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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.

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Energy Eigenvalue: Why is (psi)n=Asin(npix/L)?

asdf1
Dec 4, 2005 · Replies 5 · Dec 5, 2005

Replies: 5

Why Is the Particle in a Box Height Expressed in eV Instead of Meters?

asdf1
Dec 4, 2005 · Replies 5 · Dec 5, 2005

Replies: 5

Can Schrodinger's Equation be Transformed into Spherical Polar Coordinates?

asdf1
Dec 4, 2005 · Replies 3 · Dec 5, 2005

Replies: 3

Electric Field Due to Point Charges?

ylem
Dec 4, 2005 · Replies 3 · Dec 5, 2005

Replies: 3

Can an Artillery Cannon Hit Any Target on This Surface?

emptymaximum
Dec 2, 2005 · Replies 14 · Dec 5, 2005

Replies: 14

What Is the Variation of the Action?

alfredblase
Dec 3, 2005 · Replies 2 · Dec 4, 2005

Replies: 2

Distance Earth-Saturn: Solving the Doppler Effect

luminether
Dec 4, 2005 · Replies 2 · Dec 4, 2005

Replies: 2

Why does the wave function have to be normalizabled

asdf1
Dec 3, 2005 · Replies 6 · Dec 4, 2005

Replies: 6

Understanding Coupled Oscillators: Solving for Forces on Two Masses

Tuneman
Dec 3, 2005 · Replies 3 · Dec 3, 2005

Replies: 3

Observables of position and momentum have a continuous spectrum

asdf1
Dec 3, 2005 · Replies 2 · Dec 3, 2005

Replies: 2

Constructing the central potential from the orbit

Chen
Dec 2, 2005 · Replies 5 · Dec 3, 2005

Replies: 5

Finding Bohr Orbit's Quantum # for 0.01mm Hydrogen Atom

asdf1
Dec 2, 2005 · Replies 2 · Dec 3, 2005

Replies: 2

Solve LaGrange Problem: Rod of Length L & Disk of Radius R

don_anon25
Dec 1, 2005 · Replies 1 · Dec 3, 2005

Replies: 1

Period of small oscillations in central potential

Chen
Dec 2, 2005 · Replies 2 · Dec 3, 2005

Replies: 2

How Do You Solve the 3D Non-Isotropic Oscillator Numerically?

emptymaximum
Nov 30, 2005 · Replies 57 · Dec 2, 2005

2

Replies: 57

Calculating Ratio of Electron and Positive Ion Mean Free Paths in an Ionised Gas

RichRobX
Dec 1, 2005 · Replies 1 · Dec 2, 2005

Replies: 1

Line element in spherical coordinates

broegger
Dec 2, 2005 · Replies 2 · Dec 2, 2005

Replies: 2

How to Convert Cp to Cv for Metals?

Walkingman
Dec 1, 2005 · Replies 3 · Dec 1, 2005

Replies: 3

Why Does the Disk Have Two Moments of Inertia?

don_anon25
Dec 1, 2005 · Replies 4 · Dec 1, 2005

Replies: 4

Re: Polarization with three 45 degree polarizers

shawonna23
Dec 1, 2005 · Replies 1 · Dec 1, 2005

Replies: 1

How Does Wall Composition Affect Heat Loss in a House?

beanryu
Dec 1, 2005 · Replies 4 · Dec 1, 2005

Replies: 4

Info on wave mechanics prob in one dimension need

belleamie
Dec 1, 2005 · Replies 1 · Dec 1, 2005

Replies: 1

Understanding the Variation of Poincaré Invariant Action

alfredblase
Nov 30, 2005 · Replies 3 · Dec 1, 2005

Replies: 3

How Does Changing Barrier Width and Parameters k1, k2 Affect Quantum Tunneling?

leila
Dec 1, 2005 · Replies 1 · Dec 1, 2005

Replies: 1

How Do Elastic and Inelastic Collisions Differ in Complex Systems?

