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

Commute an operator with a constant

  • widderjoos
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4

Expansion of a trapped surface - clarification needed

  • TomCurious
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2

Proving a Uniform Energy Distribution of B in Decay A -> B + C

  • ryanwilk
  • · Replies 3 ·
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3

Quantum Mechanics Equation Question

  • atomicpedals
  • · Replies 4 ·
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4

Feynman diagram of K0 transmutation

  • Gulli
  • · Replies 10 ·
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10

Energy of a particle in an orthoganally moving rest frame

  • Pianodan
  • · Replies 8 ·
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8

Electric field in electrostatic situation

  • Blehs
  • · Replies 5 ·
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5

Positon and Momentum Wavefunctions: Normalizability?

  • MadMike1986
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4

NEWTON'S LAW OF COOLING using differential equations

  • ardi
  • · Replies 1 ·
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1

Reactive Power Apparent Power Issue

  • azaharak
  • · Replies 1 ·
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1

How Do These Expressions in Statistical Mechanics Equate?

  • Appledave
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1

Electrostatics - Conducting torus and a point charge

  • thepero
  • · Replies 2 ·
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2

Simple framework, maximum force and stress.

  • Waelroe
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1

Magneostatics - hollow sphere of spontaneous magnetization

  • XCBRA
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1

EM Radiation oscillating charged mass

  • roeb
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3
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5

Radial Nodes and Degree of Exitation

  • atomicpedals
  • · Replies 2 ·
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2

Find the E field of a parallel plate capacitor tilted at 45 degrees

  • cragar
  • · Replies 15 ·
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15

Poisson brackets little problem

  • fluidistic
  • · Replies 1 ·
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1

How to derive Relation between Levi-civita Density and Kronecker's Delta?

  • Abir Sarkar
  • · Replies 1 ·
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1

Question about Critical Temperature and Interface between Liquid and vapour

  • Abir Sarkar
  • · Replies 7 ·
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7

What is the solution to [x,p2] and [x,p2]ψ(x) in quantum mechanics?

  • atomicpedals
  • · Replies 12 ·
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12

Ladder operators in quantum mechanics

  • bigevil
  • · Replies 4 ·
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4
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1
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10
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11

Derivation of geodesic equation from hamiltonian (lagrangian) equations

  • luinthoron
  • · Replies 1 ·
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1

How to Determine Water Depth on a Spinning Ellipsoid?

  • wei7614
  • · Replies 10 ·
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10

How Do I Set Up the Schrodinger Equation for This Wave Function?

  • apigban
  • · Replies 4 ·
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4

Introductory Statistical Mechanics - counting number of microstates

  • ausdreamer
  • · Replies 3 ·
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3

Angular acceleration of a cylinder with a string

  • physmatics
  • · Replies 3 ·
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3

Angular Momentum: Homework Statement & Equations

  • Heat
  • · Replies 3 ·
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3

Deriving QFT Equations using Gamma Trace

  • freeman
  • · Replies 10 ·
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10

Calculating the energy of a harmonic oscillator

  • demonelite123
  • · Replies 2 ·
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2

Question about noncanonical transformations

  • demonelite123
  • · Replies 4 ·
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4

Understand Quantum Resonance: What Is It?

  • atomicpedals
  • · Replies 2 ·
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2

Max Height: Solving Displacement Problems

  • cyspope
  • · Replies 5 ·
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5

Statistical Mechanics - Specific Heat Capacity

  • A-fil
  • · Replies 1 ·
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1
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3

Calculating Ym and R for Two-Slit Interference: Tips and Tricks"

  • tj.
  • · Replies 4 ·
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4
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3

Quantum Mechanics help for a freshman undergrad

  • Apophilius
  • · Replies 4 ·
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4

Understanding the Anomalous Zeeman Effect in Advanced Student Laboratories

  • kraigandrews
  • · Replies 4 ·
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4

What is divergence theorem in electrostatics?

  • Lakshmi N
  • · Replies 1 ·
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1

Help with particle in a potential

  • Schmetterling
  • · Replies 13 ·
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13

[Statistical Mechanics] An adsorption model

  • Truecrimson
  • · Replies 11 ·
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11

Charge distribution in a conducting sphere

  • Plantis
  • · Replies 6 ·
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6

Feynman Diagrams on Srednicki's book.

  • S_klogW
  • · Replies 1 ·
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1

How can I normalize a plot by the cross-section in particle physics?

  • v0id19
  • · Replies 1 ·
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1

Driven Damped Harmonic Oscillator Problem

  • Walczyk
  • · Replies 2 ·
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2

How to integrate Joule's First Law (Joule Heating)?

  • BucketOfFish
  • · Replies 2 ·
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2

Solving the Kepler problem with the Hamiltonian

  • fluidistic
  • · Replies 19 ·
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19

Proving <n_f,l_f,m_l,f|p_j|n_i,l_i,m_l,i> for Hydrogen Atom - Homework Help

  • arenaninja
  • · Replies 2 ·
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2

How Does Vine Tension Affect Jill's Swing Dynamics?

  • MaggieNF
  • · Replies 1 ·
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1

What is the significance of Crookes Dark Space in low-pressure gases?

