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
Photoelectric Effect: Ek of Electrons
- scriblez
- · Replies 1 ·
How Does the 3D Harmonic Oscillator Model Extend from 1D Solutions?
- cscott
- · Replies 5 ·
Adiabatic Expansion Homework: C_V, R, P1, V1, P2, V2, Entropy, Temp
- kidsmoker
- · Replies 5 ·
Faraday's Law, Magnetic Flux, and the dot product
- apples
- · Replies 4 ·
Inelastic Momentum: Calculating Mass and Speed After Car Collision
- Skullmonkee
- · Replies 7 ·
Fiber Optics Project: Determining Refractive Index w/ Int.
- welatiger
- · Replies 1 ·
How Close Must Two Stationary Electrons Be to Double Their Mass?
- whitehorsey
- · Replies 1 ·
Deriving Field Equations for Real Vector Fields using Euler-Lagrange (Tensors)
- ballzac
- · Replies 16 ·
Help needed with solutions to schrodinger equation
- vaibhav1803
- · Replies 13 ·
How Long Does the Strong Force Take to Act on a Pion?
- Winzer
- · Replies 2 ·
Threshold Frequency of Metal: 1.83e48Hz
- NayHoMa
- · Replies 1 ·
How Does a Magnetic Field Influence Hamiltonian Mechanics in Planar Motion?
- PhysiSmo
- · Replies 3 ·
Do these solutions look vaguely correct?
- bumclouds
- · Replies 10 ·
Calculating Energy Ratio of EM-Radiation
- triac
- · Replies 11 ·
Antisymmetry of a 2-Nucleon Wave Function Implies L+S+T=Odd
- SaFaRJaCk
- · Replies 5 ·
Proving solutions to the schrodinger equation
- Bacat
- · Replies 3 ·
Finding Noether Charges from Action
- malawi_glenn
- · Replies 2 ·
Does This Wave Function Normalization Look Correct?
- r16
- · Replies 5 ·
Q value of 3H(p,n)3He nuclear reaction
- Astrofiend
- · Replies 6 ·
Expected value of observable over time
- castlemaster
- · Replies 14 ·
How Does Moving with Velocity Affect Charge and Current Densities?
- Indran
- · Replies 1 ·
Understanding Non-Holonomic Constraints for Particle Motion
- Reshma
- · Replies 5 ·
Graphing potential & kinetic energy of an oscillating particle
- sousou_88
- · Replies 2 ·
Calculating Bat Flight Speed Using the Doppler Effect
- wimma
- · Replies 5 ·
Dissociation of H2O due to Photon energy.
- JJamison
- · Replies 5 ·
Distance to Stars: Calculating the Distance from Sun
- hhhmortal
- · Replies 15 ·
How Is the Energy Release from a Nuclear Detonation Measured?
- Astrofiend
- · Replies 5 ·
Thermal (PV) Diagram: Calculating Work, Heat Transfer & Entropy
- forty
- · Replies 21 ·
Solving the Schrödinger Equation: Need Help!
- asi123
- · Replies 2 ·
Spring pendulum with friction (Lagrange?)
- Nick89
- · Replies 2 ·
Dynamic Impossibility of Photon to Electron/Positron Conversion
- Woodzy
- · Replies 1 ·
Alpha decay short half lives correspond to large disintegration energies
- dm9292
- · Replies 1 ·
Frequency of Oscillation of a Molecule
- dm9292
- · Replies 2 ·
Time-dependent Schrodinger equation problem
- cscott
- · Replies 11 ·
Understanding D-Spacing Variation in XRD and Thin Film Analysis
- kasse
- · Replies 1 ·
Free Particle 1D: Box Normalization Question
- cscott
- · Replies 1 ·
Harmonic Oscillator - Normalization
- cscott
- · Replies 2 ·
Zeeman effect and defining the g_F Factor
- TFM
- · Replies 1 ·
Lagrange - Cylinder rolling on a Fixed Cylinder
- cscott
- · Replies 9 ·
Solenoid & Energy: Solenoid Dynamics & Power Flow
- rabbit44
- · Replies 1 ·
Lagrange - yo-yo with moving support
- cscott
- · Replies 4 ·
Calculate Initial Magnitude B of Uniform Magnetic Field
- golriz
- · Replies 1 ·
Stuck integral (electric potential)
- Carl140
- · Replies 4 ·
The coefficient of Friction changing under air resistance
- thomaspreece
- · Replies 3 ·
Writing sin^2 theta * Sin 2 phi in terms of spherical Harmonics
- Physicslad78
- · Replies 1 ·
Gauss's Law applied to Gravational Flux
- dm9292
- · Replies 2 ·
Why electrons can't remain in the nucleus
- CatWoman
- · Replies 6 ·
What Conditions Must Be Met for Proper Tensor Algebraic Expressions?
- DreamComeTrue
- · Replies 5 ·
How to Determine the Decay Constant of a Radioactive Substance?
