Free advanced physics homework help via qualified mentors. Upper undergraduate and graduate level. Please use the template when requesting help and show your work.
Threads
Find Thevenin's Voltage (VTH) Across Resistor R3 - Thevenin Theorem
- Loke
- · Replies 3 ·
Basic S.T.R. problem. K vs K' systems.
- amcelroy13
- · Replies 1 ·
What is the linear charge density of the insulating shell in this problem?
- aholtman
- · Replies 7 ·
Inserting a loop of copper wire between 2 magnets, what happens?
- dazza555
- · Replies 8 ·
Find the velocity and displacement of the particle at t=t1>0
- jazzyfizzle
- · Replies 1 ·
What is the effect of combining two sinusoidals with different frequencies?
- Physics2013
- · Replies 1 ·
E&M Problem using Maxwell's Equations
- shmiv
- · Replies 1 ·
Heat Conduction Initial Problem Set Up
- timman_24
- · Replies 1 ·
Beta decay and Heisenberg principle
- Heimisson
- · Replies 5 ·
What is the acceleration at point A on a rotating merry go round?
- Mugged
- · Replies 1 ·
Electromagnetics - potential inside a spherical surface
- zeeva
- · Replies 2 ·
Superposition of wave functions
- Gear300
- · Replies 1 ·
Energy eigenvalues and ground-state energy
- Jenkz
- · Replies 2 ·
Cylinder rolling down an inclined plane
- PhMichael
- · Replies 2 ·
How to Derive Electrostatic Boundary Conditions for Polarisation Field P?
- dsta
- · Replies 1 ·
Mass of a particle traveling in a circular path
- taylor.simon
- · Replies 1 ·
Expected r^2 for the 2s wavefunction of hydrogen atom
- chall
- · Replies 1 ·
How Fast Does the Second Piece of the Exploded Spaceship Travel?
- PhMichael
- · Replies 14 ·
Is the RLC Circuit in Resonance?
- Loke
- · Replies 2 ·
Final Temperature and Pressure Increase in Adiabatic Air Compression?
- rg2004
- · Replies 2 ·
Solve for IB, IC, IE, VB, VC: Figure 7, Bdc=40
- Loke
- · Replies 15 ·
What Is the Magnitude of Vector A?
- FriskeCrisp
- · Replies 1 ·
Calculating Voltage Change in a Voltage Divider Circuit
- JinFTW
- · Replies 1 ·
How can I calculate final pressures in a reversible argon expansion?
- marissy
- · Replies 4 ·
Intermediate E&M (Should Be Easy To Help)
- maherelharake
- · Replies 27 ·
Intermediate E&M. Electric Field above a square
- maherelharake
- · Replies 7 ·
Help me think about Proton-Proton -> Proton+Antiproton collision
- Olibaba
- · Replies 5 ·
Derive Electric Field of Cylinder Via Gauss' Law
- Jawbreaker
- · Replies 3 ·
Adiabatic process in a monatomic ideal gas
- Jenkz
- · Replies 4 ·
Relativity - space time interval between 2 frames
- accountkiller
- · Replies 1 ·
[thermodynamics] rate of ice formation, -area, +density
- fancyterm
- · Replies 6 ·
How Do You Derive This Kinetic Energy Equation for High-Speed Electrons?
- atomqwerty
- · Replies 2 ·
Where Is the Mistake in Calculating the New Angular Velocity?
- PhMichael
- · Replies 25 ·
What Is the Pressure Inside a Heated Rigid Tank?
- harshvardhan
- · Replies 4 ·
Partition function of classical oscillator with small anharmonic factor
- castlemaster
- · Replies 6 ·
Terminal velocity of falling drop with increasing mass
- rishisarode1
- · Replies 6 ·
Basic Quantum Physics - Particle(s) in a (3D) Box
- wavingerwin
- · Replies 11 ·
Electric Field at a Specific Point due to Two Charges
- Jgs19
- · Replies 1 ·
Point charges magnitude and direction
- J89
- · Replies 2 ·
Force question using Couloumb's law
- J89
- · Replies 5 ·
Calculate Compressional Force of Separated Hydrogen Protons/Electrons
- J89
- · Replies 1 ·
Rotating Bar Problem: Solving Angular Velocity
- Mugged
- · Replies 3 ·
What Are the Methods to Determine Surface Normal Direction at a Point?
- physiker99
- · Replies 3 ·
What Are the Mathematical Foundations of the Dipole Approximation?
- center o bass
- · Replies 1 ·
Show that the total energy of a system of charged particles is conserved
- Inferior89
- · Replies 2 ·
States of a spin 1/2 particle in a magnetic field
- ulcrid
- · Replies 4 ·
Can First Year Undergrad Physics Concepts Solve the Evaporation of Black Holes?
- hasan_researc
- · Replies 9 ·
How Can Maxwell's Equations Estimate Oscillating Fields Near a Light Bulb?
