • · Replies 4 ·
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4

Rindler metric and proper acceleration.

  • Scherejg
  • · Replies 1 ·
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1

Determine whether vector field is magnetic or electrostatic

  • Roodles01
  • · Replies 3 ·
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3

Schrodinger equation, potential energy function

  • Cogswell
  • · Replies 12 ·
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12

Finding atomic diameter from molecular diffusion proportionality

  • ProPatto16
  • · Replies 4 ·
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4

Help with finding normal modes of a bar swinging on a string

  • BiotFartLaw
  • · Replies 3 ·
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3

Retarded Potential of Moving Charge

  • Shinobii
  • · Replies 2 ·
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2

Time-Dependent Degenerate Pertubation Theory for 3x3 matrix

  • jcharles513
  • · Replies 1 ·
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1

Angular momentum of the EM field of rotating sphere

  • Shinobii
  • · Replies 2 ·
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2

Mass moving on hoop (with hoop itself rotating)

  • MisterX
  • · Replies 3 ·
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3

Time dilation and length contraction

  • AdamBenHamo
  • · Replies 2 ·
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2

Photon conservation in Raman amplification

  • snickersnee
  • · Replies 1 ·
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1

Mathematical Issues with Reif Thermodynamics Problem (BYO Math Chops)

  • GlassSorter
  • · Replies 2 ·
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2

Radial postion - momentum uncertain for 2s Hydrogen

  • TheRascalKing
  • · Replies 1 ·
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1

What properties determine whether a set of amplitudes forms a vector space?

  • spaghetti3451
  • · Replies 11 ·
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11

Solving for Stress and Strain in Three Dimensions

  • KEØM
  • · Replies 3 ·
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3

Euler angles. Quantum Mechanics Question

  • jhosamelly
  • · Replies 2 ·
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2

Hydroxl Ion radius, binding energy and vibrational frequency

  • spaderdabomb
  • · Replies 3 ·
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3

The Troposkien (skipping rope curve)

  • Siberion
  • · Replies 1 ·
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1

Time-Dependent Degenerate Pertubation Theory for Spin System

  • jcharles513
  • · Replies 7 ·
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7

Perturbation Techniques and Theory for Nonlinear Systems

  • sharrington3
  • · Replies 3 ·
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3

What is the optimal radius for stability in a system of two semicircles?

  • Numeriprimi
  • · Replies 4 ·
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4

Scattering of Neutrons from 2d Crystal Lattice

  • 1Kris
  • · Replies 4 ·
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4

Trouble with a question in gravitation of MTW

  • abcdefgzasd
  • · Replies 1 ·
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1

Why Are Eigenvalues of Unitary Operators Pure Phases?

  • black_hole
  • · Replies 1 ·
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1

Wave Vector Algebra: Proving k = 2∏/λ

  • Syrus
  • · Replies 5 ·
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5
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1

Use of vector spaces in quantum mechanics

  • spaghetti3451
  • · Replies 2 ·
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2

Acceleration in rotating frame understanding

  • Awesomesauce
  • · Replies 2 ·
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2

Is the Transformed Function a Solution to Laplace's Equation?

  • merrypark3
  • · Replies 4 ·
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4

Hodgkin-Huxley Model: Voltage & Current Threshold Estimation

  • Mdhiggenz
  • · Replies 1 ·
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1

Solid State - Phonons at Brillouin Zone Boundary

  • Lengalicious
  • · Replies 22 ·
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22

Solving 4-Momenta Problem for Toy Theory: A + A -> B + B

  • kudoushinichi88
  • · Replies 4 ·
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4

Finding the probability density of a recombined beam.

  • Whistlekins
  • · Replies 1 ·
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1

How Do You Compute the Adjoint of a Quantum State in Dirac Notation?

  • spaghetti3451
  • · Replies 1 ·
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1

QM, show a relation (velocity of a free particle related)

  • fluidistic
  • · Replies 2 ·
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2

Special relativity- Uniform circular motion.

  • Scherejg
  • · Replies 2 ·
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2

Small oscillations on a constraint curve

  • tmode
  • · Replies 5 ·
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5

Finding the wave function for a Gaussian wave packet

  • phosgene
  • · Replies 6 ·
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6

Quantum mechanics operator manipulation

  • Tom_12
  • · Replies 4 ·
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4

Prove angular momentum operator identity

  • Tom_12
  • · Replies 4 ·
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4

Tensor Equations for Anisotropic Materials

  • KayDee01
  • · Replies 1 ·
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1

Is Lorentz Invariance Consistent in a 3-Torus Spacetime?

  • rbwang1225
  • · Replies 10 ·
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10

QFT: differential cross section from center of mass to lab frame

  • bnado
  • · Replies 1 ·
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1

Taylor expansion of a vector function

  • xBorisova
  • · Replies 1 ·
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1

Electric Field and Charge Density Problem.

  • TheParksie101
  • · Replies 1 ·
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1

Creating an Anti-Matter Machine at Home

  • sonic25
  • · Replies 3 ·
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3

Uncertainty of energy in a quantum harmonic oscillator

  • bobred
  • · Replies 1 ·
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1

Raising and Lowering Indices of the Metric

  • Shmi
  • · Replies 2 ·
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2
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4

Scattering Amplitude for Many Particles (Born Approximation)

  • Rubiss
  • · Replies 3 ·
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3

Quantum Harmonic Oscillator ladder operator

  • bobred
  • · Replies 7 ·
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7

What Are the Energy Levels and Degeneracies for a 3D Cubical Box?

  • cytochrome
  • · Replies 2 ·
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2

Maxwell's equations and plane waves

  • stripes
  • · Replies 18 ·
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18

Auxiliary Field H Problem, Asks for Magnetic Field etc

  • laz0r
  • · Replies 3 ·
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3

Inverse Square Law - Calculating the solid angle

  • CodyW
  • · Replies 1 ·
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1

Normalizing a wave function problem

  • Gatsby88
  • · Replies 17 ·
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17

Normalizing: One dimensional wave function

  • Roodles01
  • · Replies 1 ·
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1

Show the loop integral of Poynting vector is zero for plane waves

  • stripes
  • · Replies 6 ·
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6

What Are the Turning Points in Alpha Decay Potential Barrier?

  • arierreF
  • · Replies 1 ·
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1

Supersymmetric Lagrangian Transformation (Grassmann Numbers)

  • Lonsdale
  • · Replies 1 ·
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1

The Mystery of Semiconductor-Metal Hybrids

  • ilzmastr
  • · Replies 5 ·
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5

How Do You Calculate Convolution with the Sign Function?

  • PhysicsGirl90
  • · Replies 3 ·
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3

The Relation between the integral and differential form of Amperes Law

  • Zook104
  • · Replies 3 ·
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3

Velocity of Klein-Gordon particles of mass m

  • ProPatto16
  • · Replies 11 ·
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11

Debye model and dispersion relation

  • c299792458
  • · Replies 1 ·
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1

Estimate the central temperature of the Sun

  • Lengalicious
  • · Replies 5 ·
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5