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

Find the hydrostatic force exerted on a sphere

  • suda
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4

Trouble with Orthogonality in Quantum Mechanics Algebra?

  • sxc656
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6

How Does Charge Density Inside a Conductor Dissolve Over Time?

  • th5418
  • · Replies 6 ·
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6

Gram-Schmidt Q: Orthogonalizing v1 & v2 -Help Appreciated!

  • astropi
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3

Finding the index of refraction with respect to the vertical axis

  • greedo
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2

Neutron decay - is my answer unrealistic?

  • jeebs
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4

Understanding the Orbit of Kapler's Law and its Relation to Potential Energy

  • Cosmossos
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1

Degeneracy and commuting observables

  • foxjwill
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4

Deriving Bessel Function Equation with Basic Relation

  • shaun_chou
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2

What is the explanation for the 4m mass going down in a double Atwood machine?

  • player1_1_1
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4

Transform of $\frac{u^3}{u^4+4}$: Fourier Analysis

  • nhrock3
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1

Coin Rolling on Table: Finding Angle of Axis Tilted Inward

  • Mr confusion
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5

Is the Square of a Density Matrix Equal to the Density Matrix Itself?

  • Mr confusion
  • · Replies 11 ·
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11

Non-Relativistic Scattering: Born Approximation for Particle-Wave Vector k

  • MathematicalPhysicist
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1

Time Dependence of the Infinite Square Well

  • Odysseus
  • · Replies 2 ·
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2

Commutation relation of angular momentum

  • p.p
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3

Solving Friction Problems: Calculate Coefficient & Height

  • JoanF
  • · Replies 8 ·
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8

Nuclear Shell Model - Spin-parity of excited states

  • Manman
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1

Gyroscopes, moment of inertia, rotational energy and friction.

  • j-e_c
  • · Replies 1 ·
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1

How can the Hamilton-Jacobi equation be derived and solved?

  • GleefulNihilism
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1

What is the Angular Frequency of Small Oscillations on a Nonuniform Disk?

  • GleefulNihilism
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1

How Do You Calculate the Kinetics of a Suspended, Unwrapping Cylinder?

  • GleefulNihilism
  • · Replies 1 ·
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1

Magnetic Flux Density at different points about a solenoid

  • ajhooger
  • · Replies 1 ·
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1

How to Determine Time Ordering in Phi-3 Theory for a 2-to-3 Particle Process?

  • tayyaba aftab
  • · Replies 1 ·
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1

Finding potential difference between two points on a cone

  • issacnewton
  • · Replies 3 ·
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3

Solve 2 Mass Spring Oscillations: m1,m2,k

  • Cosmossos
  • · Replies 10 ·
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10

Transmission line relative amplitude question

  • timhunderwood
  • · Replies 3 ·
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3

Electron-electron /Moller/ Scattering

  • parazit
  • · Replies 2 ·
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2

Calculating the p.d. Across EC - Get an Explanation

  • cheekymonkey
  • · Replies 2 ·
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2

SOS Problem with lagrange derivation

  • thebigstar25
  • · Replies 5 ·
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5
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2

Scalar fields: why symmetric ener-mom. tensor?

  • provolus
  • · Replies 12 ·
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12
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7

Solving Schrodinger's Equation Homework

  • oddiseas
  • · Replies 1 ·
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1

Position operator is it communitative

  • zimbabwe
  • · Replies 3 ·
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3

Solve Schrodinger Equation for Infinite Square Well - Q1

  • oddiseas
  • · Replies 3 ·
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3

For Deriving De Broglie' Wavelength

  • puneeth
  • · Replies 1 ·
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1

Interference fringes in Young's Double Slit Experiment

  • kihr
  • · Replies 8 ·
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8

Do Grassmann Numbers Commute With Fermionic Operators?

  • pellman
  • · Replies 1 ·
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1
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1

Help with Physics Problems: Momentum & Force

  • FAJAS
  • · Replies 12 ·
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12

Compute Limit of 4-Vectors: p and q

  • parton
  • · Replies 5 ·
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5

How Much U-235 is Consumed by a 1 GW Nuclear Power Plant in 18 Months?

  • Akim679
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1
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4

2 masses on an inclined plane, one unknown mass needs to be found

  • oconnc59
  • · Replies 1 ·
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1

Pressure on uniformly charge spherical shell

  • timhunderwood
  • · Replies 3 ·
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3
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1
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1

Struggling with Integrals in QM? Here's Some Help!

  • MathematicalPhysicist
  • · Replies 8 ·
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8

Central potential in quantum mechanics

  • Bavon
  • · Replies 4 ·
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4

Solving General Relativity ODE with Table on p98

  • latentcorpse
  • · Replies 11 ·
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11

Cable theory - calculating cable length using graphs

  • af86
  • · Replies 2 ·
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2

Basis Transformation for Wave Function

  • Proofrific
  • · Replies 3 ·
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3

What does it mean for momentum to be a constant of motion?