- hasan_researc
- · Replies 3 ·
Polytropic Process Work & Heat Transfer Calculation
- cowpuppy
- · Replies 5 ·
Electronic transitions for natrium atom
- rayman123
- · Replies 3 ·
Estimate the radius of a solar mass black hole.
- hasan_researc
- · Replies 6 ·
Quantum Mechanics 1D harmonic Oscillator
- dcuk86
- · Replies 1 ·
Acceleration proportional to velocity
- s0laris
- · Replies 4 ·
Possible values and their Probability of Measuring S^2 - Spin
- cp51
- · Replies 5 ·
General equation for relativistic momentum
- bhsmith
- · Replies 1 ·
Calculating Pion Desintegration Angle & Energy
- atomqwerty
- · Replies 6 ·
Charge Distribution from Known Potential - Induced on Surface of Metal Sphere
- bjnartowt
- · Replies 2 ·
An oscillating object very easy question (I think)
- s3a
- · Replies 9 ·
Graphical Representation of Cross Product
- jmtome2
- · Replies 1 ·
Help Understanding Biot-Savart Law Issue
- difftoint
- · Replies 4 ·
How to Treat the x Coordinate in Lorentz Transformations?
- PhMichael
- · Replies 8 ·
How Does Integrating Modified Newton's Law Lead to the Velocity Formula V(t)?
- bhsmith
- · Replies 3 ·
Thermodynamics question. Could be simpler than it looks, but I am really stuck.
- Jasbraman
- · Replies 5 ·
Why do degenerate energy levels shift or split due to perturbation?
- boyu
- · Replies 6 ·
Astrophysics - elliptical orbit proof help.
- Kiwithepike
- · Replies 8 ·
Vector Kinematics: Calculating Velocity & Position
- tdcamp
- · Replies 5 ·
How Does the Force Between Electric Dipoles Vary with Distance?
- inverTap
- · Replies 2 ·
Wondering about operators and matrix representations?
- jeebs
- · Replies 5 ·
How can the observer's speed make events A and B simultaneous?
- satchmo05
- · Replies 4 ·
How to calculate magnitude of magnetic field
- Aquam
- · Replies 1 ·
Experimental value of planck's constant
- fattykeong
- · Replies 2 ·
Relativistic Harmonic Oscillator
- Petar Mali
- · Replies 3 ·
Relativity, reference frames and Lorentz transformations
- Petar Mali
- · Replies 1 ·
Effect of high frequency current on resistance
- hikaru1221
- · Replies 5 ·
Time Dilation: Cells Divide on Earth & Travel to Sun
- atomqwerty
- · Replies 6 ·
Finding the pressure and temperature of a compressed monatomic gas
- Jenkz
- · Replies 3 ·
Proving the Image Charge in a Metal-Sphere-Shell
- bjnartowt
- · Replies 1 ·
Help with physics lab containing the centripetal acceleration law
- funkimunkeyy
- · Replies 7 ·
Calculating Material Bandgap Using Quantum Theory
- nanostar
- · Replies 2 ·
Calculating Heat & Work for 1 Mole of Ideal Gas
- kalbuskj31
- · Replies 8 ·
Confused by the fractions in the parenthesis
- patm95
- · Replies 3 ·
De Broglie wavelength application: molecular vibrations?
- mtmentat
- · Replies 5 ·
What is the minimum temperature for an ideal gas following a circular path?
- kalbuskj31
- · Replies 1 ·
Diffraction Gratings - N narrow slits
- bobpeg123
- · Replies 1 ·
Infinite Plane with Point Charge Above - Method of Images - Uniqueness Dogma
- bjnartowt
- · Replies 4 ·
Magnetic Field Calculation for Faux-Pas Currents
- danielakkerma
- · Replies 1 ·
Potential inside a hemispherical shell
- PullMeOut
- · Replies 7 ·
Potential energy in center of mass frame.
- center o bass
- · Replies 1 ·
How can I isolate beta in this trigonometric equation?
- asanka000
- · Replies 3 ·
An inner product must exist on the set of all functions in Hilbert space
- bjnartowt
- · Replies 5 ·
Use the given equation for magnitude of drag force to calculate time taken
- bobpeg123
- · Replies 4 ·
Thermodynamics, Isothermal Question
- kalbuskj31
- · Replies 4 ·
Reversible Adiabatic Process Question
- kalbuskj31
- · Replies 4 ·
Proof that all excess-charge resides at surface of perfect-conductor
- bjnartowt
- · Replies 5 ·
Finding position and velocity from Force (analytic mechanics)
- PhysicsMark
- · Replies 1 ·
Understanding Differential Equation Substitution in Rae's Quantum Mechanics?
- d.hatch75
- · Replies 7 ·
What is the Electric Field of a Ring with Uniform Surface Charge Density?
- vorcil
- · Replies 12 ·
What is the Nuclear Angular Momentum Quantum Number?
- eprparadox
- · Replies 9 ·