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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Astronomy - aphelion/perihelion from conservation
- Odyssey
- · Replies 1 ·
Coriolis forces, rotating coordinate systems
- bcoats
- · Replies 1 ·
Why does Jane receive 30 messages in the twin paradox with Dick's 20 light year journey?
- bilkul_king
- · Replies 2 ·
Potential of a cylinder with uniform charge
- risendemon
- · Replies 1 ·
Moment of Inertia for Square Plate on X Axis
- fightnchikn
- · Replies 3 ·
How Do You Find the Relativistic Center-of-Momentum Frame?
- bcoats
- · Replies 2 ·
Fermi level and ionization in degenerately doped silicon
- Nicky302
- · Replies 1 ·
Magnetic Fields Produced by Currents Problem
- MrDMD83
- · Replies 1 ·
Can Principal Moments of Inertia Exceed the Sum of the Others?
- knightpraetor
- · Replies 1 ·
Average energy dissipated in a copper loop in changing magnetic field
- MrDMD83
- · Replies 1 ·
RLC Circuit with damping question
- totallydesperate
- · Replies 1 ·
Thermodynamics - Paramagnetism proof
- ultimateguy
- · Replies 19 ·
Non ideal parallel plates (really quick question)
- FrogPad
- · Replies 5 ·
Commuting Operators: When 2 Operators Don't Commute
- Fe-56
- · Replies 2 ·
Electric potential, field and charge density problem check
- DaConfusion
- · Replies 5 ·
My topic full of GRE practice questions, whoo
- schattenjaeger
- · Replies 7 ·
How Fast Must a Rocket Travel for One Year to Elapse on the Captain's Watch?
- Tonyt88
- · Replies 15 ·
What Is the Optical Model of Nuclear Reactions?
- choudries
- · Replies 4 ·
An electroencephalographic apparatus patent
- sidddarthan
- · Replies 3 ·
Triangle on sphere with angle sum between pi and 2pi
- UrbanXrisis
- · Replies 3 ·
Does f(z) have a singularity at infinity and how can its residue be obtained?
- abode_x
- · Replies 2 ·
How to Measure the Internal Resistance of a Solar Cell?
- noura17
- · Replies 2 ·
Potential Energy - Potential function problem.
- Alpha Russ Omega
- · Replies 8 ·
What is the speed of each particle relative to the other?
- pivoxa15
- · Replies 5 ·
Complex Transmittance of a Multi-Layered Plate
- esradw
- · Replies 1 ·
How do you apply Kirchhoff's current law to this branch problem?
- FocusedWolf
- · Replies 3 ·
Setting Up KE for 2 Point Masses and a Rod
- Reshma
- · Replies 3 ·
Normalizing a Wave Function Combining Two Infinite-Well States
- Xkaliber
- · Replies 8 ·
Find the location of the CM of a hollow ice cream cone
- Tonyt88
- · Replies 3 ·
Find Coefficient of Kinetic Friction: Reasonable Assumptions
- mawalker
- · Replies 3 ·
Does Laplace equation with u(1,θ)=u(2,θ)=sin²θ have solutions?
- Logarythmic
- · Replies 7 ·
Alternating current about resonance width
- adrian116
- · Replies 1 ·
How Do You Calculate Paul's Speed Using Work and Energy?
- mawalker
- · Replies 13 ·
How to Find the Lagrangian for a Simple Pendulum with Moving Support?
- Reshma
- · Replies 2 ·
How Long Does It Take for a Speeding Train to Pass a Stationary Observer?
- Tonyt88
- · Replies 3 ·
What Determines the Maximal Angle in a Collision Between Unequal Masses?
- Tonyt88
- · Replies 1 ·
Cannon recoil and spring extension with projectile fired at 45 degrees
- notinbutmatt
- · Replies 1 ·
Unique Solutions to Laplace Eq. on Half-Open Cylinder
- Logarythmic
- · Replies 12 ·
Magnitude of the (perpendicular) magnetic field in the separator?
- eric914
- · Replies 1 ·
Potential energy, a pyramid, and calculus
- Vihsadas
- · Replies 5 ·
What Are the Solutions to These Electromagnetics Problems?
- Cairrd
- · Replies 4 ·
Are Linear Operators Commutative When They Share Common Eigen Vectors?
- frederick
- · Replies 4 ·
Demonstrating something is a constant of motion
- romeo6
- · Replies 2 ·
Solving Hund's Rule Q: Gd [Xe] 6s^2,4f^7,5d^1
- Old Guy
- · Replies 1 ·
How Do I Solve These Physics Problems on Forces and Velocities?
- :::JMANN:::
- · Replies 3 ·
Struggling with Quantum Mechanics Coursework?
- kel
- · Replies 1 ·
Orthogonality relations of functions e^(2 pi i n x)
- Logarythmic
- · Replies 13 ·
How do I expand V(r) = e^(-λr)/r in 3D Fourier series?
- Logarythmic
- · Replies 8 ·
Finding U, S, T for a thermodynamic system from an image problem
- mewmew
- · Replies 3 ·
What is the equation of motion to determine when a rod will slip off a table?
