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The density within of sphere so that gravity is constant
- richard7893
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Need some pointers on some puzzling questions
- Watsonb2
- · Replies 3 ·
Calculating Proton Decay in a Swimming Pool
- w3390
- · Replies 1 ·
How Does Frequency Affect Laser Diffraction Through a Phase Grating?
- franky_boy
- · Replies 1 ·
Principle Quantum Number - Transition
- cpmiller
- · Replies 1 ·
Numericals On Electrostatics (including Coloumbs Law)
- srijit92
- · Replies 2 ·
Calculating Solid Angle from Light Source: Steradians to Radians?
- raisin_raisin
- · Replies 3 ·
Project Ideas for Classical Mechanics
- projecthelp
- · Replies 1 ·
Power consumption for a specific time period
- mathew086
- · Replies 2 ·
Proving 2<T> = <x\frac{dV}{dX}> and Virial Theorem
- Void123
- · Replies 1 ·
Producing 100 iterations from Newton's method in matlab
- noblegas
- · Replies 5 ·
Finding the reducible representation for BF3 planar vibrational modes
- lanbeiming
- · Replies 1 ·
The oscillation of liquid in U tube which has an acceleration
- IPhO' 2008
- · Replies 1 ·
Hermicity of alpha (dirac equation)
- ballzac
- · Replies 4 ·
Relativity: Gravitational Redshifting
- sawre
- · Replies 2 ·
D dimension scalar potential for point charge
- babyEigenshep
- · Replies 4 ·
Is (d^2/dx^2) a Hermitian Operator?
- kcirick
- · Replies 10 ·
Proving time independence of energy eigenstates
- Gnator
- · Replies 2 ·
Angular frequency precession of spinning top
- indie452
- · Replies 6 ·
Finding eigenvalue and normalized eigenstate of a hamiltonian
- noblegas
- · Replies 11 ·
Find the eigenstates and eigenvalues of the Hamiltonian.
- MathematicalPhysicist
- · Replies 34 ·
Perturbation theory: step potential in square well and 2D harmonic oscillator
- MathematicalPhysicist
- · Replies 4 ·
What is the formula for calculating the mass of a star in astronomy?
- Unto
- · Replies 2 ·
Angular momentum components in spherical coordinates
- Oerg
- · Replies 4 ·
Launching a rocket to circular orbit with single-stage engine
- joeblack99999
- · Replies 1 ·
How to Calculate Induced EMF and Self-Inductance in a Long Solenoid?
- libelec
- · Replies 2 ·
How High is the Cliff if Radio Waves Interfere at 25 Degrees?
- a.a
- · Replies 16 ·
Solving Classical Mechanics #3d - Momentum p in Jaccobi Function
- Cosmossos
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Harmonic oscillator equations of motion for creation/annihilation operators
- Loxias
- · Replies 9 ·
The Hamiltonian vs. the energy function
- Loxias
- · Replies 4 ·
How Is Electric Potential Calculated Above a Charged Ring?
- jlanghart
- · Replies 1 ·
Cosmology: Horizon of the universe
- rabbit44
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Moment of Inertia Problems and Conservation of Energy
- Lancelot59
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Freq response of forced sinusoidal motion:
- H_man
- · Replies 2 ·
Terminal velocity of a falling conducting ring
- quasar_4
- · Replies 2 ·
Self and Mutual Inductance in a Toroid
- libelec
- · Replies 3 ·
Finding Thermal Equilibrium Temperature
- Bizkit
- · Replies 16 ·
Special Relativity: Pion Decay - Two Photons
- FaradayCage
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What Angle Does a Bullet-Impacted Pendulum Swing To?
- captainjack2000
- · Replies 3 ·
Commutator-like notation, index notation
- ncs22
- · Replies 2 ·
Specific heat capacity and friction
- chanella35
- · Replies 1 ·
A problem on the paraxial wave equation?
- jeebs
- · Replies 3 ·
Calculating Effective Nuclear Charge using Ionization Energy
- doublavay
- · Replies 3 ·
How Do Eigenstates of a Spin System Evolve in Time?
- Nafreyu
- · Replies 6 ·
Kinetics Problem: Finding average normal force
- woody89
- · Replies 4 ·
Using the AC or opening the windows
- Backstageff
- · Replies 8 ·
Determining the Temperature of a Hydrogen Gas
- captainjack2000
- · Replies 2 ·
Power reflection coefficient of EM radiation on a good conductor
- Plutoniummatt
- · Replies 2 ·
Solve T2 for the Pulling Force T3 = 98.0 N
- lovemake1
- · Replies 1 ·
Given the electric flux find the total charge in a tiny sphere
- kacete
- · Replies 12 ·
Calculating Electron Energy Shift with Perturbation Theory
- MathematicalPhysicist
- · Replies 14 ·
How Do You Construct and Analyze Spin Matrices for a Spin 1 Particle?
