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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Quantum: Finding time derivative of momentum operator in terms of V(x)
- Gza
- · Replies 4 ·
Solving a Free Particle in 1D: Is \psi(X) an Energy Eigenstate?
- Epud
- · Replies 3 ·
Calculating Kinetic Energy of Reaction Products in 13-C (d,n) 14-N Reaction
- f4d_girl
- · Replies 7 ·
Mass of 18F9: Solve with Q-value and Kinetic Energy Equations
- f4d_girl
- · Replies 1 ·
Electric field calculation part B
- Lewis
- · Replies 4 ·
Electric Potential within a Vector.
- SubluxT7
- · Replies 2 ·
Write down the eigenvalue equation
- Exulus
- · Replies 7 ·
Operators minus scalars and dual vectors in uncertainty principle proofs
- Ahmes
- · Replies 2 ·
What is the difference between linear and angular momentum?
- teng125
- · Replies 1 ·
Electric field magnitude for electron accelerating 4.50 m in 3.00 μs
- hitek131
- · Replies 8 ·
Instruments to measure change of state
- Viola
- · Replies 3 ·
How do I determine if it's a Hermitian Operator or not
- MixilPlixit
- · Replies 10 ·
Calculating Potential of a Hoop in Electromagnetism
- ghosts_cloak
- · Replies 8 ·
Falling Loop in Magnetic Field: How long to leave field?
- dekoi
- · Replies 6 ·
Calculating Work Against Attractive Force Along Semi-Circle Path
- dimensionless
- · Replies 3 ·
Investigating Ball Bearing Roll Down Slope Time
- alex_boothby
- · Replies 2 ·
Thermal/Statistical Physics Problem
- NIQ
- · Replies 1 ·
Magnetic flux outside cylindrical conductor
- mmh37
- · Replies 2 ·
Calculate Speed of Sound with Echo Measurement
- 29 clicks
- · Replies 3 ·
What is the relationship between FS and HFS in the 3s3p Configuration?
- Henk
- · Replies 2 ·
Spherical distribution of negative charge with two protons
- nixx986
- · Replies 1 ·
Solving an Electrostatics Problem with Two 5g Spheres
- antiflag403
- · Replies 1 ·
Using CANOPUS 9.0.1.1 auto astrometry to detect 19th magnitude asteroids
- big man
- · Replies 2 ·
Light refraction through fused quartz prism with 80° incident angle
- cmilho10
- · Replies 1 ·
How Can You Calculate the Area of a Gold Leaf and the Length of a Gold Fiber?
- blanny
- · Replies 3 ·
Electrostatics Problems: Finding Electric Fields and Kinetic Energy
- music_man05
- · Replies 3 ·
How Do Decibels Determine Perceived Loudness and Amplifier Gain?
- leospyder
- · Replies 1 ·
Which is not a thermodynamical potential
- Amith2006
- · Replies 4 ·
What is the path of the ball's movement in different scenarios?
- sina_mech
- · Replies 1 ·
Fourier tr. of dirac delta in minkowski space
- fliptomato
- · Replies 1 ·
Quick angular momentum question
- Beer-monster
- · Replies 1 ·
Why Does Glass with Metal Coating Appear Red on One Side and Blue on the Other?
- wormhole
- · Replies 1 ·
Potential energy of a continous charge distribution
- asdf60
- · Replies 3 ·
Compton Scattering of of monochromatic light
- eep
- · Replies 7 ·
What is the capacitance of this device?
- sci0x
- · Replies 2 ·
Electromagnetism: Can anyone find the mistake?
- *Alice*
- · Replies 4 ·
Verifying A Cosines Addition Equation with Beats
- don_anon25
- · Replies 2 ·
Fermi energy for 2D free particles with constant density of states
- Beer-monster
- · Replies 3 ·
Quantum harmonical oscillator with electric field
- Chen
- · Replies 2 ·
Evanescent microwave laboratory project
- Sojourner01
- · Replies 1 ·
How can I prove derivative of cross vectors
- esradw
- · Replies 11 ·
Force between two uniformly charged rods
- skiboka33
- · Replies 3 ·
Why Does Angular Momentum of Electrons Change with Nodes?
- photon79
- · Replies 2 ·
Finding the electron increases if we go towards the nucleus?
- photon79
- · Replies 1 ·
What happens to motion when the derivative of radial vector is negative?
- stunner5000pt
- · Replies 2 ·
What Is the Nature of Orbits in an Inverse-Square Potential?
- stunner5000pt
- · Replies 4 ·
Moment of inertia about center of solid sphere
- darkar
- · Replies 4 ·
Calculate the lifetime of the theta meson
- FateEternal
- · Replies 3 ·
Electric Field in an Infinitely Long Cylinder
- skiboka33
- · Replies 1 ·
How do I apply inertial reference frames to a puck's path?
- esradw
- · Replies 1 ·
Can You Solve the Keplerian Two-Body Problem in Physics?
