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

Lagrange constraint mechanics problem

  • DylanG
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1

Electronics homework (capacitors and resistors)

  • BOBAH
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4

Position and Momentum Operator Matrices

  • kreil
  • · Replies 2 ·
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2

Planck Function: Subbing c=λν - Insight Needed

  • Piano man
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1

General solution of Schrodinger eq. proof

  • dingo_d
  • · Replies 6 ·
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6

Simple Harmonic Oscillator Problem with Slight Variation

  • Kvm90
  • · Replies 4 ·
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4

Unitary operators preserve normalization in arbitrary basis

  • bjnartowt
  • · Replies 1 ·
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1

Velocity of a Proton in a Capacitor

  • joshszman09
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1

Is the Hamilton Density Diagonalizable?

  • >>S/Z<<
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1

Electron spin - energy difference between split levels?

  • accountkiller
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4

QFT: Proving Commutation of Fields & Momentum

  • shadi_s10
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1

How Do Commutators Influence Eigenvalues in Quantum Mechanics?

  • Minakami
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1
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2

Need Help with Prof. Warren Siegel's Fields Book?

  • jabba
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2

Given a wave function at t=0, how do you find the wave function at time t?

  • Demon117
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2

How much new entropy have you created by mixing the water

  • mikee
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3

How do you find angular frequencies in coupled masses using Hooke's Law?

  • The-Exiled
  • · Replies 4 ·
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4

Solve Heat Transfer Question: Find Rate of Heat Loss from 700m^2 Ceiling

  • Studious_stud
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1

Mean free path and effective collision radius

  • bon
  • · Replies 1 ·
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1

Trying to derive a group velocity equation?

  • jeebs
  • · Replies 4 ·
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4

Quantum mechanics, zero point energy

  • fluidistic
  • · Replies 9 ·
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9

What Is the Force of Constraint Using Lagrange Multiplier?

  • mamou6262
  • · Replies 1 ·
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1

Solving Quantum Mechanics Problems: Dirac Notation and Operator Methods

  • Shackleford
  • · Replies 19 ·
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19

Are These Quantum States Eigenstates of Lx and L²?

  • Axiom17
  • · Replies 17 ·
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17

Is this a simple harmonic question or no?

  • tarletontexan
  • · Replies 4 ·
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4

Alpha-Absorption Lab Homework: Determining Geiger Counter Window Thickness

  • zheng89120
  • · Replies 2 ·
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2

Analytical Mechanics: Solving Equations of Motion for Block Sliding Down Ramp

  • tarletontexan
  • · Replies 6 ·
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6

Nevermind, I've Done It!" - Success Achieved!

  • James1991
  • · Replies 7 ·
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7

How Do Magnetic Dipole Moments Interact at a Distance?

  • kylie14
  • · Replies 2 ·
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2

Empty conducting cube with 4 sides at ground and 2 sides at V

  • randomchance
  • · Replies 2 ·
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2

Where is the Electric Field Zero on a Line Between Two Charges?

  • tjj4h8
  • · Replies 1 ·
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1

Effusion Equation Help | Find Expressions for v1 and v2

  • bon
  • · Replies 1 ·
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1

Polarization of light through a sugar solution

  • KaiserBrandon
  • · Replies 2 ·
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2

Finding the Ground State of a Hamiltonian Operator

  • Matthollyw00d
  • · Replies 6 ·
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6

How Does Momentum Transfer Relate to Spherical Symmetry in Form Factors?

  • malawi_glenn
  • · Replies 4 ·
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4

Complex Sinusoids Homework: 3.4 x(t) = sin^3(17\pi t)

  • jordanrs
  • · Replies 3 ·
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3
  • Poll Poll

Finding Length and Area of Tungsten Wire Resistor

  • nomnom
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1

Bead on loop of wire in rotating frame

  • msimmons
  • · Replies 3 ·
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3

Can This Integral Be Evaluated?

  • facenian
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1

Time evolution operator on momentum basis

  • physics2004
  • · Replies 23 ·
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23

Ion Distribution in Grounded Metal Bowl: NaCl in Water

  • patm95
  • · Replies 1 ·
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1

Dispersion Relation: Photons vs Bosons

  • rayman123
  • · Replies 3 ·
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3

Calculating temperatures of reservoirs in Carnot engine

  • arenaninja
  • · Replies 1 ·
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1

How Do Conducting and Non-Conducting Objects Affect Electric Fields?

  • Fjolvar
  • · Replies 6 ·
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6

Vector coordinate transformation: Help?

  • tetris11
  • · Replies 4 ·
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4

Schrödinger's equation problem

  • fluidistic
  • · Replies 2 ·
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2

Why Does a Balloon Swing Forward When a Train Decelerates?

  • moneenfan
  • · Replies 4 ·
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4

How to Calculate Uncertainty Errors in Derived Quantities?

  • a8281333
  • · Replies 3 ·
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3

How Does a Paramecium Move Through Viscous Fluid?

