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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Is Total Energy Different from Energy Density for a 1D Standing Wave?
- cosine
- · Replies 2 ·
Another Quick Couple of Infinite Well Questions
- G01
- · Replies 1 ·
Maths: Proving ABC=CBA Implies [A,B]=[A,C]=[B,C]=0
- quasar987
- · Replies 8 ·
Where Is the Electric Field Zero Between Two Charges?
- brandon26
- · Replies 11 ·
Calculation of Curie Constant for Iron in Metallic Form
- Amith2006
- · Replies 3 ·
Number of conduction electrons question
- raintrek
- · Replies 2 ·
How Much Material Is Needed to Meet the USA's Annual Energy Requirement?
- Delzac
- · Replies 2 ·
Relativity : Lorentz Transformation.
- Delzac
- · Replies 2 ·
What is the Speed of a Particle with Total Energy 3 Times its Rest Energy?
- Delzac
- · Replies 3 ·
Why Does Only V Require the Dirac Delta Function?
- Psi-String
- · Replies 11 ·
Nonreal solutions to the TISE
- G01
- · Replies 2 ·
The Effects of Adding/Removing Protons to an Atom
- baconbits423
- · Replies 1 ·
E-field of non-conducting, nonuniform shell
- Pixter
- · Replies 2 ·
Example Questions of Laplace's Equation in 3D Space BVP
- Mehrdad
- · Replies 5 ·
Standard Basis and Ladder operators
- quasar987
- · Replies 1 ·
How to Determine the Semimajor Axis of the Black Hole's Orbit in Cygnus X-1?
- ^_^physicist
- · Replies 2 ·
Einstein-Hilbert Action Derive from Christoffel Symbols and Quadratic Lagrangians?
- Kevin_spencer2
- · Replies 1 ·
What is the electric field amplitude 2m from the source
- kingyof2thejring
- · Replies 3 ·
Why Did They Add 2π When Shifting AC Circuits?
- cosine
- · Replies 2 ·
Conformal time closed Friedmann universe
- Logarythmic
- · Replies 12 ·
A spherically symmetrc attractive potential
- anjor
- · Replies 1 ·
Magnetic Field inside a current carrying wire
- darkar
- · Replies 4 ·
Superconductivity Properties & Applications
- yamini
- · Replies 12 ·
How Do You Determine Image Charges for Angled Conducting Planes?
- stunner5000pt
- · Replies 1 ·
Volumetric thermal expansion coefficient
- cheez
- · Replies 2 ·
Stuck on Intro Quantum Mechanics Question
- G01
- · Replies 6 ·
Need an algorithm to calculate a function
- Mentz114
- · Replies 2 ·
Solving Friedmann Equation w/ Friedmann Eqn Hmwk Stmt
- Logarythmic
- · Replies 3 ·
Coordinate Distance of Object at Redshift z: Solving w/ k=0, n<1
- Logarythmic
- · Replies 1 ·
Finding the Work of a Damped Harmonic Oscillator
- dimensionless
- · Replies 4 ·
Help Solving a Problem Involving Gaussian & Spherical Balloon Charge
- gazepdapi1
- · Replies 5 ·
Phase difference in CR and LR circuit
- cash200107
- · Replies 1 ·
Normal (probability) distribution and Partition function.
- Kevin_spencer2
- · Replies 1 ·
What Is the Relative Speed Between Two Spaceships Approaching Earth?
- GreenLRan
- · Replies 1 ·
Where on a Transverse Wave is Maximum Speed Achieved?
- akd28
- · Replies 2 ·
How can I show that z = v/c for small velocities
- Logarythmic
- · Replies 5 ·
How is E Calculated in a Coaxial Cable with Alternating Current?
- Kolahal Bhattacharya
- · Replies 3 ·
Determing a polar orbit for a non-inverse square central force
- ^_^physicist
- · Replies 3 ·
What Is the Correct Normalization Constant for a Particle in a Cubic Box?
- jairusgarcia
- · Replies 4 ·
Stuck in an Infinite Square Well
- cepheid
- · Replies 1 ·
Passive sign convention (negative watts, and negative current confusion)
- FocusedWolf
- · Replies 7 ·
How much energy is dissipated by the 25 ohm resistor?
- pari786
- · Replies 3 ·
How to Determine Young's Modulus and Poisson's Ratio from Elastic Stiffnesses?
- RAD17
- · Replies 2 ·
How Do You Calculate Work Done in Lattice Compression?
- RAD17
- · Replies 1 ·
How Does Quantum Uncertainty Affect Nucleon Kinetic Energy and Electron Orbits?
- Odyssey
- · Replies 6 ·
Orbit Intersection Question (classical mechanics)
- ^_^physicist
- · Replies 3 ·
Why can we use small angle approximation in Lagrangian mechanics problems?
