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 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 ·
What is the formula for calculating velocity in a classical potential?
- transgalactic
- · Replies 1 ·
Solving Projectile Motion: Finding Max Height & Final Speed
- Gogsey
- · Replies 3 ·
Effect of gravity on the precession rate of a gyroscope
- em2390
- · Replies 2 ·
What Is a Precessing Ellipse and How Does It Relate to Orbital Dynamics?
- siddharth
- · Replies 11 ·
Electromagnetism question (Stump book) - Dielectric
- Noob.com
- · Replies 5 ·
Question: How can I calculate the steepest slope of a hill using its equation?
- Noob.com
- · Replies 4 ·
Proving Divergence Theorem using Gauss' Theorem
- latentcorpse
- · Replies 15 ·
Gyroscope precession time calculation discrepancy
- csnsc14320
- · Replies 7 ·
Entropy Change of Supercooled Water Freezing Spontaneously
- sanitykey
- · Replies 5 ·
Problem in finding the electric field()
- vchris5
- · Replies 2 ·
A ball on a carpet, while we pull it
- Cuzo
- · Replies 1 ·
A bicycle tire that has a slow leak,
- pentazoid
- · Replies 2 ·
Magnitude fo the compressive stress
- jaredmt
- · Replies 6 ·
Rocket Acceleration in a Uniform Gravitational Field: Analyzing Momentum Change
- Gogsey
- · Replies 1 ·
How can I find the shape of an orbit under an inverse cube law of force?
- bushdayroses
- · Replies 2 ·
Banked curve with radius 70 m: is friction needed at 90 km/h?
- rslamin23
- · Replies 1 ·
Finding molar specific heat at constant pressure for an ideal gas
- Indy2424
- · Replies 1 ·
Columb distance/charge balancing problem
- Specialmias
- · Replies 2 ·
Finding Potential Energy of a Particle Constrained to a Surface
- Jen6
- · Replies 4 ·
How Big is the Balloon When Helium Tank Pressure Drops?
- gabriel5
- · Replies 3 ·
Calculating Work on a Frictionless Horizontal Table
- roeb
- · Replies 4 ·
How to Calculate Artificial Gravity in a Rotating Space Station?
- LovePhysics
- · Replies 1 ·
Effusion Gas Leakage: Estimating the Rate of Escape Through a Hole
- pentazoid
- · Replies 2 ·
Physical reason for diagonal matrix
- Brewer
- · Replies 7 ·
Can Mathematica Plot Functions with Undefined Parameters?
- LocationX
- · Replies 1 ·
Mathematical problem from the course of reactor physics
- phys_g
- · Replies 2 ·
Do Angular Momentum Components Commute with Nabla Squared and r Squared?
- SunGod87
- · Replies 2 ·
Force on Particle due to Sphere with Cylindrical Hole
- Leyic
- · Replies 3 ·
Electric Flux through a Spherical Surface at the Origin
- Black Armadillo
- · Replies 4 ·
Mirror transmission and pump strength in laser rate equations
- Umbra Lupis
- · Replies 3 ·
What is the new orbit if k is halved in a circular orbit with F(r)=-k/r^2?
- phys_learner
- · Replies 8 ·
Bungee chord (standing waves and antinodes.)
- j88k
- · Replies 1 ·
Velocity in Lorentz Transformations
- zimbabwe
- · Replies 3 ·
Elastic collision between an unknown mass and an alpha particle
- pentazoid
- · Replies 4 ·
What is the volume ratio of a helium balloon at different altitudes?
- wiggler115
- · Replies 2 ·
Temperature distribution two semi-infintie bodies
- Drokz
- · Replies 1 ·
What is the wavelength of the sound waves emitted by two speakers?
- manjula
- · Replies 1 ·
Optics Homework: Blue Light Diffracted by Grating
- poohead
- · Replies 12 ·
Understanding Motion in a Pulley System
- psykatic
- · Replies 4 ·
Electric field from uniform line charge on the y-axis
- clickcaptain
- · Replies 4 ·
Young's Two-Slit Exp: Calculate OP w/ Wavelength 6.0*10^-7 m
- therisingpower
- · Replies 1 ·
Net electric force on neg charge next to a pos charge, inbetween a elec field
- hopeless123
- · Replies 1 ·
Interference and diffraction of light
- poohead
- · Replies 12 ·
How Do You Calculate the Half-Life of a Radioactive Substance?
- poohead
- · Replies 1 ·
Is a Car Considered Alive Based on Its Energy Use?
- phynoob
- · Replies 1 ·
How Long Does It Take for a Flywheel to Stop with Applied Tangential Force?
- Kalus
- · Replies 4 ·
Elastic collisions between proton and helium nucleus
- pentazoid
- · Replies 1 ·
How Do You Calculate Forces on Charges Using Coulomb's Law?
