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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Use Gauss' Law to calculate the electrostatic potential for this cylinder
- Reg_S
- · Replies 4 ·
Lagrangian equation for 5 pulley Atwood Machine.
- uber_kim
- · Replies 4 ·
How Does Adding Derivatives to the Lagrangian Affect Hamiltonian Equations?
- barek
- · Replies 7 ·
Mass/Energy of a collapsing gas shell (MTW 21.27)
- TerryW
- · Replies 1 ·
Why Is the Paraboloidal Wavefront Approximation Valid?
- yucheng
- · Replies 2 ·
Spin-1 particle states as seen by different observers: Wigner rotation
- SpookyMulder
- · Replies 5 ·
Quantum Mechanics - Matrix representations
- Graham87
- · Replies 9 ·
How Do You Convert Linear Operators to Dirac Notation?
- guyvsdcsniper
- · Replies 2 ·
Proving commutator relation between H and raising operator
- guyvsdcsniper
- · Replies 4 ·
Intro to quantum mechanics - Spin and linear algebra
- Graham87
- · Replies 8 ·
Intro to Quantum Mechanics - Formalism normalisation
- Graham87
- · Replies 3 ·
Confusion about four vector notation
- patric44
- · Replies 7 ·
Determining Reverse Mass Flow Rate Formula for Multiple Diameter Tubes
- RealityMechanics
- · Replies 1 ·
Tong QFT sheet 2, question 6: Normal ordering of the angular momentum operator
- Gleeson
- · Replies 27 ·
Deduction of formula for Lagrangian density for a classical relativistic field
- StenEdeback
- · Replies 29 ·
Plotting expectation value of spin vs. time
- Graham87
- · Replies 14 ·
Intro Quantum Mechanics - Dirac notations
- Graham87
- · Replies 22 ·
Quantum mechanics - Find S_x and S_y
- Graham87
- · Replies 6 ·
How the charge imbalance in a plasma changes with time
- ergospherical
- · Replies 1 ·
Absorption coefficient and Linear Optical Susceptibility
- PhysicsTruth
- · Replies 2 ·
How Does a New Lagrangian Term Affect the Fine Structure Constant?
- LCSphysicist
- · Replies 3 ·
How Do You Derive the Klein-Gordon Propagator from Commutation Relations?
- HadronPhysics
- · Replies 7 ·
Classical Mechanics: Lagrangian of a falling yo-yo
- NahsiN
- · Replies 1 ·
Classical Action for Harmonic Oscillator
- DeclanTKatt
- · Replies 1 ·
From General Relativity to Dark Energy
- Adwit
- · Replies 3 ·
How can negative integers be used in deriving the Hamiltonian for open strings?
- Overtoad123
- · Replies 12 ·
Chapter 2 Griffiths EM Problem: E-Field from a charged ring
- warhammer
- · Replies 45 ·
Laplace's equation when there is a point dipole
- Ahmed1029
- · Replies 5 ·
Velocity of a relativistic particle in a uniform magnetic field
- B Rylen
- · Replies 4 ·
Lorentz invariance of Klein-Gordon equation and Maxwell Lagrangian
- spaghetti3451
- · Replies 19 ·
Calculate the magnetic field from the vector potential
- arjun_ar
- · Replies 4 ·
Potential of Concentric Cylindrical Insulator
- hime
- · Replies 23 ·
Calculate the isotopic shift of the analogue states for Cr and Mn
- patric44
- · Replies 2 ·
How do Landau and symmetric gauges affect the Schrödinger equation for a charged particle?
- raintrek
- · Replies 1 ·
Miller Indices for FCC and BCC and XRay Diffraction Peaks
- LukeD
- · Replies 1 ·
Why eliminating different variables from a constraint gives different tensions
- mcconnellmelany
- · Replies 5 ·
Moment of inertia of a double physical pendulum
- AF Fardin
- · Replies 4 ·
Is the overall heat transfer coefficient constant for a certain heat exchanger?
- MarkH748
- · Replies 1 ·
Fluid Mechanics: streamlines for a flow
- yrael
- · Replies 1 ·
To determine the rigidity modulus of a suspension wire.
- xeonese
- · Replies 1 ·
Joule-Thomson Expansion of a van der Waals gas
- eep
- · Replies 1 ·
2 Derivations of Solenoid's Magnetic Field - Problem
- sprinkler
- · Replies 1 ·
X-Ray emission and Bragg Scattering (K-Alpha and K-beta absorption)
- pyrophysicist
- · Replies 1 ·
Fluid flow between parallel plates
- hamurabi
- · Replies 1 ·
Three-Dimensional Virial Theorem (Quantum Mechanics)
- NeoDevin
- · Replies 1 ·
How do I get the damping coefficient experimentally
- williamshipman
- · Replies 1 ·
Quick calculation of lattice parameter and unit cell volume for germanium?