BananaMan
Nov 29, 2005 · Replies 11 · Dec 1, 2005

Replies: 11

Mass and linear absorption coefficients of air for Cr K(alpha) X-rays

asdf1
Nov 29, 2005 · Replies 4 · Dec 1, 2005

Replies: 4

Magnetic Field of a long straight wire

stunner5000pt
Nov 28, 2005 · Replies 1 · Dec 1, 2005

Replies: 1

Insight needed into electromagnetism problem

Finestructure
Nov 29, 2005 · Replies 2 · Nov 30, 2005

Replies: 2

Can any antiparticle be created during energy to matter conversion?

sruthisupriya
Nov 30, 2005 · Replies 3 · Nov 30, 2005

Replies: 3

Calculate K Excitation Voltage & Wavelength of Copper

asdf1
Nov 29, 2005 · Replies 3 · Nov 30, 2005

Replies: 3

Poincaré invariant action of a point particle

alfredblase
Nov 29, 2005 · Replies 4 · Nov 30, 2005

Replies: 4

Solve Multipole Expansion Problem: Find Exact Potential on Z Axis

laminatedevildoll
Nov 30, 2005 · Replies 2 · Nov 30, 2005

Replies: 2

Understanding Circular Orbits and Central Forces and Explanation

fahd
Nov 30, 2005 · Replies 1 · Nov 30, 2005

Replies: 1

Light Intensity through glass blocks

Fosock
Nov 29, 2005 · Replies 2 · Nov 29, 2005

Replies: 2

How Does Temperature Influence Grandfather Clock Timing?

gapgirl1010
Nov 28, 2005 · Replies 4 · Nov 29, 2005

Replies: 4

Solve Neutrino Oscillations Homework: Eigenspinors & Particle Masses

Pietjuh
Nov 28, 2005 · Replies 1 · Nov 28, 2005

Replies: 1

Why Are Electric Dipole Selection Rules Confusing on the GRE?

yosofun
Nov 10, 2005 · Replies 3 · Nov 27, 2005

Replies: 3

Boltzmanns statistics and phase space

2bootspizza
Nov 25, 2005 · Replies 14 · Nov 27, 2005

Replies: 14

How can I convert unit vectors from cartesian to spherical polar coordinates?

Beer-monster
Nov 27, 2005 · Replies 2 · Nov 27, 2005

Replies: 2

QM- Tiny question on sigma & pi bonding states

Lisa...
Nov 27, 2005 · Replies 1 · Nov 27, 2005

Replies: 1

Is the 2s Hydrogen Atom Wavefunction Normalized?

Reshma
Nov 16, 2005 · Replies 12 · Nov 27, 2005

Replies: 12

How Does the Weight of a Pendulum Affect Its Motion?

gapgirl1010
Nov 22, 2005 · Replies 8 · Nov 27, 2005

Replies: 8

How is the Lagrangian Derived for a Two-Mass Spring System?

don_anon25
Nov 26, 2005 · Replies 1 · Nov 26, 2005

Replies: 1

Solving Minimizing Arc Length: Euler-Lagrange Equations

don_anon25
Nov 26, 2005 · Replies 1 · Nov 26, 2005

Replies: 1

Is There a Way to Prove Normalization of the BCS Equation?

michaeltorrent
Nov 23, 2005 · Replies 5 · Nov 25, 2005

Replies: 5

Calculating Escape Speed and Orbital Energy in Universal Gravitation

dekoi
Nov 24, 2005 · Replies 3 · Nov 25, 2005

Replies: 3

How Does the London van der Waals Force Relate to the Casimir Effect?

