Advanced Physics Homework Help Forum

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Threads

Occupation probabilities of atomic gas

  • bublik
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1

Finding Total Impulse of Charged Parallel-Plate Capacitor in Magnetic Field

  • ehrenfest
  • · Replies 14 ·
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14

Rotational and translational kinetic energy

  • maffra
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1

Relationship between Resistance and Capacitance in Weakly Conducting Material

  • ehrenfest
  • · Replies 12 ·
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12

Rotating Ideal Gas: Homework Eqns & Boltzmann Dist

  • Brewer
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2

Minimum Proton Energy for Producing Antiprotons

  • ehrenfest
  • · Replies 19 ·
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19

Astrophysics - How much CMB-photons do you absorb per second

  • Niles
  • · Replies 12 ·
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12

Comparing Efficiency of Solar Energy Trapping Methods

  • SMUDGY
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5

If k, m, and w are known, then r can be calculated.

  • cameo_demon
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1

Griffiths 6.5: Find Magnetic Field in Uniform Current Slab

  • ehrenfest
  • · Replies 7 ·
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7

Solving Phonon Excitation in Diatomic Lattices

  • aabb009
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1

When Does Helmholtz Free Energy Decrease?

  • wakko101
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4

Hydrogen Atom Hamiltonian & Schroedinger Equation

  • maria clara
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2
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1

How Do Hydrogen and Helium Recombination Ratios Differ at z=1600?

  • ak2478
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3

Solving Stellar Wind Virial Theorem for Exam

  • anthonyhollin
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1

What is the Young's Modulus of Copper?

  • groom03
  • · Replies 4 ·
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4
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4

How Does Changing Box Size Affect a Particle's Quantum State?

  • TPDC130
  • · Replies 3 ·
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3

"Particle in a Box" Measurement scenario

  • IHateMayonnaise
  • · Replies 5 ·
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5

Struggling with Jackson 3rd Ed Chapter 11 Question 12?

  • princess lea
  • · Replies 1 ·
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1

Stuck on Physics Homework: Q3 Part C

  • ehrenfest
  • · Replies 3 ·
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3

Tricky Integral, H-Atom Dipole Transition Matrix Elements

  • logic smogic
  • · Replies 6 ·
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6

Apologies for Inconvenience: We'll be Back Soon

  • alias25
  • · Replies 1 ·
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1

How Far Can We See in an Omega=1 Universe?

  • crayolajay
  • · Replies 2 ·
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2

How do concave mirrors form different types of images?

  • banana44
  • · Replies 1 ·
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1

Unambiguous Evidence for Weak Neutral Currents

  • hob
  • · Replies 2 ·
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2

Thermal Physics: Find d(1/T)/dp & d(V/T)/dH

  • billybob5588
  • · Replies 21 ·
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21

Divergence Theorem and Incompressible Fluids

  • Bucky
  • · Replies 1 ·
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1

What is the Correct Hamiltonian for an Isolated Gas and Piston System?

  • luisgml_2000
  • · Replies 1 ·
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1

How Does the Aberration of Light Explain the Apparent Position of Stars?

  • ehrenfest
  • · Replies 5 ·
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5

How Does Earth's Rotation Affect the Forces Acting on You at the Equator?

  • ehrenfest
  • · Replies 1 ·
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1

What is the true statement about Carnot engine efficiency?

  • newyork
  • · Replies 4 ·
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4

What is the Mean Energy Per Molecule for Rotational Energy in a Diatomic Gas?

  • luisgml_2000
  • · Replies 5 ·
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5

Finding the Equilibrium Temperature

  • vertices
  • · Replies 1 ·
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1

Question about quantum harmonic oscilator

  • Miguel Paramo
  • · Replies 5 ·
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5

Prove Lorentz Transformations: |E|>|cB| & Angle b/t E & B

  • LocationX
  • · Replies 1 ·
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1
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1
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7

How does entropy affect heat engines?

  • wakko101
  • · Replies 3 ·
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3

Polytropic process equation for finding final pressure and temperature

  • tweety_2479
  • · Replies 2 ·
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2

Solving Aircraft Velocity Problem: FBDs, a-sub-n & Force in x Direction

  • Jason03
  • · Replies 2 ·
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2

Understanding Kirchhoff's Loop Rule for Inductors and Resistors

  • ehrenfest
  • · Replies 5 ·
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5

Finding initial momentum in 2D collision between steel balls

  • sodr2
  • · Replies 4 ·
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4

Is Radial Acceleration Always Downward in Circular Motion?

  • Jason03
  • · Replies 8 ·
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8

Need help understanding Initial Mass Function

  • BERGXK
  • · Replies 6 ·
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6

Definition of Two-Level Systems in Quantum Mechanics

  • JK423
  • · Replies 1 ·
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1

Solving a Rollercoaster Problem: Confirmation Needed

  • Jason03
  • · Replies 1 ·
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1

Frequency Modulation: Amplitude, Max/Min Freq, Change Rate

  • ay2k
  • · Replies 1 ·
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1

Calculating Width of SM Higgs Two-Photon Channel

  • bonaventura2
  • · Replies 1 ·
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1
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1

QM - one-dimensional barrier - a simple step

  • maria clara
  • · Replies 7 ·
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7

Solving Waveguide Problem: Find E_{0z}

  • stunner5000pt
  • · Replies 10 ·
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10

Why Does the Hamiltonian Matrix Element <L|H|L> Equal E0?

