Advanced Physics Homework Help Forum

Post thread
Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.
What is the ratio of time for two twins to cross a river at different angles?
  • · Replies 11 ·
Replies
11
Views
4K
What is the phase difference between points P and R in Figure 4?
  • · Replies 2 ·
Replies
2
Views
3K
Evaluating commutator with hamiltonian operator
  • · Replies 1 ·
Replies
1
Views
16K
Using Hund's rules to calculate ground state of erbium
  • · Replies 1 ·
Replies
1
Views
5K
Solving 1-D Potential TISE Homework: Get Solutions & Calculate Energies
  • · Replies 1 ·
Replies
1
Views
2K
University Level Relativity: Relatavistic Decau Homework
  • · Replies 2 ·
Replies
2
Views
2K
How is the density of final states calculated in quantum mechanics?
  • · Replies 2 ·
Replies
2
Views
2K
I need the form of potential energy for a simple problem
  • · Replies 2 ·
Replies
2
Views
1K
At what position is the net electric field that is produced equal
  • · Replies 1 ·
Replies
1
Views
2K
Identical Particles Take Home exam :
  • · Replies 3 ·
Replies
3
Views
2K
Vector potential due to oscillating dipole
  • · Replies 6 ·
Replies
6
Views
4K
Calc EMF Induced in Flat Circular Coil: 100T, 10cm Radius
  • · Replies 4 ·
Replies
4
Views
11K
Coefficients of expansion and compressibility
  • · Replies 7 ·
Replies
7
Views
3K
Elementary particle Pauli’s exclusion principle
  • · Replies 5 ·
Replies
5
Views
3K
Explaining Hydrogen-Like Ions and Quantum Numbers for Li2+
  • · Replies 4 ·
Replies
4
Views
7K
Plotting ln(3+4i) on an Argand Diagram - Andrew's Query
  • · Replies 1 ·
Replies
1
Views
1K
Galilean Coordinate Transformation (Classical Relativity)
  • · Replies 1 ·
Replies
1
Views
4K
Hubble's constant and decelaration parameter
  • · Replies 2 ·
Replies
2
Views
2K
E1 Transitions: Finding the Minimal Emission Direction in a Hydrogen Atom
  • · Replies 1 ·
Replies
1
Views
3K
Understanding VOM Multimeter & Full-Scale
  • · Replies 1 ·
Replies
1
Views
2K
Heat diffusion equation solutions for semi-infinite slab
  • · Replies 1 ·
Replies
1
Views
9K
1-D harmonic oscillator problem
  • · Replies 4 ·
Replies
4
Views
7K
Which cube has a larger moment of inertia?
  • · Replies 1 ·
Replies
1
Views
6K
Prove Standard Formulae for cos(theta+phi) & sin(theta+phi)
  • · Replies 1 ·
Replies
1
Views
2K
Finding Net Force of Charged Sphere
  • · Replies 1 ·
Replies
1
Views
2K
What is the speed of the fluid when all of it is in the horizontal section?
  • · Replies 1 ·
Replies
1
Views
2K
Solving for Internal Resistance: Thenevin Equivalent Circuit Explained
  • · Replies 4 ·
Replies
4
Views
3K
Solving SHM: Find Amplitude, Velocity & Time
  • · Replies 1 ·
Replies
1
Views
2K
What is meant by thermal average ?
  • · Replies 1 ·
Replies
1
Views
14K
How Much Does the Caboose Weigh After a Collision?
  • · Replies 1 ·
Replies
1
Views
3K
A mechanics problem: two masses, one dangling from a table
  • · Replies 1 ·
Replies
1
Views
6K
Calculating Kinetic Energy of Electron & Neutrino in Beta Decay of Caesium
  • · Replies 1 ·
Replies
1
Views
2K
Solve Neutrino Oscillation Unit Conversion Problem
  • · Replies 2 ·
Replies
2
Views
5K
Method of Images in Electrostatics
  • · Replies 5 ·
Replies
5
Views
7K
Quantum:- SHO potential and its energy
  • · Replies 2 ·
Replies
2
Views
3K
Deriving Oscillating Universe Result: Need Help
  • · Replies 3 ·
Replies
3
Views
2K
What is the physical significance of an electric field divergance of zero?
  • · Replies 3 ·
Replies
3
Views
5K
Is My Procedure Correct for Charge Density and Electric Field?
  • · Replies 2 ·
Replies
2
Views
3K
Find the center of mass with tripl-integral
  • · Replies 13 ·
Replies
13
Views
3K
How to Minimize Vertical Vibrations in a Machine with a Vibration Absorber?
  • · Replies 1 ·
Replies
1
Views
2K
How Do You Solve the Vibration Equation of Motion?
  • · Replies 1 ·
Replies
1
Views
5K
Proof of Killing Vectors Commutator Theorem
  • · Replies 2 ·
Replies
2
Views
4K
Finding Acceleration of a Toy Rocket in Mid-Air | Space Physics Question
  • · Replies 1 ·
Replies
1
Views
1K
Optical Solitons - General understanding and Project ideas
  • · Replies 2 ·
Replies
2
Views
2K
Normalization of a Spherical Harmonic
  • · Replies 1 ·
Replies
1
Views
3K
Simple exponential multiplication (electron interfernce)
  • · Replies 2 ·
Replies
2
Views
2K
What is the velocity of the brick when it strikes the gutter?
  • · Replies 1 ·
Replies
1
Views
2K
Diagonalizing Martrix (S) question
  • · Replies 2 ·
Replies
2
Views
2K
Stuck on Problem 6.2 in Peskin's QFT Book?
  • · Replies 1 ·
Replies
1
Views
5K
Mean Value Theorem of Electrostatics
  • · Replies 11 ·
Replies
11
Views
8K
Solve Conservation of Energy & Momentum: Photon & Electron Collision
  • · Replies 4 ·
Replies
4
Views
2K
How Many Bright Fringes in Central Diffraction Maximum?