- GaleForce
- · Replies 1 ·
What Frequency Makes Currents Equal in an RLC Circuit's Inductor and Resistor?
- bemigh
- · Replies 1 ·
How Does Particle Motion in a Negative Inverse Square Potential Evolve?
- stunner5000pt
- · Replies 2 ·
Magnetic potential and inverse square law
- hotel
- · Replies 4 ·
Simplifying two-qubit photon Hamiltonian with Pauli operators
- xlh
- · Replies 1 ·
Calculating Entropy Changes in a Rigid Tank with Argon at Different Temperatures
- cmilho10
- · Replies 3 ·
Are Synchronized Clocks in One Frame Desynchronized in Another?
- Demian^^
- · Replies 1 ·
What is the wavelength of a 83 keV photon?
- FateEternal
- · Replies 2 ·
What is the energy of one of the orange light photons?
- FateEternal
- · Replies 2 ·
What Are P^{μν} and \bar{P}^{μν} in Relativity?
- TriTertButoxy
- · Replies 3 ·
How do I decipher the notation in Sakurai's Modern QM problem?
- inha
- · Replies 2 ·
Adiabatic Process for an Ideal Gas
- cmilho10
- · Replies 1 ·
Rotational KE of Cl2 Molecule: Calc Molar Mass 70.0 g/mol
- cmilho10
- · Replies 4 ·
Why is Clapeyron Equation Positive for Most Materials?
- asdf1
- · Replies 2 ·
Solving the Paradox of the Frame of Reference
- shaner-baner
- · Replies 1 ·
Measuring the moment in some direction
- fargoth
- · Replies 7 ·
Why is the trajectory a parabola when F is not parallel to p?
- stunner5000pt
- · Replies 12 ·
Orbital angular momentum of a 3D harmonic oscillator force
- stunner5000pt
- · Replies 6 ·
Testing photoelectric vs ionization smoke alarm sensors
- alex_boothby
- · Replies 2 ·
What is the speed of the rocket in special relativity?
- mewmew
- · Replies 9 ·
CM and Relative Coordinates; Reduced Mass
- Midas_Touch
- · Replies 1 ·
Calculating Work Done on Body by Friction: Compare Results
- stunner5000pt
- · Replies 3 ·
Thermal physics exam questions - would you check my answers please?
- Brewer
- · Replies 3 ·
Finding the eccentricity of Earth's orbit
- dimensionless
- · Replies 2 ·
What Condition Must q2 Meet to Experience a Repelling Force?
- Reshma
- · Replies 1 ·
Does Subtracting a Constant from a Hamiltonian's Diagonal Change Its System?
- fargoth
- · Replies 2 ·
Energy distribution and Maxwell speed distribution
- r4nd0m
- · Replies 5 ·
Gas Leak (Effusion): Solving Differential Equation
- moonman
- · Replies 4 ·
Rate of energy transfer by conduction through the window?
- cmilho10
- · Replies 1 ·
Change in charge density when electric field reverses in nerve membrane
- sci0x
- · Replies 6 ·
Estimating efficiency of a GaAs semiconductor laser
- Beer-monster
- · Replies 2 ·
Where Does the Energy Go in a Capacitor Without Resistance?
- Yegor
- · Replies 2 ·
Fourier series for motion of a triangular string
- Reshma
- · Replies 1 ·
What is the selection rule and how is it used?
- asdf1
- · Replies 3 ·
Why does spin-orbit coupling have positive and negative signs?
- asdf1
- · Replies 5 ·
Formulea in Heat and Thermodynamics
- Gamma
- · Replies 5 ·
What is the mass of the helium present - Thermodynamics
- cmilho10
- · Replies 1 ·
Work and Heat in Thermodynamic Processes
- cmilho10
- · Replies 1 ·
Heat and the First Law of Thermodynamics
- cmilho10
- · Replies 1 ·
How Do I Solve the Rocket's Motion Equation Using Separation of Variables?
- Moneer81
- · Replies 7 ·
How Does Integration by Parts Apply in Calculating Average Energy?
- Moneer81
- · Replies 1 ·
Photon flux calculation from Jackson's classical electrodynamics
- ptabor
- · Replies 1 ·
Jackson's Classical Electrodynamics
- LeoAlpha
- · Replies 6 ·
Electrostatics - charges on spheres and work done in moving them
- adammuncey
- · Replies 8 ·
What color will the oil appear and calculate the wavelenght
- ronny
- · Replies 1 ·
Properties of the dirac delta function
- ptabor
- · Replies 2 ·
Converting Wavelength to Frequency Spread in Optics
- Beer-monster
- · Replies 3 ·
Phase difference of reflected sound waves and Doppler beats from trains
- cmilho10
- · Replies 6 ·
Solving a Puzzling Solar Radiation Problem
- Beer-monster
- · Replies 2 ·