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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Integration by Parts in Zee's QFT: Understanding Eq. (14) to Eq. (15)
- noospace
- · Replies 1 ·
Impact Parameter, Closest Approach
- genloz
- · Replies 10 ·
Explain Zwiebach Problem 12.9 Second Equalities
- ehrenfest
- · Replies 2 ·
What are the eigenvalues of L operators?
- El Hombre Invisible
- · Replies 6 ·
Are Colour Degrees of Freedom Relevant in e+e- Annihilation Cross Section?
- genloz
- · Replies 6 ·
Deriving Equation for Multi-Variable Case in Zee's Quantum Field Theory
- noospace
- · Replies 2 ·
Can Baker-Hausdorff lemma be used to prove this operator relation?
- Ene Dene
- · Replies 2 ·
Understanding Zwiebach's Problem 12.8: Case Analysis of m,n>0 and m≠n
- ehrenfest
- · Replies 6 ·
Solving Permutation Operator Homework
- cks
- · Replies 1 ·
What Force Does the Spaceship Exert on the Astronaut?
- uptaylorj491
- · Replies 1 ·
Constructing a Joule Car: Utilizing Gravitational Potential Energy
- soulkiller
- · Replies 1 ·
Solving for the Ground State Energy of a Finite Spherical Well: Homework Help
- Rahmuss
- · Replies 1 ·
Quantum Queries on the Harmonic Oscillator
- T-7
- · Replies 2 ·
Calculating Z boson and J/ψ partial widths and lifetimes
- genloz
- · Replies 1 ·
What is the recoil speed of a rifle after firing a bullet at 124m/s?
- Heathgirl08
- · Replies 1 ·
Solve Torque & Equilibrium Homework
- tyerra123
- · Replies 1 ·
How to Calculate EMF and Internal Resistance in a Circuit?
- AdrianP123
- · Replies 1 ·
Finding Eigenstates of Spin Operators in Quantum Mechanics
- SunGod87
- · Replies 2 ·
Propagators Homework: Understanding K(x,t;x',0) & More
- ehrenfest
- · Replies 1 ·
Solving Nuclear Fission Reactions & Calculating Energy Released
- david1362
- · Replies 5 ·
Fourier Transform Power Spectrum
- cscott
- · Replies 4 ·
Particle in a Box: Is Ground State an Eigenstate of Lz?
- 1Fizziks8r
- · Replies 1 ·
Pushing a ball through a viscous fluid
- Kimko
- · Replies 1 ·
I do still not understand definition of potential well
- vupipi
- · Replies 3 ·
Can Refraction in Water Change the Focal Length of a Camera?
- mirurus
- · Replies 2 ·
What is the tension in the stretched rope?
- fiziksfun
- · Replies 2 ·
How can test functions help understand commutation relations?
- silimay
- · Replies 2 ·
Finding Maximum and Minimum Electron Energy in Muon Decay
- Tolya
- · Replies 37 ·
How to Calculate Angles Between Crystal Planes Using Miller Indices?
- talented
- · Replies 3 ·
Clocks on spaceship travelling at the speed of light
- physics2460
- · Replies 10 ·
Calculating Energy Released Per Proton & Mass Converted to Energy/sec
- Qyzren
- · Replies 3 ·
Calculating Terminal Velocity in a Fluid
- jldavid
- · Replies 1 ·
Help me please i need solutions please
- kissatlips
- · Replies 1 ·
Finding Eigenvalues with the Determinant Method
- cscott
- · Replies 4 ·
Linear Triatomic Molecule Hamiltonian Eigenvalues
- ultimateguy
- · Replies 1 ·
Solve Gyroscope Problem: Find Force & Angular Speed
- akozaro8
- · Replies 8 ·
Kinematics of particle & acceleration
- Lebelee
- · Replies 2 ·
What Physical Situation is Governed by the Standard SHO Potential?
- ehrenfest
- · Replies 3 ·
Help a mature student Friedmann equation
- stormymouse
- · Replies 3 ·
Simplifying Lagrange's Equations for a System of Connected Masses
- Quinner
- · Replies 6 ·
Electron confined to a rectangle with walls
- quantum_prince
- · Replies 9 ·
Where Is the Mistake in the Relativity Problem with Moving Rods?
- alvaros
- · Replies 2 ·
Prove Wien Displacement Law & Find x with Plank's Formula
- vahide
- · Replies 1 ·
Possibility of pair Production without interaction with matter?
- JamesJames
- · Replies 16 ·
How Can Electrons Travel Close to Light Speed While Remaining So Light?
- transgalactic
- · Replies 1 ·
What is the solution to Zwiebach eqn (17.44) on page 395?
- Jimmy Snyder
- · Replies 6 ·
Electromagnetism: Difference Between Thermal Motion & Drift Velocity
- nafees ahmad
- · Replies 3 ·
Delta Function Well and Uncertainty Principle
- dwintz02
- · Replies 2 ·
Which colour of light is diffracted most through diffractional grating?
- Ahmed Abdullah
- · Replies 1 ·
Distance actually travelled by a photon
- vikter
- · Replies 1 ·
S.Carrol Exercise G.10: Proving Conformal Killing Vector
- chronnox
- · Replies 1 ·
How to Determine Electric Displacement in a Linear Dielectric Capacitor?