- sweminka
- · Replies 5 ·
Calculating the Mean Free Path of Argon Atom
- hhhmortal
- · Replies 5 ·
Electron and matter waves: WE NEED HELP
- afcwestwarrior
- · Replies 1 ·
Help compute integral (electric potential)
- Carl140
- · Replies 4 ·
How Long Until a Radioactive Daughter Isotope Reaches 97% of Its Equilibrium?
- Winzer
- · Replies 4 ·
Transition Probability | Bransden & Joachain | 4.38 & 4.39 Dimension
- P3X-018
- · Replies 6 ·
Photons and matter waves: The photon of quantum light: I
- afcwestwarrior
- · Replies 14 ·
Mechanics - Show Forces Are Conservative
- Chronothread
- · Replies 1 ·
Rotational Analog to Ehrenfest's Theorem
- eep
- · Replies 8 ·
Absorption Of Heat; water and steam thermodynamics
- K29
- · Replies 3 ·
Why Is m Equal to 1 for Minimum Thickness in Thin Film Interference?
- math10e
- · Replies 1 ·
Electron in a hydrogen atom (uncertainty principle)
- gijoe
- · Replies 1 ·
How to Calculate Total Resistance in a Box-Formation Resistor Network?
- AROD
- · Replies 2 ·
How Much Thermal Heat Does a Resistor Emit When Charging a Capacitor?
- Horse
- · Replies 2 ·
Why Is the Radius of a Fermi Sphere Given by \( k_F = (3 \pi^2 n)^{1/3} \)?
- ehrenfest
- · Replies 1 ·
Understanding the Group and Particle Velocities in Relativistic Wave Mechanics
- phyzmatix
- · Replies 8 ·
FLRW Metric Tensor: Calculating g^{ca}g_{ab}
- trv
- · Replies 7 ·
Hydrogen-like ions energy levels
- CatWoman
- · Replies 16 ·
Deriving the EOM for Proca Lagrangian
- a2009
- · Replies 3 ·
How Does Time Dilation Affect Aging in Orbit?
- fredrick08
- · Replies 7 ·
Transverse Displacement of Stretched String: Derivation of Poisson Eq.
- UAR
- · Replies 1 ·
Uncertainty Principle Homework: Minimal Width of Crack
- asi123
- · Replies 2 ·
Help compute integral (electric potential)
- Carl140
- · Replies 4 ·
Velocity Transform: Solving Homework Questions
- Skullmonkee
- · Replies 10 ·
Solving a Tensor Field: Divergence of P = 0
- Päällikkö
- · Replies 1 ·
Green's Function Homework: Real & Imaginary Parts
- Mancho
- · Replies 2 ·
Help with length contraction and relativistic momentum please
- shamille
- · Replies 6 ·
How to Calculate Scattering Amplitude in the Born Approximation?
- wgdtelr
- · Replies 1 ·
Charge density of an infinite 1D system
- El Hombre Invisible
- · Replies 1 ·
Why can't a free electron absorb or emit photon?
- Zeus2nd
- · Replies 7 ·
How Does the Doppler Effect Change with Observer Angles?
- thingy
- · Replies 8 ·
Work when the force is increasing in relation to time
- luckis11
- · Replies 1 ·
Determine the speed of the shuttle craft
- fredrick08
- · Replies 4 ·
Quadrupole tensor for spherical star (schutz ch9q28))
- Mmmm
- · Replies 3 ·
A/S level Physics- Pre-release material
- berzerker
- · Replies 1 ·
First order peturbation theory.
- wgdtelr
- · Replies 1 ·
How Does Special Relativity Affect the Twist of a Rotating Cylinder?
- ballzac
- · Replies 4 ·
Orthogonality and find coefficients
- captainjack2000
- · Replies 1 ·
How Do Radio Waves Attenuate in Water Over Distance?
- krickette
- · Replies 1 ·
Understanding Ternary Phase Diagrams for Inverted Micelle Formation
- kasse
- · Replies 1 ·
How to Set Constraints on Variables in Mathematica?
- Hazerboy
- · Replies 5 ·
What Are the Latest Projects in Nanotechnology?
- Odet
- · Replies 2 ·
How Do You Solve a Second Order Linear Differential Equation?
- captainjack2000
- · Replies 4 ·
QM: Spin-orbit and wavefunctions for H
- Niles
- · Replies 2 ·
Help me in understanding and solving
- naada
- · Replies 2 ·
How Accurate Is the Estimated Ionization Energy Formula for Hydrogen?
- CatWoman
- · Replies 1 ·
Sphere of magnetic material in an applied field
- dave4000
- · Replies 1 ·
Current density at the surface of a magnetised material
- dave4000
- · Replies 3 ·
Working out Zero-Point Energy and ration of potential to kinetic for a particle.
- Epideme
- · Replies 4 ·
Why is there a minus sign in the fermionic gas entropy equation?
- MathematicalPhysicist
- · Replies 6 ·
Probability Distribution Question
- Epideme
- · Replies 1 ·