  • jus8727
  • · Replies 1 ·
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1

What force is the pin exerting on the rod?

  • AirJersey
  • · Replies 1 ·
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1

Modelling helium in the joule kelvin expansion

  • sheelbe999
  • · Replies 1 ·
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1

Where do the units for fracture energy come from in this equation?

  • Denzil
  • · Replies 1 ·
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1

What is the expression for the density of states in 2D?

  • jeebs
  • · Replies 6 ·
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6

Solving for Current Decay in a Resistor/Capacitor Circuit

  • fasegovia
  • · Replies 3 ·
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3

Bainbridge Mass Spectrometer - Finding the mass of ions

  • HollieDee
  • · Replies 1 ·
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1

How Accurate is the Uncertainty in the Lifetime of Electron-Positron Pairs?

  • Phyisab****
  • · Replies 3 ·
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3

What Does the Hamiltonian Tell Us About Forces on a Suspended Wire?

  • hasasl
  • · Replies 1 ·
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1

Finding Constants in Relativistic Trajectory Problem

  • E92M3
  • · Replies 3 ·
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3

Potential at Junction of Two NiCr Wires

  • hnicholls
  • · Replies 6 ·
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6

Group Velocity of EMW: Conditions \& Expression

  • dingo_d
  • · Replies 9 ·
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9

How Can a Cross Mask Transform a Circle of Light into a Square?

  • dm9292
  • · Replies 4 ·
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4

Diffusion Limited Aggregation Matlab Problem

  • leviathanX777
  • · Replies 5 ·
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5

Movement of planet in central force - hamilton mechanics

  • player1_1_1
  • · Replies 2 ·
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2

Special relativity and speed of body

  • kapv89
  • · Replies 15 ·
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15

Least action principle for a free relativistic particle (Landau)

  • provolus
  • · Replies 4 ·
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4

Is the Electron Confined to a Fixed Radius in Hydrogen's Ground State?

  • jaejoon89
  • · Replies 1 ·
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1

Nonconducting Rod: How to Determine Electric Potential at x=L+d?

  • Gogeta007
  • · Replies 1 ·
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1
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3

Expectation value of raising/lowering operators

  • quasar_4
  • · Replies 1 ·
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1

Two physics KE/PE questions(and possibly more, studying for a test)

  • axforts
  • · Replies 2 ·
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2

Identical Particles - Silly question

  • IHateMayonnaise
  • · Replies 3 ·
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3

Help with commutator question please

  • jus8727
  • · Replies 12 ·
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12

How to Solve the Integral of a Legendre Polynomial?

  • shaun_chou
  • · Replies 2 ·
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2

Block Slides on Rough Horiz Surface with Pic

  • hodgepodge
  • · Replies 1 ·
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1

What Are the Eigenvalues and Eigenvectors of This Spin Hamiltonian?

  • dreamspy
  • · Replies 5 ·
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5

What is the solution to the Tricky Collision Problem?

  • jj2443
  • · Replies 3 ·
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3

Are the Vector Operators K1 and K2 Hermitian or Anti-Hermitian?

  • ber70
  • · Replies 1 ·
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1

Parallel RLC Circuit: Find Current I & Resonance Condition

  • libelec
  • · Replies 1 ·
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1

Is Momentum the Same as Newton's Second Law?

  • aloshi
  • · Replies 15 ·
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15

Thrust,drag and lift on airplane Question

  • ikrom52
  • · Replies 2 ·
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2

Calculating the fraction of water that freezes.

  • Prospal
  • · Replies 1 ·
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1

Calculating Force on Achilles Tendon: Component Method and Formulas

  • koreanlearner
  • · Replies 2 ·
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2

Electric field for a plane wave in free space

  • jb646
  • · Replies 1 ·
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1

Finding maximum distance of a lit power source

  • 02drai
  • · Replies 1 ·
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1

Finding Velocity and Height of Wedge After Block Release

  • imdiskid06
  • · Replies 10 ·
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10

Simple Harmonic Motion, velocity and acceleration

  • hodgepodge
  • · Replies 4 ·
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4

Learn All About Dogs""Discovering the World of Dogs: A Beginner's Guide

  • sheldonballom
  • · Replies 1 ·
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1
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2

What is the Amplitude in an SHM Problem?

  • jvick717
  • · Replies 2 ·
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2

Solve Force Problem with Four Masses in a Rectangle | Figure 12-23

  • wr1015
  • · Replies 3 ·
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3

Solving a Statics Question - Reaction Force Ay

  • ikrom52
  • · Replies 2 ·
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2

If F central field then its potential V is radial

  • Dimag
  • · Replies 11 ·
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11

Designing a Level Shifter Circuit for 0-5V Output

  • -EquinoX-
  • · Replies 1 ·
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1

Two lense system - Homemade spyglass.

  • Casper^^
  • · Replies 4 ·
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4

Dealing with addition of cosntant to wave equation? Spherical Harmonics

  • Deathfrost
  • · Replies 13 ·
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13