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

Natural frequency of 3 coulomb force bound particles in EF

  • Franky4
  • · Replies 4 ·
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4

Matrix representation in x and y basis for spin operators

  • Robben
  • · Replies 7 ·
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7

Maxwell distribution in thermal equilibrium

  • Firben
  • · Replies 16 ·
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16

Energy Probability of Electron in 1d box

  • Lamebert
  • · Replies 6 ·
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6
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3

Infinite Square Well Homework: Solutions

  • gfd43tg
  • · Replies 20 ·
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20

Is Binding Energy Equal to the Strong Nuclear Force?

  • Davidmb19
  • · Replies 2 ·
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2

How Far Will Object A Travel After Acceleration Stops?

  • robi_project
  • · Replies 3 ·
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3

Graph Scale Confusion: Estimating Values from Plots

  • maximus123
  • · Replies 5 ·
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5

Why Does the Mirror Charge Method Double the Potential Energy?

  • Aroldo
  • · Replies 3 ·
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3

Does a Closed Universe Satisfy the FRW Equations?

  • unscientific
  • · Replies 4 ·
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4

Klien-Gordon equation to solve 4-vector problem? (Particle)

  • rwooduk
  • · Replies 19 ·
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19

What is equation for Lie derivative in Riemann curvature?

  • FreeThinking
  • · Replies 3 ·
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3

Proving ##\psi## can be real or not, even or odd

  • gfd43tg
  • · Replies 17 ·
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17

Measurement of Momentum in Neutron Interferometer

  • Normandy
  • · Replies 1 ·
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1

Estimating Milky Way Absolute Magnitude

  • tristan3214
  • · Replies 1 ·
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1

Is the photon scattering elastically?

  • leonmate
  • · Replies 5 ·
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5

Kronecker sum of more than two matrices?

  • Earthland
  • · Replies 4 ·
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4

Where Does the 0.61 in the Diffraction Limit Formula Come From?

  • ppy
  • · Replies 1 ·
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1

What is the polar complex form of a wave with amplitude and phase?

  • desklamp2
  • · Replies 2 ·
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2

Show that E must exceed ##V_{min}##

  • gfd43tg
  • · Replies 5 ·
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5

Quantum Mechanics: Angular Momentum Operators

  • Robben
  • · Replies 4 ·
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4

Doing Homework: Equations & Solutions

  • Duc Nguyen
  • · Replies 2 ·
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2

How do you solve Part a of Callen 5.1-2?

  • Duc Nguyen
  • · Replies 3 ·
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3

Two shallow wells moving together

  • WalkThePlanck
  • · Replies 1 ·
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1

A system of 3 masses attached by springs is oscillating

  • Freya
  • · Replies 4 ·
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4

Explanation of Torque in the precession of a top.

  • student335
  • · Replies 2 ·
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2

How can I calculate the exponential of a non-diagonal matrix?

  • maximus123
  • · Replies 3 ·
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3

Are EF and MF in Phase Far from an Oscillating Electric Dipole?

  • mpapachristou
  • · Replies 1 ·
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1

Statistical Mechanics Mean Field Model

  • Chris B
  • · Replies 1 ·
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1

Where can I find the pseudorange of the satellite of MH370?

  • yoyochan
  • · Replies 1 ·
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1

Answer: Solve Neutrino Oscillations Eigenvalues & Eigenvectors

  • Lawrencel2
  • · Replies 4 ·
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4

What Are Feynman Diagrams and How Are They Used in Physics?

  • unscientific
  • · Replies 11 ·
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11

How Does a Distorted Dewar Window Affect Its Focal Length?

  • AaronBurr
  • · Replies 1 ·
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1

How to solve for first integrals of motion

  • mat
  • · Replies 4 ·
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4

Griffiths QM 6.22: Deriving $E_{fs}^1$ from H$_r$ and H$_{so}$

  • snatchingthepi
  • · Replies 2 ·
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2

Plotting Phase Space for Double Pendulum

  • Robben
  • · Replies 8 ·
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8

How is Rest Mass Affected in the Process of Rocket Propulsion?

  • SHawking01
  • · Replies 1 ·
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1

Calculating velocity of a bullet with quadratic air drag

  • Matt Q
  • · Replies 2 ·
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2

Harmonic oscillator in 2D - applying operators

  • Dassinia
  • · Replies 12 ·
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12

Investigating the Physics of a Candle Seesaw

  • Robben
  • · Replies 6 ·
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6

Does the Angular Momentum Commutator [L_a, L_b L_b] Equal Zero?

  • mr_sparxx
  • · Replies 3 ·
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3

Statistical mechanics: Total number of photons in a cavity

  • cdot
  • · Replies 3 ·
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3

Work done by a expanding and contracting wire over a Carnot cycle

  • Uriel
  • · Replies 4 ·
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4

Calculating T1 in an Elastic Collision with Equal Masses

  • SHawking01
  • · Replies 4 ·
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4

Find charge density rho of a uniform shpere with radius R

  • Andrew11
  • · Replies 1 ·
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1

Estimating Resistivity of Amorphous Metal - Condensed Matter

  • 12x4
  • · Replies 3 ·
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3

Thomson Scattering Hot Ionised Hydrogen Region

  • leonmate
  • · Replies 3 ·
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3

Which constants to use in Saha Equation

  • leroyjenkens
  • · Replies 3 ·
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3

Degenerate perturbation theory for harmonic oscillator

  • CAF123
  • · Replies 9 ·
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9

Dielectric effects confined inside the dielectric material?