- mxyplizk
- · Replies 1 ·
Fermi distribution of 3s electrons of sodium
- N8
- · Replies 1 ·
Bloch function - Solid state physics
- big man
- · Replies 1 ·
Kinetic and potential energy of harmonic oscillator
- masudr
- · Replies 1 ·
Energy to dissociate an H2 molecule from formation enthalpy
- pentazoid
- · Replies 1 ·
Force on a charge from an induced dipole
- Yitzach
- · Replies 1 ·
Static Equilibrium and reaction forces
- MAPgirl23
- · Replies 1 ·
Find the temperature coefficient of resistivity for pure silicon at T=300K
- opticaltempest
- · Replies 1 ·
Q-value calculation - nuclear physics
- Ene Dene
- · Replies 1 ·
How Do You Calculate Luminous Flux for Different Wavelengths?
- Amith2006
- · Replies 1 ·
Perforated Pipe Flow with a closed end
- p5bombara
- · Replies 9 ·
Continuity Equation and the Bernoulli's Equation
- Loneliheart
- · Replies 1 ·
Helium energy level diagram for ground and first excited states
- MeiLai
- · Replies 1 ·
Relative intensity of polarized and unpolarized light in incident beam
- nanobanano
- · Replies 2 ·
Frequency of damped vs. undamped oscillator
- Mindscrape
- · Replies 3 ·
Fluid Mechanics: Flow Between Parallel Plates-Force Balance Equation
- Romulus3
- · Replies 1 ·
Valance band to Conduction Band (Valance Electron), Energy Band Gap Levels
- GoldenAtlantis
- · Replies 1 ·
Moment of Inertia Tensor for a Flat Rigid Body
- logic smogic
- · Replies 1 ·
Ideal hcp lattice, ratio c/a = 1.633 proof
- skyav
- · Replies 1 ·
What Does the Scale Show When an Elevator Accelerates Upward?
- Mohammed17
- · Replies 1 ·
Why Is the Magnetic Field Inside the Cylinder Negative?
- stunner5000pt
- · Replies 1 ·
Latent heat of steam calculation: getting 11275 J/kg instead of 2256 J/g
- Salerk
- · Replies 2 ·
Finding the time constant given % of max value
- Katsmed23
- · Replies 3 ·
Rigid, Non-Rigid and System of Rigid Bodies?
- sami23
- · Replies 1 ·
Charged conducting sphere in a uniform electric field?
- TMFKAN64
- · Replies 1 ·
Energy values of a half harmonic oscillator
- siifuthun
- · Replies 1 ·
Fermi temperature for liquid 3He and neutron stars
- raintrek
- · Replies 1 ·
Finding laser cavity length from Michelson fringe spacing
- Biest
- · Replies 1 ·
Is the Electric Field Equation for a Coaxial Cable Correct?
- CL39
- · Replies 1 ·
Fourier series half and full wave rectifiers
- steph_mil
- · Replies 1 ·
Quantum mechanics - finite square well
- Graham87
- · Replies 2 ·
Quantum mechanics - infinite square well problem
- Graham87
- · Replies 12 ·
Statistical mechanics and problem with integrals
- LCSphysicist
- · Replies 2 ·
Is it possible to find Tensional force from Lagrange?
- mcconnellmelany
- · Replies 13 ·
How Does Equation 4.39 Apply to Dipole Moments in Griffith's Problem 4.37?
- Ahmed1029
- · Replies 4 ·
Is there a mistake in this tensor multiplication problem?
- DuckAmuck
- · Replies 5 ·
Acoustic Impendences in this Ultrasound Imaging problem
- nao113
- · Replies 1 ·
Metamerism (vector-matrix representation of color perception)
- nao113
- · Replies 1 ·
Double pulley problem using Lagrangian
- mcconnellmelany
- · Replies 26 ·
Particle in a box that suddenly expands
- LCSphysicist
- · Replies 15 ·
How Far is Nanyang's Star from Earth in Parsecs?
- Scripturient
- · Replies 2 ·
Quantum exam practice, operators and eigenstates
- pogs
- · Replies 29 ·
Noether theorem and angular momenta
- LCSphysicist
- · Replies 1 ·
Rotating object using product of two quaternions
- Nahrawess
- · Replies 1 ·
Spring-mass system with a pendulum using Lagrangian dynamics
- MarkTheQuark
- · Replies 15 ·
How does equation (3.1.3) imply M0 = Mp/2?
- bobsan
- · Replies 2 ·
Where Can I Find Information on the Total Molecular Hamiltonian?
- Mayhem
- · Replies 9 ·
Getting the Klein Gordon energy momentum tensor
- LCSphysicist
- · Replies 9 ·
Getting geodesic from variational principle
- LCSphysicist
- · Replies 2 ·
Thin Film Deposition: Carbazole Molecular Glasses Color Change
- EL AALLAOUI Najla
- · Replies 2 ·
Normal vector of an embedding surface
- shinobi20
- · Replies 1 ·
Entropy of spin-1/2 Paramagnetic gas
- curious_mind
- · Replies 7 ·
Limits of Integration in the Transmission Coefficient
- Samama Fahim
- · Replies 5 ·
Partition Function for system with 3 energy levels
- MigMRF
- · Replies 1 ·