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Linearizing Stefan-Boltzmann equation
- J_I_F
- · Replies 2 ·
Angular momentum quantum mechanics
- thenewbosco
- · Replies 4 ·
Solving Friedmann Equation for Cosmology
- foranlogan5
- · Replies 7 ·
Evidence for dark matter and why it's not baryonic
- bolahab
- · Replies 3 ·
Maximum He-4 fraction with neutron lifetime 89 s and Q-value 0.129 MeV
- bolahab
- · Replies 2 ·
Finding Ωm and time until the universe doubles in size
- bolahab
- · Replies 4 ·
Can different masses be used in normal modes?
- miscellanyous
- · Replies 8 ·
Proving Angular Momentum is Conserved with Euler's Equations
- iacephysics
- · Replies 3 ·
Deriving multiple slit diffraction equations
- ChEJosh
- · Replies 11 ·
Carnot Engine problem (including entropy?)
- yakattack
- · Replies 1 ·
Magnetic field of rotating cylinder
- Kruger
- · Replies 6 ·
Showing that ∂φ/∂x^μ is a covariant four-vector
- ercagpince
- · Replies 9 ·
Why does [p,x] = 0 for SHO matrix elements instead of iℏ?
- ehrenfest
- · Replies 12 ·
Fourier transform of the hydrogen ground state wavefunction
- Fys
- · Replies 5 ·
Gauge pressure to compress 1L water and steel bar height needed
- predentalgirl1
- · Replies 1 ·
Magnetic field for relativistic electron circular motion in synchrotrons
- SergioPL
- · Replies 2 ·
Magnetisation due to conduction electrons
- T-7
- · Replies 2 ·
How to Calculate Magnetic Field in a Toroid Using Ampere's Law?
- sfdevil
- · Replies 5 ·
Particle in a box wave function problem
- shan564
- · Replies 8 ·
Using Runge Kutta Method for T.I.S.E in Electron Motion Approximation
- Cinimod
- · Replies 4 ·
Can the Photoelectric Effect Distinguish Between Classical and Quantum Theories?
- neelakash
- · Replies 3 ·
Finding total number of particles in a given distribution
- Reshma
- · Replies 6 ·
Lagrangian for two masses hanging from a rod
- bamftyk
- · Replies 1 ·
Why Does the Upper Integration Limit Change in Quantum Mechanics Problems?
- Woozie
- · Replies 6 ·
Solving eigenvalue equations for quantum well energy levels in MATLAB
- starla
- · Replies 1 ·
Expectation value of P^2 for particle in 2d box
- 3uc1id
- · Replies 1 ·
Can entropy change be zero for an irreversible process?
- supermesh
- · Replies 1 ·
Motion on a Paraboloid: Reduce to Quadratures
- neworder1
- · Replies 3 ·
Calculating the Period of Small Oscillations for a Floating Object
- Varnson
- · Replies 2 ·
Time for space probe to reach Venus via Hohmann transfer orbit
- nick227
- · Replies 2 ·
Question of Statistical Thermodynamics (Boltzmann Distribution)
- asdfTT123
- · Replies 6 ·
Why Do Mass Terms Not Cancel in N+pi to N+pi Scattering in QFT?
- jostpuur
- · Replies 6 ·
How Do You Use Current Balance and Hall Probes in Magnetic Field Measurement?
- mysqlpress
- · Replies 1 ·
What is the radius of curvature of an electron beam in a uniform magnetic field?
- Evenglare
- · Replies 1 ·
What Is the Net Force on a Submarine Hatch at 8.5m Depth?
- queen2008
- · Replies 1 ·
What is the dependence on w of intensity in single slit diffraction?
- neelakash
- · Replies 6 ·
Why don't R and T sum to 1 for this three-region potential?
- splitringtail
- · Replies 5 ·
Potential well: why don't R and T sum to one with continuity conditions?
- splitringtail
- · Replies 1 ·
Solved Faraday's Law Problem: Find Correct Answer
- neelakash
- · Replies 5 ·
How Do You Calculate the Potential Inside and Outside a Spherical Surface?
- stunner5000pt
- · Replies 2 ·
Can I use sine and cosine instead of exponentials for free particles?
- splitringtail
- · Replies 1 ·
Why Does Time Remain Constant on Any Chord in Galileo's Circle?
- dinkadink
- · Replies 2 ·
Understanding Feynman Rules for ABC Theory
- ercagpince
- · Replies 7 ·
How can one prove that the maximum entropy occurs
- ehrenfest
- · Replies 3 ·
Time evolution of spherical harmonics
- misterme09
- · Replies 3 ·
Why are imaginary solutions discarded in the spin one-half differential equation?
- ehrenfest
- · Replies 1 ·
Kinetic energy of harmonic oscilator
- stunner5000pt
- · Replies 2 ·
Damped Pendulum, finding Q factor
- m0nk3y
- · Replies 3 ·
Distribution of electrons below the Fermi energy
- taishar
- · Replies 1 ·
Dynamics and kinematics of particles
- dinkadink
- · Replies 1 ·
How Can I Learn the Basics of the Dirichlet Principle?