- quasar987
- · Replies 6 ·
The action integral for the EM field in a dielectric medium
- MadMax
- · Replies 5 ·
Eigenfunctions problem - i have the answer, explanation required
- Brewer
- · Replies 3 ·
Energy levels of partciles in a 3D box
- emilykay
- · Replies 15 ·
Solving Easy EM Problem Homework Statement
- stunner5000pt
- · Replies 7 ·
How Do You Determine the Width of a Gaussian Wavepacket in Real Space Over Time?
- Mazimillion
- · Replies 2 ·
Solving Electric Potential for q in Spherical Conductor
- stunner5000pt
- · Replies 1 ·
Realizing Potential: Eliminating Fields for Real Potential
- emanaly
- · Replies 7 ·
Coupled harmonic oscillators QM
- valtorEN
- · Replies 2 ·
How Should Time Be Entered in Circuit Power Calculations?
- student85
- · Replies 7 ·
Is the Sum of All Moments Zero at Any Point if Zero at Point A in 2-D Mechanics?
- kasse
- · Replies 6 ·
Solving Magnetism Problem: Find Electric Field at Toroid Axis
- Kolahal Bhattacharya
- · Replies 14 ·
Method of images and infinite conducting sheet
- stunner5000pt
- · Replies 7 ·
Understanding Band Gap Models in Statistical Mechanics: Qualifying Exam Practice
- Allday
- · Replies 2 ·
Time evolution of a rotating dipolar magnetic field
- Barnak
- · Replies 6 ·
Help with Maxwell: Understanding 6 Dimensions of Space
- hikaru
- · Replies 2 ·
Help with Exams This Week? Ask Bobster!
- Bobster
- · Replies 2 ·
Barrier Potential Question: Understanding Energy and Barrier Interactions
- acme37
- · Replies 16 ·
Can Scalar Field Redefinition Ensure Independence?
- Joey_Joe_Jojo
- · Replies 4 ·
Linear Harmonic Oscilator - QM
- Brewer
- · Replies 3 ·
Discover the Answer: Thank You for Your Help!
- ploum
- · Replies 4 ·
What Causes Variation in Ductility of Pure Metals?
- eeeeediot
- · Replies 2 ·
Astronomy and the Relativistic Doppler Shift
- Fallen Seraph
- · Replies 3 ·
Statement in Cohen-Tanoudji I don't understand
- quasar987
- · Replies 4 ·
How can I accurately measure the force applied to my door to calculate its mass?
- yasar1967
- · Replies 8 ·
Is It Possible to Have an Imaginary Normalisation Constant?
- Ruddiger27
- · Replies 6 ·
Minimum period of rotation and gravity
- Tonyt88
- · Replies 2 ·
Proof that wave packet moves with the group velocity
- mbs
- · Replies 1 ·
Force Between the Strands of DNA Molecule.
- MarkusNaslund19
- · Replies 1 ·
Potentials and de Broglie wavelength
- Brewer
- · Replies 3 ·
Harmonic oscillator onboard a relativistic rocket
- Methavix
- · Replies 5 ·
Find the wavelength or speed of the waves
- megashell
- · Replies 6 ·
Calculate the average force on the ball during contact
- dylan61990
- · Replies 3 ·
Solve Laplace's Equation for Square in XY Plane w/BCs
- stunner5000pt
- · Replies 6 ·
Fundamental frequencies and temperature
- Fallen Seraph
- · Replies 8 ·
Finding Mass without using any scale
- JenniferBlanco
- · Replies 5 ·
Understanding Pressure and Flow Dynamics in a Water Pipe
- JenniferBlanco
- · Replies 17 ·
Angular motion versus Linear motion
- shehri
- · Replies 6 ·
What make atoms to form co-valent bond?
- Ahmed Abdullah
- · Replies 1 ·
General Uncertainty Relation between 2 operators
- Reshma
- · Replies 6 ·
How Do You Calculate the Thickness of a Soap Film for Constructive Interference?
- yamini
- · Replies 7 ·
Quantum Mechanics - Commuting Operators (very quick question)
- Brewer
- · Replies 2 ·
What is the force on a particle in an electromagnetic wave?
- stunner5000pt
- · Replies 4 ·
Very simple matrix mechanics problem
- Sojourner01
- · Replies 13 ·
Particle moving in x and theta
- NEWO
- · Replies 1 ·
How to Use Conservation of Energy to Calculate Sphere Collision Velocity?
- mustangguy289
- · Replies 4 ·
Special relativity collisions problem
- deadringer
- · Replies 1 ·
The Quantum Partition function for the harmonic oscillator
- MadMax
- · Replies 1 ·
Essay Topic Selection for 2nd Year Undergraduate Physics Students
- darkar
- · Replies 6 ·
What is the force on a point charge in Griffiths problem 8.4?
- stunner5000pt
- · Replies 2 ·
How Does Potential Difference Work with Electron Flow?
- shehri
- · Replies 2 ·
How is the First-Order Perturbation Energy Related to Magnetic Susceptibility?
- schattenjaeger
- · Replies 2 ·
How Do You Complete a Ray Diagram for an Optical Microscope?
- asdf1
- · Replies 2 ·