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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Compton Scattering with Moving Electron
- jowens1988
- · Replies 3 ·
How do I determine if an operator is Hermitian?
- Axiom17
- · Replies 6 ·
What is the Momentum Probability for a Gaussian Wave-Packet?
- Campbe11
- · Replies 3 ·
Do constant and exponential wave functions represent the same quantum state?
- Axiom17
- · Replies 2 ·
Why Does the Sine Function Vanish in This Trigonometric Integration?
- physiker99
- · Replies 2 ·
Moment of Inertia of an object rotating about its center of mass?
- hime
- · Replies 1 ·
How Do You Calculate EMF and Potential Difference in a Circuit?
- Chandasouk
- · Replies 2 ·
What is the Resistance and Current in the Circuit?
- Chandasouk
- · Replies 1 ·
Electromagnetic waves, Maxwell's Equations, Laplace?
- tjkubo
- · Replies 1 ·
How Can You Solve an Integral with a 2nd Order Pole on the Real Axis?
- gysush
- · Replies 4 ·
Is there always a bra for every ket?
- WallOfShame
- · Replies 1 ·
On commuting of position and momentum operators
- dingo_d
- · Replies 4 ·
Can you reorder bra and ket in an operator sum?
- Niles
- · Replies 17 ·
What is the Force on a Barge Being Pulled by a Horse Across a River?
- kierans
- · Replies 1 ·
Find angle such that beam hits a certain point
- Niles
- · Replies 6 ·
Questions about E=mc², universe shape, expansion and gravity waves
- GBR
- · Replies 3 ·
What Is the Equilibrium Angle Theta in a Spring and Cord System?
- quantum_enhan
- · Replies 4 ·
Constraints and Statical Determinacy
- sami23
- · Replies 1 ·
Calculating Expectation Value for z component of angular momentum
- TLeo198
- · Replies 1 ·
Solution to Jackson Problem No.26 Chapter 2 E&M
- nerhgdf43
- · Replies 4 ·
Mean value of momentum of electron in H atom
- superyoon
- · Replies 1 ·
How do I work out an expression for the total energy
- bon
- · Replies 2 ·
Determining which operators are linear
- Axiom17
- · Replies 7 ·
What's the Probability of Finding a Quantum Particle in Each Box?
- Axiom17
- · Replies 2 ·
Why does the continuity equation use addition, not subtraction?
- latentcorpse
- · Replies 1 ·
Quantum harmonic oscillators - grand partition function
- Heirot
- · Replies 1 ·
How Does Topological Action Simplify with Levi-Civita Tensor Contractions?
- jinbaw
- · Replies 1 ·
Derive a formula for momentum in terms of kinetic energy
- martinhiggs
- · Replies 3 ·
Relation for Kinetic energy and the lorentz factor.
- martinhiggs
- · Replies 3 ·
Electrostatic self energy of a uniform density sphere
- ccheck13
- · Replies 2 ·
Is \(x^k p_x^m\) Hermitian?
- KBriggs
- · Replies 1 ·
Electrostatic Energy of a thin spherical shell
- wbrigg
- · Replies 5 ·
What is the different between the max stress and the von mise stress
- Lorens
- · Replies 4 ·
What is the purpose of using the nabla operator in this equation?
- curupira
- · Replies 3 ·
Does Refractive Index of a Gas Change with Pressure?
- Aeon
- · Replies 1 ·
Finding V for a 2D box using separation of variables.
- maherelharake
- · Replies 19 ·
Can terms with different index structures be added in this equation?
- tetris11
- · Replies 2 ·
Normalizing a wave function with x² exponential integral
- Kvm90
- · Replies 1 ·
What Are the Wavelength Ranges for the Balmer and Lyman Series in Hydrogen?
- Jason Gomez
- · Replies 1 ·
Why does <A> = Σ aⱼ|<ψ|φⱼ>|² in Dirac notation?
- jeebs
- · Replies 2 ·
Difference between expectation value and probabilty
- MGWorden
- · Replies 2 ·
Heating an Ideal Gas: Why Burning Fuel is Equivalent to Reversible Heating
- Katie1990
- · Replies 2 ·
Deriving Maxwell's Relation with Thermodynamic Variables
- mdwerner
- · Replies 3 ·
Rotational and vibrational temperature of H2 from empirical potential
- nicky04
- · Replies 6 ·
Deriving Fresnel equation for perpendicular polarization
- Fjolvar
- · Replies 1 ·
Calculating Speed of Electron after 50keV Work
- Brown Arrow
- · Replies 3 ·
Obtaining Lagrangian of complicated pendulum
- K29
- · Replies 2 ·
Show that a wave function fits the Schrödinger's equation. (Harmonic oscillator)
- Asphyxion
- · Replies 7 ·
What are the homework problems for quantum mechanics?
