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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Thermodynamics Homework: Find Work Given Heat & Temp Change
- Robershky
- · Replies 5 ·
Shocley equation/Cyclotron motion (2Q's)
- Gogsey
- · Replies 3 ·
Tensor Derivatives, General Relativity
- Reedeegi
- · Replies 1 ·
Griffiths' explanation of degenerate perturbation theory
- Niles
- · Replies 14 ·
How Do I Integrate a WKBJ Semi-Classic Integral with a Square Root?
- karkas
- · Replies 6 ·
Number of photons/volume surrounding radio transmitter
- Mika3
- · Replies 2 ·
How to express van der waals equation as virial expansion?
- Chaste
- · Replies 1 ·
Perturbation Theory with Symmetric Rotator
- Marthius
- · Replies 6 ·
Kinetic Energy of rod with lower end in contact with smooth surface
- C. Darwin
- · Replies 5 ·
Webassign even my ta's didn't know what to do ? and im in intro to physics
- phys-lexic
- · Replies 2 ·
Tension, Linear Mass Density, and transverse waves
- SpaceTrekkie
- · Replies 1 ·
Why Does the Delta Function Cause Different Charge Densities in Electrodynamics?
- americanforest
- · Replies 11 ·
Prove Lorentz Invariance of a^{\mu}b_{\mu} Equation
- radonballoon
- · Replies 15 ·
Finding v(t) for a velocity dependent force
- littlehonda
- · Replies 12 ·
Observed lifetime of muons (relativity)
- Ravenatic20
- · Replies 4 ·
Thermal Physics, Kittel Chapter 2 problem 2
- kde2520
- · Replies 1 ·
Expectation values of the electron.
- hhhmortal
- · Replies 4 ·
Resistance Problem Find Length of Wire
- m_physics
- · Replies 1 ·
Derivation of Length Contraction (special relativity)
- Chewy0087
- · Replies 1 ·
Multiplicity of a Einstein Solid, Low Temperature Limit
- TFM
- · Replies 4 ·
Alpha Particle shot at Nucleus Energy
- pearbear21
- · Replies 2 ·
Momentum and kinetic energy through potential difference
- itsdanfreas
- · Replies 1 ·
Show momentum is conserved in two different frames (relativity)
- Ravenatic20
- · Replies 2 ·
Rotation of Earth effects the weight of star.
- Victorian91
- · Replies 2 ·
What is the Potential of a Charged Disk?
- Black Armadillo
- · Replies 5 ·
Weekly Lab Sessions: Guide to Keeping a Good Lab Book
- welshelmo
- · Replies 1 ·
Aphelion/Perihelion of Halleys comet
- zanazzi78
- · Replies 3 ·
How Does the String's Path Affect Angular Momentum and Final Speed?
- csnsc14320
- · Replies 3 ·
Electric Field of a Conducting Slab
- aurora14421
- · Replies 2 ·
Relating Optical Depth and Extinction (τ(λ) and A(λ))
- Mike89
- · Replies 2 ·
QM: Arbitrary operators and their eigenstates
- Niles
- · Replies 14 ·
Projectile motion - surface of max range
- insynC
- · Replies 2 ·
What Is the Length of a Meter Stick Moving at an Angle?
- SpaceTrekkie
- · Replies 3 ·
What is the electric flux through a surface with a point charge at its center?
- katta002
- · Replies 5 ·
Solving Gauss's Law for Electric Field at y=0.2m & y=0.6m
- carloqthegrea
- · Replies 8 ·
Classic E&M Problem: Analyzing Point Charge & Charged Sphere
- turnerre
- · Replies 1 ·
Dynamics question (polar kinematics). Please help.
- MC_UNLV
- · Replies 4 ·
What is the potential and electrostatic energy of a charged conducting sphere?
- latentcorpse
- · Replies 28 ·
Inhomogeneous Dielectric Question
- jackd3
- · Replies 1 ·
Integrals: A Question on Validity and Substitution
- ManyNames
- · Replies 2 ·
Solving Energy Levels of 2-Spin 1/2 System
- ghostflame
- · Replies 2 ·
What is the equations of motion for a pendulum and spring
- swooshfactory
- · Replies 1 ·
How Does Light Expand in a Ring Around a Dusty Star?
- stellaman
- · Replies 1 ·
How Can You Sketch the Potential of a Particle in Vector Calculus?
- implet
- · Replies 1 ·
What Deceleration Prevents a Train Collision?
- soul5
- · Replies 16 ·
How Is Current Distributed in a Complex Circuit?
- crhscoog
- · Replies 1 ·
Phase Shifting Wave Functions: A How-To Guide
- SpaceTrekkie
- · Replies 2 ·
What Causes Oscillation in an Electro-Oscillator Setup?
- Cgall24
- · Replies 7 ·
Is the Magnitude of the Fly's Acceleration Constant in a Helical Path?