- freesom
- · Replies 2 ·
Minimum position uncertainty from velocity measurement uncertainty
- so09er
- · Replies 3 ·
Equilibrium - Particle in Bowl, looking for guidance
- m0nk3y
- · Replies 1 ·
Confusing Friction + Pulley question
- tbomber
- · Replies 1 ·
Deriving Probability Conservation in Quantum Mechanics
- stunner5000pt
- · Replies 1 ·
Finding three unknowns with two boundary conditions in radial wavefunction
- ehrenfest
- · Replies 6 ·
Can Both Lorentz and Coulomb Gauges Be Satisfied Simultaneously?
- ultimateguy
- · Replies 1 ·
How Does Electrical Conductivity Behave in Non-Uniform Conductors?
- harshant
- · Replies 2 ·
Pion decay with relativistic factor 15 and decay rate in lab frame
- lozzyjay
- · Replies 1 ·
Energy Transition in Deuterium vs Hydrogen: Is it True?
- ehrenfest
- · Replies 6 ·
Why massless particles must travel at c
- wtronic
- · Replies 7 ·
What Thickness Makes 0.3 A X-Rays Twice as Intense as 0.5 A X-Rays?
- so09er
- · Replies 2 ·
Why does an object in a hyperbolic orbit get a velocity kick from a planet?
- m0nk3y
- · Replies 3 ·
A pretty difficult problem about oscillatory circuit
- Sciencelad
- · Replies 1 ·
How can we find the variance of S_x, S_y, and S_z?
- man@SUT
- · Replies 1 ·
Why does [L_z,p^2] equal zero?
- bdforbes
- · Replies 11 ·
Electron Spin State and Values
- Rahmuss
- · Replies 4 ·
Expansion in spherical harmonics sin(theta)
- Gerenuk
- · Replies 1 ·
How to Expand 1+sin(phi)sin(theta) in Spherical Harmonics?
- ehrenfest
- · Replies 17 ·
What is the magnetic flux through the solenoid
- captainjack2000
- · Replies 2 ·
Gravitational potential and equilibrium of a thin ring
- DieCommie
- · Replies 2 ·
How to Find Eigenfunction and Kinetic Energy in an Infinite Square Well?
- stunner5000pt
- · Replies 1 ·
Calculating Entropy Change in a Heat Engine Operating at Different Temperatures
- will_lansing
- · Replies 3 ·
Solving the Hydrogen Atom Wavefunction Puzzle
- ehrenfest
- · Replies 12 ·
Clock rate for satellite in circular orbit about Earth
- Lorna
- · Replies 3 ·
Apply Normalization condition in QM problem
- ttown
- · Replies 1 ·
How Do You Calculate the Force to Separate Two Hemispheres?
- castusalbuscor
- · Replies 3 ·
Eigenvalues and Eigenspinors: How to find them for the S_y matrix?
- Rahmuss
- · Replies 24 ·
How Do Polaroid Filters Affect Light Perception?
- ziad123
- · Replies 3 ·
Do Free Electrons Have Momentum Zero at Absolute Zero?
- neelakash
- · Replies 4 ·
Find the potential - Long hollow cylinder
- DieCommie
- · Replies 4 ·
What Processes Occur When Electrons Meet Positrons and Protons?
- neelakash
- · Replies 4 ·
Are the branes in Zwiebach figure 14.2 supposed to be coincident?
- ehrenfest
- · Replies 1 ·
Rotating, submerged cylinder problem.
- Cinimod
- · Replies 5 ·
Are there legal ways to quickly find eigenvalues of an operator?
- cscott
- · Replies 8 ·
How to Find the Mass Moment of Inertia for an L-Shaped Bar?
- roldy
- · Replies 4 ·
Identical particles and degenrate energy levels
- Sunshine
- · Replies 3 ·
Two-Slit Interference: Find Slit Separation
- rpedroza
- · Replies 1 ·
What Are the Correct Statements About a Quantum Harmonic Oscillator?
- neelakash
- · Replies 1 ·
Sping Matrices and Commutation Relations
- Rahmuss
- · Replies 2 ·
Finding Forces Exerted at A and B on Rod AB
- roldy
- · Replies 1 ·
Zwiebach on Lattices: What Does He Mean?
- ehrenfest
- · Replies 1 ·
Time taken between minor axis end and perihelion in elliptical orbit
- neelakash
- · Replies 2 ·
How to find Velocity V2 with bernoulli Equation?
- bakoo
- · Replies 1 ·
What is the Proportionality of Electrostatic Potential at a Distance?
- Reshma
- · Replies 3 ·
Perturbation of the simple harmonic oscillator
- nowits
- · Replies 4 ·
Bucket launched into cloud of star dust.
- deccard
- · Replies 6 ·
Probable distance in the 2p state (H atom)
- T-7
- · Replies 2 ·
Find B at Distance r from Capacitor Symmetry Axis
- hastings
- · Replies 1 ·
How Do Lorentz Transformations Prove Light Pulse Symmetry?
- physicyst
- · Replies 1 ·