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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Falling Water Droplet Homework: Show Radius & Speed Increase Linearly over Time
- Varnson
- · Replies 1 ·
Collision of B1 & B2: Solving the Homework Statement
- sam.
- · Replies 1 ·
Stern-Gerlach Probability: Find the Probability
- cscott
- · Replies 5 ·
Solve Electric Field Problem with Two Point Charges
- Ryo124
- · Replies 1 ·
Calculating Electric Field Strength: Van de Graaff Problem Solution
- Ryo124
- · Replies 1 ·
Decay of Alpha Particle Through Quantum Tunneling
- OhMyGod
- · Replies 1 ·
Photoelectric effect, retarding potential
- howin
- · Replies 3 ·
Zwiebach Page 154 Homework: Equation (9.19)
- Jimmy Snyder
- · Replies 8 ·
GRE Question (QM, Perturbation theory?)
- HungryChemist
- · Replies 3 ·
What is the missing factor in equations (10.58) and (10.60)?
- Jimmy Snyder
- · Replies 4 ·
Simple Harmonic Motion of springs
- aurora14421
- · Replies 24 ·
Zwiebach question with link to text
- ehrenfest
- · Replies 2 ·
Zwiebach 9.3e: Relating τ to X0 & Angular Frequency
- ehrenfest
- · Replies 1 ·
Zwiebach Exercise 9.3b: Solving for 4a in Equation 9.10
- ehrenfest
- · Replies 3 ·
Transformations of Basis Vectors on Manifolds
- ehrenfest
- · Replies 2 ·
Infinite Well Solutions: How Can Different Techniques Yield Contrasting Results?
- ehrenfest
- · Replies 7 ·
How Do I Solve This Projectile Motion Problem?
- DanielP
- · Replies 3 ·
Boundary conditons and initial conditions of a vibrating rod
- yukawa
- · Replies 2 ·
How Does Spring Configuration Limit Mass Movement in Physics?
- cscott
- · Replies 5 ·
Zwiebach Equation 9.80: Why M^2 = -p^2?
- ehrenfest
- · Replies 2 ·
What is the unique drift speed for a charged particle in crossed E and B fields?
- num1cutiey
- · Replies 2 ·
Heisenberg Equations of Motion, Solving for S(t) in Spin Precession problem
- logic smogic
- · Replies 4 ·
Solve GRE Problem: LC Circuit Maximum Power Output
- HungryChemist
- · Replies 1 ·
Useful Raising/Lowering Operator Equation, Quick derivation help
- logic smogic
- · Replies 3 ·
Calculating Energy for Exciting an Electron in a 1D Box
- kasse
- · Replies 8 ·
Moment of inertia for thin uniform rectangle/hexagon
- rundream
- · Replies 1 ·
Calculating the Magnitude of a Force
- Lorelyn
- · Replies 5 ·
Verify "Explicitly" 9.3: Zwiebach Page 159
- ehrenfest
- · Replies 1 ·
GRE Quetion (QM, Electric Transition)
- HungryChemist
- · Replies 1 ·
What is the electric potential energy in joules of two electrons
- BrianR84
- · Replies 1 ·
Static Gauges in String Theory - Zwiebach Ch. 6
- ehrenfest
- · Replies 5 ·
Find Commutation Relation for [x_i, p_i^n p_j^m p_k^l] - Help Appreciated
- indigojoker
- · Replies 6 ·
What do the three indices in \Gamma ^a_{bc} represent in the unit sphere?
- ehrenfest
- · Replies 46 ·
How Do E-Field Lines Behave Between Finite Coaxial Cylindrical Conductors?
- cscott
- · Replies 1 ·
What is the commutator of x1 and the translation operator?
- indigojoker
- · Replies 1 ·
QM: translation and rotation operators : what's the point?
- koroljov
- · Replies 4 ·
How to calculate center of mass of the polymer from atomic coordinates?
- Kimko
- · Replies 7 ·
How Do You Calculate the Dynamics of Saturn V's Launch?
- leanh6790
- · Replies 1 ·
Co-60 Gamma Spectroscopy - What Can We Learn?
- indigojoker
- · Replies 1 ·
Help on Uniform Circular Motion Problem Please
- sam.
- · Replies 1 ·
* Using Lorentz transform to find velocity of rod
- Odyssey
- · Replies 1 ·
Can Anyone Help with Solving These Wave Packet Problems?
- jmml
- · Replies 6 ·
Matrix Representation of S_z Using Eigenkets of S_y
- indigojoker
- · Replies 2 ·
Know where to find any Quantum Mechanics practice problems?
- kankerfist
- · Replies 3 ·
Showing position vector follows parabolic path
- physicspupil
- · Replies 3 ·
How Do Quantum Mechanics Commutation Rules Apply to Operator Functions?
- guruoleg
- · Replies 8 ·
Speed of body traveling in elliptical path
- Varnson
- · Replies 3 ·
Calculate Min Speed of Electron from Neutron Star in Nebula
- JTraik
- · Replies 2 ·
I was just wondering what a two component spinor was
- indigojoker
- · Replies 1 ·
Which Equation Should Be Used for QC 8.7 in Zwiebach?
- ehrenfest
- · Replies 4 ·
What Is the Energy of a 1m Magnetic Field with 1T Strength?