  • jmwood15
  • · Replies 3 ·
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3

What is the pressure of a gas being pumped out of a vessel over time?

  • zorro
  • · Replies 8 ·
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8

How do you find the matrix element using Dirac notation?

  • physics2004
  • · Replies 5 ·
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5

Perturbation Theory - Shift of Ground State

  • Fraktal
  • · Replies 5 ·
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5

No charge of particle in Schrodinger Equation

  • learnnewphy
  • · Replies 4 ·
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4
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1

Calculating Total Length of Car's Breaking Path with a=4 m/s^2

  • Hristijan1992
  • · Replies 6 ·
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6

Why Does My Calculation of <x^2> Yield a Negative Result?

  • facenian
  • · Replies 8 ·
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8

Advanced problem on Kinetic Theory of Gases

  • zorro
  • · Replies 2 ·
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2
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10

Relativistic momentum and energy

  • bhsmith
  • · Replies 16 ·
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16

Equation of motion for interacting fields

  • >>S/Z<<
  • · Replies 2 ·
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2
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3

Relationship between radial and angular acceleration

  • Dv3k
  • · Replies 6 ·
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6

Finding the potential outside a charge sphere

  • Benzoate
  • · Replies 5 ·
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5

Micro and macro internal energy approach

  • aviatorx
  • · Replies 2 ·
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2

Angular momentum operators in quantum mechanics

  • myb821
  • · Replies 1 ·
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1

Creation/Annihilation operator help

  • cahill8
  • · Replies 1 ·
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1

Solving Frictional Force of Sand on Conveyor Belt

  • abcd8989
  • · Replies 1 ·
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1

SOLID STATE PHYSICS - allowed reflections

  • Anabelle37
  • · Replies 1 ·
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1

Adjoint of an Operator - Considerations and Solution

  • qudit
  • · Replies 1 ·
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1

Is G Hermitian Given H and K Definitions?

  • sgoodrow
  • · Replies 1 ·
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1

How Does the Relativistic Doppler Effect Apply on a Rotating Disk?

  • kreil
  • · Replies 7 ·
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7

Two line charges and a conducting cylinder are flying through space

  • truth is life
  • · Replies 5 ·
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5

Find frequency of oscillating electron in electric field

  • gacky27
  • · Replies 3 ·
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3

Finding tidal height difference using two wells

  • Esran
  • · Replies 1 ·
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1

Proving Quantum Mechanics Inequalities

  • jameson2
  • · Replies 6 ·
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6

When Will a Particle Reach the Force Center Under an Inverse Cubed Law?

  • blarggg
  • · Replies 1 ·
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1

Infinite square well. probability isues.

  • OGrowli
  • · Replies 1 ·
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1

QM Infinite square well with delta function potential in middle

  • richard7893
  • · Replies 1 ·
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1

How long is it until Phobos hits the surface of Mars

  • leonne
  • · Replies 7 ·
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7

Probability of being in ground & 1st excited state of widened infinite well

  • Vighnahara
  • · Replies 2 ·
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2

|1s> -> |2p> transition probabilities

  • cscott
  • · Replies 1 ·
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1

Electron in dielectric cube (Quantum Mechanics)

  • xago
  • · Replies 1 ·
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1

Energy Eigenvalue for a Two State System

  • jameson2
  • · Replies 3 ·
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3

Classical Mechanics: Repelling Force and Motion Equations for F=ma

  • matt222
  • · Replies 3 ·
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3

Astrophysics: question about nearly resonant orbits

  • leonne
  • · Replies 3 ·
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3

Electromagnetisim exam question (can someone please check)

  • vorcil
  • · Replies 3 ·
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3

Calculating Probability of Energy Measurement in Quantum Systems

  • Axiom17
  • · Replies 9 ·
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9

Motion of Source Effects Frequency of Wave: an Exploration

  • gstar2002
  • · Replies 1 ·
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1

Small Scale Yielding: Meaning Explained

  • sara_87
  • · Replies 1 ·
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1

Rotation and Angular Momentum: Solving for thrust of a rocket

  • engineer08
  • · Replies 7 ·
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7

How Do You Calculate the Magnetic Moment of a Current Loop?

  • iknowone
  • · Replies 7 ·
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7
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1

How Does Damping Affect the Resonant Amplitude of a Driven Pendulum?

  • stanli121
  • · Replies 3 ·
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3

Is the Expectation Value Always 1 for Normalized State Vectors?

  • tetris11
  • · Replies 2 ·
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2

How to Solve a Second Order Differential Equation?

  • physiker99
  • · Replies 3 ·
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3

What Is the Role of Binding Energy in Fusion and Fission?

  • logearav
  • · Replies 1 ·
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1

Compton Scattering with Moving Electron

  • jowens1988
  • · Replies 3 ·
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3

Hermitian Operators: Identifying & Solving Examples

  • Axiom17
  • · Replies 6 ·
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6

What is the Momentum Probability for a Gaussian Wave-Packet?

  • Campbe11
  • · Replies 3 ·
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3