- poohead
- · Replies 4 ·
Lorentz transformation with same-place events
- yellowputty
- · Replies 3 ·
Proving Vector A and d\vec{}A/dt Are Perpendicular With Constant Magnitude
- jawwadaziz
- · Replies 5 ·
Find the electrostatic potential due to a hoop of charge
- wam_mi
- · Replies 1 ·
Problems related to eigenfunctions and eigenvalues
- rakeshksinha
- · Replies 1 ·
Finding equation of motion from lagrangian
- adjklx
- · Replies 1 ·
How Does Theta Affect Particle Speed on an Accelerating Sphere?
- quantum brain
- · Replies 3 ·
Charge density and potential in a semiconductor
- Gogsey
- · Replies 1 ·
Origin of the 1/4 factor in the molecular flux formula
- raintrek
- · Replies 1 ·
How Do Derivatives Estimate Measurement Errors?
- Air
- · Replies 2 ·
How Can Total Momentum Remain Zero Post-Explosion in a Moving System?
- suzsara7
- · Replies 4 ·
Homework Problem Involving Forces, Torque, and Moment of Inertia
- tommyhakinen
- · Replies 1 ·
Fluid mechanics: Separation surface of a source in a parallel flow (3D)
- steem84
- · Replies 2 ·
Quantum/linear algebra and vector spaces
- saraaaahhhhhh
- · Replies 1 ·
Finding the point where clock readings are identical in two reference frames
- shanu_bhaiya
- · Replies 2 ·
How to Calculate Velocity and Position of a Proton in an Electric Field?
- Gogsey
- · Replies 24 ·
Vector potential for square loop near sinusoidal line current
- shehry1
- · Replies 7 ·
How do nuclear magnetic moments differ from electronic moments in NMR?
- Quattro
- · Replies 2 ·
Why does apparent weight decrease from pole to equator?
- poohead
- · Replies 15 ·
How to Solve These Rotational Dynamics Problems?
- csnsc14320
- · Replies 3 ·
A Medieval Knight attacking w/ a Cannon
- dkbuono
- · Replies 1 ·
Particle in a box: probability after walls suddenly expand to 2L
- jin85
- · Replies 1 ·
When to use r and R in Gauss's law for spheres?
- vladittude0583
- · Replies 3 ·
Help calculating spherical harmonics coefficients for sin(theta)
- pgerlein
- · Replies 3 ·
10 particles in a 3D infinite square well: bosons vs fermions
- Fourier mn
- · Replies 3 ·
Ideal gas law problem concerning the exponetial atmosphere: part 4
- pentazoid
- · Replies 1 ·
How Do You Calculate the Range of a Cannon Ball on an Inclined Plane?
- Gogsey
- · Replies 10 ·
Solving for Projectile Motion: Initial Velocity, Angle, Time, and Distance
- poohead
- · Replies 1 ·
What Is the Frictional Force Between Block and Table After Bullet Impact?
- poohead
- · Replies 1 ·
Electric field in an arbitrary cavity inside a conductor
- shinobi12
- · Replies 1 ·
Effect of a magnetic field on a bean of particles.
- felixthecat
- · Replies 1 ·
What are the Initial Velocities of Two Cars Colliding at Different Directions?
- poohead
- · Replies 4 ·
How Do Transmission Lines Function as Parallel LC Circuits?
- wakko101
- · Replies 1 ·
What is the Quadrupole Moment in Jackson's Multipole Expansion Problem 6.4b?
- shehry1
- · Replies 5 ·
Calculating the pressure of a hailstone
- pentazoid
- · Replies 1 ·
How to Calculate Average Force Vectors During a Collision?
- iluvphys
- · Replies 5 ·
An approximation of the ideal gas law for real gases
- pentazoid
- · Replies 1 ·
Calculating size of charge distribution with a known electric field
- nsatya
- · Replies 1 ·
Why Does B(cm^3/mol) Change Sign with Temperature?
- pentazoid
- · Replies 1 ·
Acceleration of Protons and Electrons at a certain distance provided.
- SuPaFly43218
- · Replies 5 ·
How Is Heat Energy Distributed in H2 Combustion?
- quasar_4
- · Replies 1 ·
Thermal Expansion of Mercury and Water
- pentazoid
- · Replies 7 ·
Linear/Surface/Volume Charge Density
- wbluem88
- · Replies 1 ·
Siphon flow rate with water 40m above intake point
- Lorna18
- · Replies 1 ·
Hydrostatics and fluid mechanics
- Lorna18
- · Replies 1 ·
Solving the Displacement of Particle on a Stretchy Spring
- vortec135
- · Replies 1 ·
Ideal gas law problem : part 3
- pentazoid
- · Replies 2 ·
Is the Size of a Wave Packet Constant in Quantum Physics?
- luisgml_2000
- · Replies 15 ·
Which Convention Should Be Used to Calculate Electromagnetic Tensor Invariants?
- parton
- · Replies 8 ·
Calculating Charges on Uniformly Charged Spheres
- simple_kuri
- · Replies 2 ·