  • mahblah
  • · Replies 1 ·
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1

What is the Velocity of Electrons between Charged Plates?

  • Punch
  • · Replies 2 ·
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2

Prove that derivative of the theta function is the dirac delta function

  • demonelite123
  • · Replies 3 ·
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3

Understanding Dipole Behavior in a Dielectric Medium

  • XCBRA
  • · Replies 2 ·
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2

How to Find Velocity of 10 MeV Alpha Particle for Scattering Calculation?

  • SUDOnym
  • · Replies 7 ·
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7

Is the Claim About the Fan's Discharge Rate and Velocity Reasonable?

  • a13x
  • · Replies 3 ·
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3

Why Is Calculating Mean Values for a Hydrogen Atom Challenging?

  • dingo_d
  • · Replies 9 ·
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9

Infinite potential well- Delta potential inside

  • noamriemer
  • · Replies 1 ·
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1

Electric Field in a cavity of a dielectric medium

  • XCBRA
  • · Replies 2 ·
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2

Classical mechanics with a mass on a light elastic string

  • *LouLou*
  • · Replies 10 ·
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10

Stuck on Physics Assignment: Find Force & Distance

  • GFreeman64
  • · Replies 6 ·
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6

First steps to understand small oscillations in CM +1 little problem

  • fluidistic
  • · Replies 18 ·
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18

Parallel Axis Thereom to find angular velocity

  • Sepamo
  • · Replies 1 ·
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1

Normal Zeeman effect of hydrogen atoms

  • kraigandrews
  • · Replies 1 ·
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1

Preparing for Exams: Fundamental of Physics 8th Ed. - Ch. 30-36

  • noxnoxmox
  • · Replies 6 ·
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6

Calculating the Area of a Copper Plate with Linear Expansion

  • bpollard
  • · Replies 1 ·
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1

Double Delta Function Potential Well

  • doublemint
  • · Replies 16 ·
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16

Polarization Charge on the surface of a spherical cavity

  • XCBRA
  • · Replies 4 ·
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4

Finding the Hamiltonian if I'm given the Lagrangian

  • fluidistic
  • · Replies 6 ·
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6

Normal modes for small oscillations

  • fluidistic
  • · Replies 14 ·
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14

How Do You Calculate Recoil Shift in Atomic Emissions?

  • atomicpedals
  • · Replies 1 ·
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1

Solving Algebraic Problem to Calculate Vector Operator Rotation

  • IsNoGood
  • · Replies 2 ·
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2

A thermaldynamics problem.(Carnot engine&equilibrium temperature)

  • Lh0907
  • · Replies 1 ·
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1

Very low accelerating objects in the universe

  • shadi_s10
  • · Replies 8 ·
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8

Hamilton function of a free particle/Landau's book

  • fluidistic
  • · Replies 2 ·
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2

Help with carbon dating question please

  • cd95
  • · Replies 3 ·
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3

What is the Most Energetic Lyman Line?

  • atomicpedals
  • · Replies 5 ·
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5

What is the Relationship Between Dimensions in Wave Function Calculations?

  • noamriemer
  • · Replies 7 ·
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7

How Do You Calculate Ideal-Gas Temperature from Mercury Pressure Data?

  • zacl79
  • · Replies 4 ·
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4

What happens if you repeat stern-gerlach-exp. twice?

  • simpatico
  • · Replies 17 ·
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17

Solve problem without Lagrange Equations.

  • Wondering
  • · Replies 1 ·
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1

Expression for the time average power dissipated in a resistance R

  • paulb42
  • · Replies 1 ·
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1

What Is the New Length and Velocity of a Spring Pendulum at the Lowest Point?

  • MusNothus
  • · Replies 15 ·
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15

Hydrogen orbits, magnetic field, orbit-spin interaction

  • simpatico
  • · Replies 3 ·
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3

Steady state heat equation in concentric spherical shells

  • capandbells
  • · Replies 2 ·
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2

How to Evaluate the Dot Product of Complex Electric Field Vectors?

  • capandbells
  • · Replies 7 ·
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7

How Do Dirac Gamma Matrices Satisfy Their Anticommutation Relations?

  • McLaren Rulez
  • · Replies 3 ·
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3

Relativistic addition of orthogonal velocities

  • Pi-Bond
  • · Replies 6 ·
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6

Maximum jerk for experimental module

  • mtrc1
  • · Replies 1 ·
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1

Particle displacement by a speaker in a gas tube

  • beyondlight
  • · Replies 5 ·
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5

Rigid body kinetic energy+ constraints (upper level classical mechanics)

  • fluidistic
  • · Replies 31 ·
2
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31

Mass Spectroscopy: Difference in potential

  • hbc.football2
  • · Replies 26 ·
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26

Transmission probability (tunneling) question

  • mclame22
  • · Replies 1 ·
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1

What Is the Tension in the Rope for a High Wire Walker?

  • Damie904
  • · Replies 2 ·
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2

Compton Scattering given Energy of Scattered Gamma.

  • atomicpedals
  • · Replies 2 ·
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2

Commutator of the Hamiltonian with Position and Hamiltonian with Momentum

  • arsenalfan
  • · Replies 2 ·
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2