Kruger
Nov 24, 2005 · Replies 2 · Nov 25, 2005

Replies: 2

What is the resulting compressional force on Earth?

dekoi
Nov 24, 2005 · Replies 3 · Nov 24, 2005

Replies: 3

How to Calculate Speed and Collisions of Insulating Objects in Electric Fields?

dekoi
Nov 24, 2005 · Replies 2 · Nov 24, 2005

Replies: 2

QM - Operator Algebra Problem 2.7 Rojansky

NoPhysicsGenius
Nov 24, 2005 · Replies 2 · Nov 24, 2005

Replies: 2

What is the method for calculating ion radii in a NaCl structure?

broegger
Nov 21, 2005 · Replies 6 · Nov 24, 2005

Replies: 6

Mean Free Path of an Electron -

dekoi
Nov 23, 2005 · Replies 4 · Nov 23, 2005

Replies: 4

Forces in Equilibrium: Investigating a Physics Problem

The Bob
Nov 23, 2005 · Replies 2 · Nov 23, 2005

Replies: 2

Magnetic Field of a long wire bent into a shape

stunner5000pt
Nov 21, 2005 · Replies 8 · Nov 23, 2005

Replies: 8

Magnetic Field of a Bent Wire: Point A & B Analysis

stunner5000pt
Nov 21, 2005 · Replies 11 · Nov 23, 2005

Replies: 11

What Is the Coefficient of Drag for a Tennis Ball?

Bonulo
Nov 19, 2005 · Replies 2 · Nov 23, 2005

Replies: 2

Which Shape Maximizes the Magnetic Field at the Center: Circle or Square?

stunner5000pt
Nov 22, 2005 · Replies 4 · Nov 22, 2005

Replies: 4

Explaining Why Lasers are Easy to See on Projector Screens

doctortim
Nov 21, 2005 · Replies 4 · Nov 22, 2005

Replies: 4

Kinetic theory of gases in cylinder

abstrkt
Nov 22, 2005 · Replies 1 · Nov 22, 2005

Replies: 1

Differential equation based on Kirchoff's voltage law

asdf1
Nov 21, 2005 · Replies 2 · Nov 22, 2005

Replies: 2

Calculating fermi energyfor magnesium

starissomewhat
Nov 21, 2005 · Replies 1 · Nov 22, 2005

Replies: 1

Movement of Center of Mass for a Pulled Down Cable

standardflop
Nov 10, 2005 · Replies 10 · Nov 21, 2005

Replies: 10

Arbitrary travelling wave on string (griffiths 9.5)

DE7
Nov 21, 2005 · Replies 1 · Nov 21, 2005

Replies: 1

Gaussean Surfaces [Can they pass through charge distributions?]

maverick280857
Nov 11, 2005 · Replies 25 · Nov 21, 2005

Replies: 25

Effect of Fringing on Capacitance

maverick280857
Nov 14, 2005 · Replies 3 · Nov 21, 2005

Replies: 3

Point charge placed in the vicinity of two plates

maverick280857
Nov 15, 2005 · Replies 4 · Nov 21, 2005

Replies: 4

Find # of Independent Components of Riemann Curvature in D Dimensions

dextercioby
Nov 15, 2005 · Replies 2 · Nov 21, 2005

Replies: 2

How to Find the Density of an Ideal Gas Around a Planet?

goulio
Nov 20, 2005 · Replies 9 · Nov 21, 2005

Replies: 9

How Far Can a Person Walk on an Overhanging Plank Before It Tips?

TastyTyr
Nov 20, 2005 · Replies 3 · Nov 20, 2005

Replies: 3

What's the magnitude of the magnetic force acting on the particle?

lonelygirl
Nov 20, 2005 · Replies 5 · Nov 20, 2005

Replies: 5

Why does charge accumulate at the sharpest point?

jdstokes
Nov 18, 2005 · Replies 7 · Nov 20, 2005

Replies: 7

Calculating Pool Depth with 48 Degrees Depression Angle

arvin305
Nov 20, 2005 · Replies 1 · Nov 20, 2005

Replies: 1

Is the Condition for an Energy Gap Equivalent to Bragg Refraction?