  • maria clara
  • · Replies 6 ·
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6

Revive Resistance - Series & Parrallel

  • Chantry09
  • · Replies 1 ·
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1

Hubble's law and expansion question

  • tortin
  • · Replies 4 ·
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4

Faraday's law and a uniform magnetic field

  • ehrenfest
  • · Replies 3 ·
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3

Spherical Harmonic Decomposition of an image

  • FunkyDwarf
  • · Replies 1 ·
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1

Electric Potential for an Infinite line charge question

  • Impoor
  • · Replies 2 ·
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2

What is the relationship between Rayleighs and counts in a CCD?

  • Logarythmic
  • · Replies 2 ·
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2

Is Quantum Measurement Projective in GHZ States?

  • neu
  • · Replies 1 ·
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1

Stern-Gerlach Experimental Calculation

  • SharkyDx
  • · Replies 2 ·
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2
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8

Hookes law equation for all gauges of copper wire

  • groom03
  • · Replies 8 ·
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8

Calculate the charge per length for the capacitor

  • hot brain
  • · Replies 4 ·
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4

Hydrogen Atom Ground State Wavefunction Normalisation Solution

  • White Ink
  • · Replies 8 ·
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8

Wheatstone bridge/ strain gauge question

  • infernal
  • · Replies 1 ·
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1

How do I solve this dynamics problem involving a pulley?

  • Jason03
  • · Replies 17 ·
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17

Why can't a particle have negative kinetic energy in a finite potential well?

  • maria clara
  • · Replies 3 ·
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3

Understanding Why < x | f > = f ( x )

  • maria clara
  • · Replies 4 ·
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4

Solving the Langevin Equation w/ Newton's Second Law

  • ehrenfest
  • · Replies 2 ·
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2

Forced convection heat transfer problem

  • HugoR
  • · Replies 2 ·
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2

{Uncertainty Principal} Uncertainty in position and wave-vector

  • Liquidmoose
  • · Replies 2 ·
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2

Circuit with Inductor: Current, Battery, Resistor

  • wakko101
  • · Replies 1 ·
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1

Signal Beacon approaching Black Hole

  • waterboy613
  • · Replies 2 ·
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2

How Do Voltage and Current Behave in Series and Parallel Light Bulb Circuits?

  • Fire Slayer
  • · Replies 1 ·
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1

Rate of heat loss with two thermal conductivity values

  • flying fish
  • · Replies 7 ·
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7

What is the speed of the train based on sound wave frequency changes?

  • qustudent88
  • · Replies 1 ·
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1

Deriving the evolution operator with energy eigenstates

  • JK423
  • · Replies 6 ·
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6

Where Is the Neutral Point Between Earth and Moon's Gravitational Forces?

  • tascja
  • · Replies 29 ·
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29

Calculating Final Speed with Given Work

  • markmil2002
  • · Replies 2 ·
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2

How Does Increasing C Affect Trajectories in Lagrangian Mechanics?

  • rayohauno
  • · Replies 1 ·
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1

Calculating Quadrupole Moment of Sphere w/ Surface Charge

  • KleZMeR
  • · Replies 1 ·
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1

QM - Wedge-shaped potential - Uncertainty Principle

  • wombat4000
  • · Replies 7 ·
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7

One dimensional infinite potential well problem

  • krishnamraju
  • · Replies 5 ·
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5

What is the approximate quantum number of the electron?

  • jk4
  • · Replies 6 ·
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6

What is the meaning of the second equality in Griffiths equation 5.32?

  • ehrenfest
  • · Replies 10 ·
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10

Probability in first order time-dependent perturbation theory

  • Hanu
  • · Replies 1 ·
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1

Where Will Earth and Moon's Gravitational Forces Cancel Each Other?

  • hydrocarbon
  • · Replies 17 ·
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17
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1
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7

Proving J^α_{;α} = (1/√(-g))∂_α(√(-g)J^α)

  • Pacopag
  • · Replies 1 ·
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1

Force between two magnets as related to distance

  • Magnet4less
  • · Replies 3 ·
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3

How Does Friction Affect the Final Speed of a Particle on a Curved Path?

  • Picrill
  • · Replies 2 ·
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2

Which Mattress Offers Better Protection Against Radioactive Pea: Lead or Cotton?

  • iatesunshine
  • · Replies 1 ·
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1

Solve Electron Probability Density for Temp.

  • George Mahone
  • · Replies 2 ·
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2

Centripetal Acceleration in Terms of g?

  • tascja
  • · Replies 1 ·
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1

What is the Force Generated by a Non-Elliptical Orbit Planet?

  • Tom1
  • · Replies 4 ·
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4

Torque and angular momentum for a Particle in a Force Field

  • so09er
  • · Replies 2 ·
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2

Optical Path Length: Deriving Reflected Light on Lens Surface

  • kpl
  • · Replies 2 ·
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2