- stunner5000pt
- · Replies 3 ·
Why Is the Pump Located at the End of the Reservoir System?
- ko_kidd
- · Replies 3 ·
Skiing Downhill: Calculating Woman's Height & Angle After Hitting Giant Snowball
- nick227
- · Replies 2 ·
Prove the following identities using index notation
- ponjavic
- · Replies 6 ·
Probability of Finding Particle in New Potential for Doubled Spring Constant
- kl14
- · Replies 5 ·
Derivation for Magnetic Dipole of Current Loop
- newbie101
- · Replies 7 ·
Infinite Cubical Well in Cartesian Coordinates
- Rahmuss
- · Replies 7 ·
Given a Hamiltonian, find eigenvalues and eigenvector
- mudyos
- · Replies 5 ·
Solve Box Potential Problem: Find Wave Functions & Express in Sine/Cosine
- quantum_prince
- · Replies 2 ·
What Is the Orbit Radius of Two Equal-Mass Particles?
- FissionMan1
- · Replies 5 ·
Why Do Orbiting Particles Collide in Tau/4√2 After an Instant Stop?
- ehrenfest
- · Replies 9 ·
E&M Toroidal Magnets: B, H, M Magnitudes
- Qyzren
- · Replies 2 ·
Nuclear fission and amount of U-235 used
- FinSanity
- · Replies 1 ·
Conservation of Enery (roller coaster)
- Carpe Mori
- · Replies 2 ·
How Do Thermal States Affect Single-Mode Light Cavities?
- guruoleg
- · Replies 2 ·
Yet another mind-blowing quantum mechanics question
- guruoleg
- · Replies 4 ·
Determine the energy levels, their degeneracy and wave functions of a particle
- noospace
- · Replies 3 ·
Lifetime an atom can spend in an excited state
- randa177
- · Replies 2 ·
Understanding Quantum Wave Packets: How to Derive the Schrodinger Equation
- silimay
- · Replies 2 ·
Calculating Normal force when object it in circular motion.
- Kingrick
- · Replies 4 ·
Error Analysis Help: Line of Best Fit with Error Bars
- $id
- · Replies 2 ·
Is Angular Momentum Conserved in Modified Newtonian Dynamics?
- airbauer33
- · Replies 1 ·
Ion Thruster Problem: Calculating Xenon Needed for GEO Orbit
- ColdFusion85
- · Replies 12 ·
How Do You Calculate <A|0> in a Free Field Theory?
- hawcheese
- · Replies 1 ·
What is the solution for the quantum homework questions?
- noospace
- · Replies 2 ·
Normal Force Calculation for Loop-the-Loop Block: Physics Homework Solution
- Kingrick
- · Replies 3 ·
Electric Field in Dielectric: Charge Distribution & Calculations
- Qyzren
- · Replies 2 ·
Change in entropy, Gibbs and Helmholtz in an isothermal compression
- T-7
- · Replies 2 ·
Difficult quantum mechanics question
- guruoleg
- · Replies 10 ·
Finding Energy and Distance in a Hydrogen Atom using Uncertainty Principle
- neelakash
- · Replies 1 ·
How is the EM-Force between current wires calculated in this problem?
- theperthian
- · Replies 1 ·
Calculating Neutrino Energy Released in Supernova 1987A using Flux and Distance
- Qyzren
- · Replies 2 ·
What is the Hamiltonian operator for a spin 1/2 particle in a magnetic field?
- ultimateguy
- · Replies 12 ·
Calculating Plane Velocity with Wind: 200 km/h Airspeed, 50.0 km/h West Wind
- rhxoehwhfh
- · Replies 2 ·
How Do You Calculate the Velocity of a Planet in Orbit?
- ehrenfest
- · Replies 1 ·
Figuring out if the state x is an eigen state of the hamiltonian
- quantum_prince
- · Replies 13 ·
How Does Spin-Orbit Coupling Affect Energy Levels in a Hydrogen Atom?
- noospace
- · Replies 3 ·
Miller Indices & Packing Density for HCP Unit Cells
- talented
- · Replies 1 ·
To check if these wave functions are normalized to 1
- quantum_prince
- · Replies 12 ·
How to Write M(x,x') in Dirac Notation?
- raj2004
- · Replies 13 ·
Determine the force in z-direction on the gyrocenter of a charged particle
- Logarythmic
- · Replies 2 ·
Measuring RC Circuit Voltage: Understanding Why CRO is Used
- dizi100
- · Replies 3 ·
Compton Scattering MCQ: Min No. of Collisions to Absorb Photon
- neelakash
- · Replies 1 ·
What are the main sources of gamma ray bursts both short and long duration
- james hogg
- · Replies 1 ·
Somethings to think about for polarization of light
- yavuznuri
- · Replies 1 ·
Finding Planck's Formula Transforms for High/Low Frequencies
- vahide
- · Replies 7 ·
Is Lambda Psi a an Eigenstate of Hermitian Operator A?
- quantum_prince
- · Replies 8 ·
How Does a Particle Maintain Constant Velocity in a Pure Magnetic Field?
- KleZMeR
- · Replies 6 ·