painfive
Nov 20, 2005 · Replies 1 · Nov 20, 2005

Replies: 1

Bragg Diffraction: Axes Length for FeO, CoO, NiO

broegger
Nov 18, 2005 · Replies 5 · Nov 20, 2005

Replies: 5

Calculating Frequency of Oscillation of Plank on Rotating Wheels

noblesavage8
Nov 18, 2005 · Replies 2 · Nov 20, 2005

Replies: 2

Magnetic field for a single-layer solenoid

asdf1
Nov 19, 2005 · Replies 2 · Nov 20, 2005

Replies: 2

Can a Rotation of 180º Leave a Spin-2 System Hamiltonian Unchanged?

shetland
Nov 19, 2005 · Replies 4 · Nov 19, 2005

Replies: 4

Numeric algorithm (of projectile motion with drag)

Bonulo
Nov 16, 2005 · Replies 1 · Nov 19, 2005

Replies: 1

Distribution function of an ideal gas

gdumont
Nov 18, 2005 · Replies 3 · Nov 18, 2005

Replies: 3

Find the tension a in the string as a function of height a

pyrothai
Nov 16, 2005 · Replies 2 · Nov 18, 2005

Replies: 2

Solving Atom Velocity in Non-relativistic Limit

Chen
Nov 18, 2005 · Replies 4 · Nov 18, 2005

Replies: 4

How Do You Solve These Thermodynamics Problems?

ChronicQuantumAddict
Nov 18, 2005 · Replies 6 · Nov 18, 2005

Replies: 6

How Do You Calculate Time in the Brachistochrone Problem?

hriby
Nov 18, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

Come help me determine how bad I choked on my modern physics test>_<

schattenjaeger
Nov 16, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

What is the EMF generated in the loop?

iggybaseball
Nov 17, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

Force and Torque of a Clockwise Current Loop in Magnetic Field

stunner5000pt
Nov 17, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

Is This Thermodynamics Engine Claim Viable for Investment?

ChronicQuantumAddict
Nov 17, 2005 · Replies 3 · Nov 18, 2005

Replies: 3

Does Converting Water to Ice Increase the Entropy of the Universe?

ChronicQuantumAddict
Nov 18, 2005 · Replies 1 · Nov 18, 2005

Replies: 1

Entropy and damping osscilations

ilovephysics
Nov 17, 2005 · Replies 2 · Nov 18, 2005

Replies: 2

How Does a Cavity and Geometry Affect Electric Fields in Linear Dielectrics?

mathlete
Nov 17, 2005 · Replies 1 · Nov 17, 2005

Replies: 1

Where Can I Find the Value of the Sum of 1/n² for Odd n Only?

*melinda*
Nov 17, 2005 · Replies 3 · Nov 17, 2005

Replies: 3

Lagrangian Dynamics problem - with setup

don_anon25
Nov 17, 2005 · Replies 1 · Nov 17, 2005

Replies: 1

Some one me with part B. (Simple Harmonic Motion)

bochai
Nov 16, 2005 · Replies 3 · Nov 17, 2005

Replies: 3

Lower Indices Tensor in Special Relativity: What to Know?

Palindrom
Nov 17, 2005 · Replies 5 · Nov 17, 2005

Replies: 5

Proving Force on Arbitrary Wire Same as Straight Wire

stunner5000pt
Nov 15, 2005 · Replies 5 · Nov 16, 2005

Replies: 5

How to Estimate Contact Time Between Racquet and Tennis Ball?

standardflop
Nov 15, 2005 · Replies 8 · Nov 16, 2005

Replies: 8

Solving Harmonic Oscillator Coefficients w/ Hermite Polynomials

Sojourner01
Nov 16, 2005 · Replies 1 · Nov 16, 2005

Replies: 1

Solving for Diameter and Mass of a New Kuiper Object with a Satellite

astronomystudent
Nov 16, 2005 · Replies 3 · Nov 16, 2005

Replies: 3

Solving a Tutorial Problem on Bravais Lattice

retupmoc
Nov 15, 2005 · Replies 1 · Nov 16, 2005

Replies: 1

Magnetic Field and direct integration

stunner5000pt
Nov 15, 2005 · Replies 2 · Nov 15, 2005

Replies: 2

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Advanced Physics Homework Help

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