- schuksj
- · Replies 2 ·
Block sliding on the inside of a cone
- m_state724
- · Replies 9 ·
How Do You Prove the Volume of a Bravais Lattice?
- FONE
- · Replies 2 ·
Checking two sets of physics problems
- matt222
- · Replies 3 ·
What Are the Monopole and Dipole Moments of a Two Charge System?
- stunner5000pt
- · Replies 4 ·
Electromagnetic field emitted by a charge
- coquelicot
- · Replies 6 ·
How Can Quantum Mechanics Constants Be Deduced from Average Energy?
- greisen
- · Replies 3 ·
Finding eigenvectors from eigenvalues of commuting matrices A and B
- greisen
- · Replies 1 ·
Purpose of the reflecting and limiting sphere in diffraction
- asdf1
- · Replies 2 ·
What is the big box that stabilizes ammeter and voltmeter readings?
- PenguinBoy
- · Replies 1 ·
Finding Reactive Force and Fuel Burn Rate of a Rocket Lift-Off
- Simka
- · Replies 1 ·
2 point charges with sphere inbetween
- Cairrd
- · Replies 1 ·
Coriolis force canceling out gravity
- arnesmeets
- · Replies 1 ·
Annihilation creation operator
- greisen
- · Replies 5 ·
Why Does the Taylor Expansion of a Magnetic Field Include a Factor of 1/2?
- Mothrog
- · Replies 1 ·
Electric Potential: Griffith's EM Problem 3.26 Solution
- stunner5000pt
- · Replies 2 ·
Rotational translations between L values and spectral lines
- jonesy101
- · Replies 1 ·
Potnetial of a spherical Shell
- stunner5000pt
- · Replies 6 ·
What Is the Correct Sign for the Capacitance of a Spherical Capacitor?
- schattenjaeger
- · Replies 2 ·
Different lengths of time between the same two events
- myoho.renge.kyo
- · Replies 1 ·
Checking limits for E-field solutions of spherical shells and line charges
- mewmew
- · Replies 1 ·
How Do You Calculate Cooling Time Without the Convection Coefficient?
- JSBeckton
- · Replies 19 ·
What is the magnification problem with two lenses?
- FlipStyle1308
- · Replies 21 ·
Solving Momentum Questions: Intital vs Final Momentum
- rkslperez04
- · Replies 5 ·
Energy to make a dielectric explode?
- scottKC
- · Replies 5 ·
Understanding Hermitian Operators and Their Properties on Complex Functions
- Logarythmic
- · Replies 3 ·
How to Determine the Lagrangian and Equations of Motion for Given Systems?
- astronomophosis
- · Replies 1 ·
Can an Observer See Their Feet Hit the Singularity in a Black Hole?
- dimachka
- · Replies 4 ·
Counting quantum states in a box and fitting S(e)
- stunner5000pt
- · Replies 19 ·
Why are electrons elastically scattered at small angles but not large angles?
- asdf1
- · Replies 4 ·
QM: where did that energy come from?
- koroljov
- · Replies 2 ·
How to Calculate Momentum Probability in an Infinite Well?
- greisen
- · Replies 1 ·
Uncertainty Principle in term of Angular Momentum
- Geronimo85
- · Replies 1 ·
Electric fields, magnetic fields and Lorentz frames
- golfingboy07
- · Replies 5 ·
Solve Ray Optics Problem to Find delta y
- FlipStyle1308
- · Replies 7 ·
Electromagnetic Induction and rectangular loop
- adrian116
- · Replies 4 ·
Orthogonal Functions: Questioning the Reason Why
- Logarythmic
- · Replies 1 ·
Is the Integral of f(x)/x Sin(nx) Zero as n Approaches Infinity?
- Logarythmic
- · Replies 1 ·
Diffraction Intensity of Unpolarized X-Ray Beam in YZ Plane
- asdf1
- · Replies 6 ·
Deriving Electric Field for a Conductor-Shell System using Gauss's Law
- chillaxin
- · Replies 1 ·
How Does Helium's Entropy Change After Slow Isothermal Escape?
- mewmew
- · Replies 1 ·
Taylor Expansion for Gravitational Acceleration Problem
- bemigh
- · Replies 8 ·
How Do I Prove These Projectile Motion Relations?
- Varaia
- · Replies 1 ·
How Far and How Long for a Block on a 22 Degree Incline?
- katana
- · Replies 1 ·
Finding height without angle in a ramp problem
- metalmagik
- · Replies 8 ·
Electric field energy sum due to surface charge?
- redmage
- · Replies 7 ·
Integrating Simple Expression: Solving (e^ax)cos^2(2bx)
- Geronimo85
- · Replies 4 ·
What Are the Momentum and Energy of Photons from a Decaying Particle?
- da_warped_1
- · Replies 2 ·
What is the Binding Energy of an Electron to a Metal Surface?
- McMaster_Girl
- · Replies 2 ·
Reflection and transmission for Dirac delta potential
- kcirick
- · Replies 1 ·
Help with infinite square well
- kcirick
- · Replies 7 ·