  • Ocirne94
  • · Replies 5 ·
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5

Solve 2D Green Function: Star Equation

  • PeteSampras
  • · Replies 1 ·
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1

Analyzing 3 Electron States in Different Orbital Levels

  • barefeet
  • · Replies 1 ·
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1

Finding average angle in kinetic theory of gases

  • Kevin Willis
  • · Replies 6 ·
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6
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3

The peak of the thermal radiation power spectrum (dR/dλ)

  • Andres123
  • · Replies 3 ·
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3

Help with determining errors on Kater's Pendulum experiment?

  • J.Sterling47
  • · Replies 5 ·
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5

Finding Possible Measurement Results of an Observable

  • wgrenard
  • · Replies 1 ·
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1

Teaching a Lesson on Black Hole Buoyancy: 15-Year-Old Seeks Advice

  • Anthony Medina
  • · Replies 1 ·
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1

Quantum Mechanics: Eigenstates of ##\hat{\mathbb{S}}_x##

  • Robben
  • · Replies 6 ·
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6

Deriving commutator for angular momentum components

  • mr_sparxx
  • · Replies 8 ·
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8

Electron Clebsch-Gordon coefficients

  • Mastern00b
  • · Replies 2 ·
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2

E-field and charge density outside two coaxial cylinders

  • adriaat
  • · Replies 1 ·
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1

Max Scattering Angle from Thompson Plum Pudding Model

  • James Brady
  • · Replies 2 ·
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2

Smallest angle of inclination between two stars for eclipse

  • leroyjenkens
  • · Replies 7 ·
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7

Highest frequency of sound waves in a thin aluminium rod

  • aednat
  • · Replies 1 ·
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1

TEM mode propagation between 2 infinite conductor plates

  • fluidistic
  • · Replies 1 ·
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1

Where Is the Lennard-Jones Potential Minimized?

  • terp.asessed
  • · Replies 1 ·
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1

Uncertainty Relation for Eigenstate of Spin-1/2 Particle

  • Robben
  • · Replies 24 ·
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24

Square Hill Barrier, weird question wording

  • Raynor49
  • · Replies 13 ·
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13

Is Acceleration Perpendicular to Velocity in Energy-Momentum Tensor Algebra?

  • unscientific
  • · Replies 13 ·
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13

Finding magnetic flux density from magnetization vector

  • moeidur
  • · Replies 1 ·
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1

Oscillating current along antenna, electrodynamics

  • CAF123
  • · Replies 15 ·
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15

Proper distance, Area and Volume given a Metric

  • unscientific
  • · Replies 1 ·
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1

Force on a particle in response to an EM wave

  • Dishsoap
  • · Replies 3 ·
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3

Motion of a mass of air around Earth.

  • Ascendant78
  • · Replies 2 ·
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2

Flat Space - Christoffel symbols and Ricci = 0?

  • unscientific
  • · Replies 5 ·
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5

Einstein Tensor - Particle at rest?

  • unscientific
  • · Replies 7 ·
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7

Energy units in the potential well problem

  • BlackMelon
  • · Replies 3 ·
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3

Applying the Biot-Savart Law to solenoids

  • RawrSpoon
  • · Replies 2 ·
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2

Creation/Anhilation Operator Commutation Relation

  • teroenza
  • · Replies 4 ·
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4

Solution: Find Stationary State of 2D Membrane w/ Coin on Top

  • skrat
  • · Replies 8 ·
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8

Special Relativity: Collision of a Particle and Antiparticle

  • szimmy
  • · Replies 3 ·
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3

TOV Equation in (2+1)-dimensions for Perfect Fluids

  • fu11meta1
  • · Replies 1 ·
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1

Max Temp of Water Around Heated Square Rod

  • skrat
  • · Replies 2 ·
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2

What do simultaneous eigenkets tell us about the commutativity of A and B?

  • Lawrencel2
  • · Replies 2 ·
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2

Overall rate of heat conduction for a fin

  • theone
  • · Replies 1 ·
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1

Expectation value of total energy in QM

  • FadeToBen
  • · Replies 2 ·
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2

QED Feynmann Diagram Momentum Int Integral Calc

  • Maybe_Memorie
  • · Replies 15 ·
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15

How to measure temperature distribution

  • Moezeus
  • · Replies 7 ·
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7

Feynman Diagram for phi^4 theory (path integral)

  • Dixanadu
  • · Replies 2 ·
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2

Work done moving a test charge into conducting shell

  • KleZMeR
  • · Replies 1 ·
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1
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3

Quark Scattering and Quark Flow Diagrams

  • unscientific
  • · Replies 1 ·
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1

Lagrange Multipliers: Deriving EOM & Conditions for Contact Loss

  • ct1993
  • · Replies 3 ·
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3
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6

How Can I Build a Simple Ultrasonic Thickness Gauge?

  • samani
  • · Replies 2 ·
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2

Relativistic Kinetic energy, momentum, speed.

  • irre1evantt
  • · Replies 3 ·
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3

Solving Relativity Problem: Prove c^2τ1τ2 is ∆s^2

  • SHawking01
  • · Replies 11 ·
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11

Alternative electrostatic potential

  • andre220
  • · Replies 2 ·
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2