  • · Replies 1 ·
Replies
1
Views
10K
How do we find the null geodesic for a 2D spacetime with a positive constant?
  • · Replies 18 ·
Replies
18
Views
6K
Finding current in a complex circuit with resistors
  • · Replies 4 ·
Replies
4
Views
19K
Taylor Involved: Understanding Rotation Operators
  • · Replies 1 ·
Replies
1
Views
2K
Quantum mechanics - born approximation algebra
  • · Replies 2 ·
Replies
2
Views
2K
Solving Homework: Sigma w/ 2PI from Radial Potential?
  • · Replies 2 ·
Replies
2
Views
2K
A little help with Poynting's theorem interpretation?
  • · Replies 1 ·
Replies
1
Views
3K
How Much Does Samantha Age During Her Trip to Zircon?
  • · Replies 7 ·
Replies
7
Views
4K
Calculate Relativistic Mass of Combined Particle
  • · Replies 1 ·
Replies
1
Views
1K
Defining Expressions from the Equation of State
  • · Replies 14 ·
Replies
14
Views
3K
Special relativity/velocity transformations
  • · Replies 4 ·
Replies
4
Views
7K
Heat capacity ratio for diatomic gases
  • · Replies 1 ·
Replies
1
Views
13K
Yes/No question about Minkowski-diagrams
  • · Replies 1 ·
Replies
1
Views
1K
Quantum Mechanics algebra - complex analysis
  • · Replies 4 ·
Replies
4
Views
2K
Hydrogen Atom; energy state transitions
  • · Replies 5 ·
Replies
5
Views
4K
Another fourier transform nmr question work shown
  • · Replies 6 ·
Replies
6
Views
2K
How Does Finite Acquisition Time Affect the Spectrum of an NMR Signal?
  • · Replies 17 ·
Replies
17
Views
3K
Advance Calculating Internal Concentrations of Ions
  • · Replies 7 ·
Replies
7
Views
6K
Urgent Help Needed- Finding the speed at the centre of mass? Please help me
  • · Replies 1 ·
Replies
1
Views
2K
How Do You Calculate Speed and Momentum for a 2D Inelastic Collision?
  • · Replies 1 ·
Replies
1
Views
2K
How Does Gradient Direction Affect NMR Signal Characteristics?
  • · Replies 1 ·
Replies
1
Views
2K
What is the induced voltage in the tilted coil frame?
  • · Replies 8 ·
Replies
8
Views
5K
How do you work out the phase difference between 2 waves?
  • · Replies 1 ·
Replies
1
Views
9K
Angular acceleration and it's mass dependancy
  • · Replies 2 ·
Replies
2
Views
3K
Find Name of Physics Instrument by Wed | Help Needed
  • · Replies 1 ·
Replies
1
Views
2K
What Fraction of a Water Molecule's Mass is Hydrogen?
  • · Replies 2 ·
Replies
2
Views
3K
How to Solve Free Expansion of a Gas Problem?
  • · Replies 4 ·
Replies
4
Views
5K
The Lagrangian/Hamiltonian dynamics of a particle moving in a manifold
  • · Replies 1 ·
Replies
1
Views
2K
Is 600J the Minimum Heat Transfer to Maintain Entropy in a Thermodynamic Cycle?
  • · Replies 1 ·
Replies
1
Views
2K
Combining Errors for Trigonometric Functions: Understanding the Formula
  • · Replies 7 ·
Replies
7
Views
6K
Plasma Physics and Controlled fusion problems
  • · Replies 3 ·
Replies
3
Views
4K
Calculating Probability of Particle in First Excited State
  • · Replies 1 ·
Replies
1
Views
2K
How Does Bose-Einstein Condensation Affect Pressure in an Ideal Bose Gas?
  • · Replies 1 ·
Replies
1
Views
3K
Calculating number of ion channels in lipid bilayer
  • · Replies 6 ·
Replies
6
Views
5K
Neutron collision from com frame
  • · Replies 18 ·
Replies
18
Views
4K
Quantum physics - time dependant changes
  • · Replies 2 ·
Replies
2
Views
2K
Hamiltonian being a function of either orbital and spin operators
  • · Replies 1 ·
Replies
1
Views
2K
How to Solve Complex Fourier Transform of Exponential Functions?
  • · Replies 2 ·
Replies
2
Views
2K
Degenerate perturbation theory
  • · Replies 4 ·
Replies
4
Views
3K
Diameter of a wire with length, resistance and resistivity
  • · Replies 2 ·
Replies
2
Views
14K
How Are Irreducible Representations of O(3) and SO(3) Derived from SU(2)?
  • · Replies 4 ·
Replies
4
Views
3K
Energy Stored leading to Dielectric breakdown
  • · Replies 1 ·
Replies
1
Views
2K
Evaluating Integral with Spherical Coordinates Using 4-Vectors
  • · Replies 3 ·
Replies
3
Views
2K
How Are Time-Dependent and Time-Independent Coefficients Separated in TDSE?
  • · Replies 2 ·
Replies
2
Views
2K
Null geodesics of light from a black hole accretion disk
  • · Replies 2 ·
Replies
2
Views
3K
Can substitution solve the de sitter universe problem?
  • · Replies 1 ·
Replies
1
Views
2K
Find the hydrostatic force exerted on a sphere
  • · Replies 4 ·
Replies
4
Views
10K
Trouble with Orthogonality in Quantum Mechanics Algebra?
  • · Replies 6 ·
Replies
6
Views
2K
How Does Charge Density Inside a Conductor Dissolve Over Time?
  • · Replies 6 ·
Replies
6
Views
5K