- pivoxa15
- · Replies 3 ·
How much heat is needed to evaporate water at 2 bar?
- Dili
- · Replies 2 ·
Does a Dielectric Sphere in a Uniform Electric Field Exhibit Azimuthal Symmetry?
- luisgml_2000
- · Replies 1 ·
How to define the lower indexed tensor
- ehrenfest
- · Replies 5 ·
Squaring a Bra: Understanding the Order of <\phi|^2 and <\phi|\phi>
- ultimateguy
- · Replies 8 ·
Understanding Variational Calculus: A String Theory Question
- ehrenfest
- · Replies 5 ·
Solving 1D Quantum Potential Well Problem
- December
- · Replies 5 ·
Where is the Definition of Apsidal Vectors? Goldstein's Classical Mechanics Book
- ehrenfest
- · Replies 1 ·
Relativistic Energy of Omega- particle
- lylos
- · Replies 10 ·
How to calculate the carrier concentration
- myousuf
- · Replies 4 ·
Solving Physics Problem Involving Time Dilation and Length Contraction
- VenomHowell15
- · Replies 8 ·
Calculate the electric potential and field
- jlucas134
- · Replies 3 ·
What is the significance of thickness in terms of particle physics?
- touqra
- · Replies 2 ·
Closed Orbit of Binary Planet System: Calculate Y-Velocity at (0,1)
- ehrenfest
- · Replies 8 ·
How Do You Calculate Max Energy in Particle Accelerator Collisions?
- astrochick1133
- · Replies 1 ·
Energy required to heat a house with insulated walls
- physicnow
- · Replies 5 ·
Proving the Limit of Dirac Delta from Normal Distribution
- ehrenfest
- · Replies 5 ·
What is the proof for the expectation value of a quantum system?
- Warr
- · Replies 4 ·
Electric Potential: x,y,z Components & Zero Points
- sbe07phy
- · Replies 4 ·
Quantum Well Problems: Solving Large K1 and K2 Values
- fahmed6
- · Replies 4 ·
Comparing K-Characteristic X-Ray Energies of Carbon & Magnesium
- neelakash
- · Replies 1 ·
Functions, operator => eigenfunction, eigenvalue
- sundriedtomato
- · Replies 9 ·
Angular Acceleration Problem: Solving for 0.5 rad/s^2 in Fixed Axis Rotation
- physicnow
- · Replies 2 ·
Solving Quantum Well Problems: K1 & K2
- fahmed6
- · Replies 8 ·
How Fast Should Archer Fish Shoot Water to Hit a Spider?
- thomask
- · Replies 1 ·
Relativity Question with Lorentz tranformations
- sr6622
- · Replies 1 ·
Radiative Transfer (Optically Thin Cloud)
- cepheid
- · Replies 2 ·
Solving the Steam & Ice Temperature Problem - Need Help!
- physicnow
- · Replies 1 ·
What Are the Energies in the Bohr Model of a Hydrogen Atom?
- jamespetrovitch
- · Replies 1 ·
What Forces Act on a Rod Stabilized by Three Fulcrum Points?
- phymind
- · Replies 3 ·
How Do You Calculate Tunneling Probability for an Electron?
- E1982
- · Replies 18 ·
Forced, Damped Harmonic Oscillation
- smithg86
- · Replies 1 ·
Uncertainty principle and ice pick
- indigojoker
- · Replies 1 ·
Finding Velocity & Error Analysis from Position vs Time Data
- eg24041
- · Replies 1 ·
Calculate Surface Charge Densities for Parallel Plates
- tigigi
- · Replies 1 ·
Solving Aerodynamics Homework: Free Vortex near Infinite Plane
- jstrz13phys
- · Replies 6 ·
Is This a Taylor Expansion in My EM Homework Solution?
- tigigi
- · Replies 2 ·
Solving Zwiebach 6.1: Stretched String & Nonrelativistic Limit
- ehrenfest
- · Replies 7 ·
E-Field Calc: Hollow Cylinder E-Fields
- cscott
- · Replies 6 ·
QM Linear Algebra: Compute Matrix Exponential & Verify Unitarity
- cscott
- · Replies 14 ·
Please help electric field and electric potential
- plano1239
- · Replies 6 ·
Is the Christoffel Symbol Zero for Diagonal Metrics?
- ehrenfest
- · Replies 10 ·
Compute Variance of Random Variable X
- cscott
- · Replies 1 ·
How Does a Perturbation Affect the Ground State Energy of a Harmonic Oscillator?
- malawi_glenn
- · Replies 0 ·
How Do You Calculate the Initial Velocity of a Projectile from Launch Times?
- sweetcomedygirl
- · Replies 2 ·
Proof of Bra-Ket Algebra: (XY)^(dagger)=(Y)^(dagger)(X)^(dagger)
- indigojoker
- · Replies 23 ·
How Does Temperature Affect the Intensity Spectrum in Planck's Radiation Law?
- sanitykey
- · Replies 5 ·
Matrix Representation: What Happens to |a''><a'|?
- indigojoker
- · Replies 2 ·
What are the problems that need help with?
- obnoxious
- · Replies 3 ·
Density Operator for 2 Systems: Pure State
- PhysiSmo
- · Replies 2 ·