- hasan_researc
- · Replies 1 ·
I.E. Irodov Advanced Gravitation Problem
- zorro
- · Replies 6 ·
Verifying Commutator Relations for $\vec{J}=\vec{Q}\times \vec{p}$
- kreil
- · Replies 19 ·
QM: Ground State Wave Function of Infinite Square Well
- zheng89120
- · Replies 2 ·
If A and B are hermitian, then i[A,B] is also hermitian
- Shackleford
- · Replies 17 ·
Constant Acceleration in Relativistic Mechanics
- kreil
- · Replies 7 ·
Parabolic coordinates: express x,y and find kinetic energy
- metgt4
- · Replies 1 ·
Sphere falling through viscous material - velcoity calc
- Bakery87
- · Replies 1 ·
Particle Detector: How Many (e-, ion) Pairs Are Created?
- thomsonj
- · Replies 1 ·
Uniform circular motion of a particle
- mclame22
- · Replies 1 ·
How Does the Stress Tensor Change at Point P Near Current-Carrying Wires?
- vwishndaetr
- · Replies 1 ·
Calculating Multiple Integrals on Mathematica (Electric fields)
- GriffinHeart
- · Replies 1 ·
Step Potential Question (Quantum Mechanics)
- Qbit42
- · Replies 11 ·
Calculating Angular Momentum of a Monopole-Charge System
- XieJiaLin
- · Replies 1 ·
True statements about concentric charged spheres
- Tom71
- · Replies 1 ·
Proving Fermion Occupation with Commutation Relations
- commutator
- · Replies 2 ·
Driven harmonic oscillator without damping force
- wetodedwarhea
- · Replies 1 ·
Lorentz transformations (2nd year relativity)
- affans
- · Replies 1 ·
Laplace's Equation To Find Potential
- baltimorebest
- · Replies 3 ·
Efficiency of an Ideal-Gas Cycle: How is it Derived?
- JesseCoffey
- · Replies 6 ·
Bohr model calculations: orbital radius, energy, and relativistic effects
- fluidistic
- · Replies 4 ·
How do I normalize a state vector with numbers in it?
- dingo_d
- · Replies 1 ·
Can Any Linear Operator Be Decomposed into Hermitian Components?
- dingo_d
- · Replies 5 ·
When to use Laplace's or Poisson's equation for calculating potential
- mdwerner
- · Replies 1 ·
Wave function of spin 1/2 under parity
- read
- · Replies 9 ·
Spin 1/2 planced in a magnetic field at x-direction
- M-st
- · Replies 10 ·
Spherical pendulum filled with water
- aim1732
- · Replies 1 ·
Peskin and Schroeder, equation 2.51
- Chris.X
- · Replies 1 ·
Orthogonality of Legendre Polynomials
- xxbigelxx
- · Replies 2 ·
Alternate expressions of Fourier series formula
- Esran
- · Replies 2 ·
Millikan's oil drop experiment-terminal velocity.
- Jenkz
- · Replies 2 ·
General Relativity - Contravariant and Covariant Vectors: aaargghh
- tetris11
- · Replies 6 ·
Proving Acceptable Wave Functions in Quantum Mechanics
- xago
- · Replies 1 ·
Position localization of two wave functions with exponential form
- jap33
- · Replies 1 ·
Does Measurement in the X Direction Affect Y Coordinate in Quantum Systems?
- Amith2006
- · Replies 2 ·
How Do I Start Solving a Lagrangian Mechanics Problem?
- bombz
- · Replies 3 ·
Pre-quantum matrix problem class problem? Probably simple?
- jeebs
- · Replies 4 ·
Fourier series representation for F(t) = 0 or sin(wt) [depending on range]
- Esran
- · Replies 2 ·
Two-dimensional motion under Central Force
- Eagletsam
- · Replies 2 ·
Gravitational force varies 11% in moon's elliptical orbit
- Mohammed17
- · Replies 7 ·
Space tug and asteroid meeting time with 490 N pull
- Mohammed17
- · Replies 2 ·
How to Calculate Electric Potential and Field for a Charged Line Segment?
- dingo_d
- · Replies 5 ·
Q : Verify Wien's displacement law (frequency and wavelength form)?
- sam_021
- · Replies 1 ·
Solid state physics - FFC structure of NaCl
- Anabelle37
- · Replies 1 ·
When can we neglect interaction energy in statistical mechanics?
- shadi_s10
- · Replies 4 ·
Given this formula, is this formula true by symmetry?
- bjnartowt
- · Replies 2 ·
Help explaining a physics concept from textbook
- tukms
- · Replies 2 ·
Can Angular Momentum Change Direction When a Wheel is Flipped Over?
- tukms
- · Replies 1 ·
Help with a hard problem
- tukms
- · Replies 7 ·
Deriving Momentum Component from Single-Slit Neutron Diffraction Pattern
- bon
- · Replies 6 ·
How to Find Turning Points of Particle Motion on a Smooth Cone?
- misterpickle
- · Replies 1 ·
Modern I: Finding energy involving a rotator HCl molecule.
- baltimorebest
- · Replies 20 ·