- Ravenatic20
- · Replies 10 ·
Spherical conductor in electric field
- latentcorpse
- · Replies 13 ·
How long does it take to boil water in a 600 watt microwave oven?
- pentazoid
- · Replies 21 ·
The unit tangent/normal vectors to motion+their derivatives
- -Vitaly-
- · Replies 8 ·
Matrix represntation of angular momentum operator (QM)
- joker_900
- · Replies 5 ·
Proving Determinant of Unitary Matrix is Complex Number of Unit Modulus
- skrtic
- · Replies 5 ·
Work required to move a charged ball
- Black Armadillo
- · Replies 3 ·
How can pressure and volume affect the work, energy, and heat of helium gas?
- pentazoid
- · Replies 8 ·
Find CM of Round Bottom Cone | Centre of Mass Problem
- Gogsey
- · Replies 3 ·
What is the sum of the series s(x) = 1 + cos(x) + (cos 2x)/2! + (cos 3x)/3! ...?
- thanksie037
- · Replies 1 ·
What Is the Well Depth V0 for Exactly Two States in a Finite Square Well?
- greisen
- · Replies 6 ·
Collision of 2 Stars: Calculating Angular Velocity & Momentum
- Gogsey
- · Replies 1 ·
Simple Harmonic Motion, masses, and springs.
- csnsc14320
- · Replies 4 ·
What is the Solution to the One-Dimensional Particle in an Energy Well Problem?
- TFM
- · Replies 40 ·
Energy needed to tunnel through a potential barrier
- Tester_Boy
- · Replies 1 ·
Typical Speed of Air Molecules at Different Elevations
- kasse
- · Replies 1 ·
Adiabatic compression in a diesel engine
- pentazoid
- · Replies 2 ·
Jakson/angular momentum in electric field
- freehuman79
- · Replies 2 ·
How Is Energy Managed in a Cyclic Process of an Ideal Diatomic Gas?
- pentazoid
- · Replies 1 ·
QM Variation Method: Show Equations from ci Parameters
- Old Guy
- · Replies 3 ·
Energy of one cylinder rolling down another cylinder
- C. Darwin
- · Replies 12 ·
QM: Commuting the Hamiltonian with position
- Niles
- · Replies 4 ·
Quasi-chemical model in thermodynamics
- asdf1
- · Replies 1 ·
Finding Mass for a Standing Wave in a Horizontal String
- MK7_Ironman
- · Replies 1 ·
Derivation of boiling an egg formula using laplace transformation
- crazystuff
- · Replies 1 ·
An Expression for a Measurement Equation
- ManyNames
- · Replies 5 ·
Is the Graph of Lattice Spacing vs Inverse Square Root of Voltage Linear?
- Mathos
- · Replies 1 ·
QM: Operator algebra and inner products
- Niles
- · Replies 5 ·
Commutator relations in simple harmonic oscillator
- brasidas
- · Replies 1 ·
Junction Potential: Nichrome Wires of Different Lengths & Areas
- jdstokes
- · Replies 1 ·
What is the relationship between water height and standing waves in a tube?
- WhyPrime89
- · Replies 1 ·
Electric potential along the axis of a cylindric tube
- Physics_101
- · Replies 1 ·
Fundamental definition of temperature
- kasse
- · Replies 1 ·
What Is the Sound Speed in a Two-Phase Mixture?
- markmai86
- · Replies 1 ·
Conservation of Momentum and Energy for a System of Connected Particles
- pentazoid
- · Replies 1 ·
Ideal Gas Law: Solve 1.0x10-6 mmHg @ 40°C
- G4PHYSICS
- · Replies 2 ·
Need help with proof for expectation value relation.
- Lovemaker
- · Replies 1 ·
Find the final angular speed of the target
- pentazoid
- · Replies 4 ·
Invariant Lagrangian Homework: Find Solutions
- cap.r
- · Replies 2 ·
Quantum Mechanics - Infinite Potential Well
- TheBaker
- · Replies 2 ·
Electric field due to distributed planar charge
- easybakeoven
- · Replies 1 ·
Can You Help Me Understand Deformation of Solids in A Level Physics?
- blueforest
- · Replies 4 ·
The Rocket Equation: Unraveling the Mystery
- adphysics
- · Replies 5 ·
Ind the magnitude of the electric field
- Oblivion77
- · Replies 3 ·
Charge Density of wire with potential difference
- Nexest
- · Replies 5 ·
Use Gauss' Law to find the electric field
- latentcorpse
- · Replies 2 ·
Relativistic electron in static electric field
- Hybird
- · Replies 4 ·
Solving Electric Fields in Surface Charge Density Problems
- latentcorpse
- · Replies 1 ·
Is the Hydrogen Atom Ground State Wave Function Normalized?
- jg370
- · Replies 3 ·
How to Derive the Third Equation for Different Values of Gamma?
- orochimaru
- · Replies 1 ·
How to Solve for Radial Component in Rigid Body Rail Problem?
- transgalactic
- · Replies 7 ·