- mtmcavoy
- · Replies 3 ·
Air drag and acceleration (not gravity)
- Unstoppable13
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Simple Harmonic Oscillator - Schrodinger Equation
- cpmiller
- · Replies 8 ·
Maxwell stress tensor between two charged current-carrying cylinders
- tomfrank
- · Replies 3 ·
Solving Poyntings Vector for a point charge
- HPRF
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Isothermal helium core model with hydrogen envelope
- astrop
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Is there a video lecture on modern physics coordinates?
- lom
- · Replies 2 ·
Circular polarization and finding B(x,t) from Faraday's law
- leoflindall
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Is there always a potential for conservative motion?
- Nusc
- · Replies 2 ·
Classical Mechanics, clyinder inside a cylinder.
- Spoony
- · Replies 3 ·
Do (Lz)op and (L^2)op Commute?
- metgt4
- · Replies 8 ·
Derive the Period of an Oscillating Sphere
- SpringPhysics
- · Replies 20 ·
Solve Tension on Rope: 50kg Mass, 50m Length, 100m Height
- josey584
- · Replies 1 ·
Solve Astrophysics Problems: Quasar Time Scale and Density Models
- jdw_
- · Replies 1 ·
Easy variational principle question that I can't integrate
- mrausum
- · Replies 8 ·
Special Relativity - Lorentz Force Law
- Nusc
- · Replies 3 ·
What is the function for temperature distribution in a rod with heat springs?
- fluidistic
- · Replies 10 ·
How to Solve for the Magnetic Field of a Bar Magnet?
- k33g0rz
- · Replies 3 ·
Change in entropy in a polytropic process
- ricof
- · Replies 11 ·
Schroedinger's equation with positive energy
- Matthew888
- · Replies 5 ·
How Do You Calculate Orbital Speed in Different Galactic Density Models?
- CaptainEvil
- · Replies 1 ·
Block slides along an elevated track
- Slimsta
- · Replies 1 ·
Analysis of 4 Equal Masses on a Circular Path
- jameson2
- · Replies 2 ·
LEDs different colours and their forward(working) voltage
- indie452
- · Replies 1 ·
Quasar variability timescale and black hole Schwarzschild radius
- CaptainEvil
- · Replies 3 ·
The equivilence of Power and Kinetic Energy
- Unto
- · Replies 4 ·
How do I eliminate the Lagrange multiplier to find the wave function?
- Cosmossos
- · Replies 1 ·
What Is Geodesic Incompleteness in General Relativity?
- latentcorpse
- · Replies 3 ·
Minimum Coefficient of Friction for Non-Rolling Disk on Platform
- estalas
- · Replies 17 ·
Transforming coordinates for a vertical hoop
- Loxias
- · Replies 14 ·
Classical mechanics-acc. of a rod using inertia
- indie452
- · Replies 2 ·
Expectation value r^2 for a radial wave function
- blaksheep423
- · Replies 7 ·
Quantum tunnelling for a finite-square potential parrier
- blaksheep423
- · Replies 1 ·
Calculating Angular Velocity: Motor at 60rpm Comes to Rest in 10 Revolutions
- pratz
- · Replies 1 ·
Solving for Spring Compression: 2.3kg Dropped 4.82m
- jamexd
- · Replies 1 ·
Calculating Spring Constant using Minimum Energy State of hydrogen atom
- calphyzics09
- · Replies 5 ·
How do I effectively normalise the Schrodinger PDF with given conditions?
- Identity
- · Replies 6 ·
Sqaure Wave Fourier Transform question
- nissanztt90
- · Replies 3 ·
What is the relationship of modulus and temperature?
- pipibaby
- · Replies 1 ·
Proving Feynman Slash Identity: 2a\cdot b
- nicksauce
- · Replies 1 ·
Describing Physical Events with Spacetime Points
- latentcorpse
- · Replies 1 ·
LS-coupling for configurations with equivalent electrons
- damaks
- · Replies 3 ·
What are the Stress and Strain in each rod?
- thetruth1988
- · Replies 3 ·
How Do Coordinate Systems Affect Acceleration in Rotating Frames?
- Void123
- · Replies 3 ·
How Do You Calculate the Net Force on a Balloon?
- pipjordan
- · Replies 1 ·
Initial and final quantum numbers/Doppler shift/Spectral lines Question
- xago
- · Replies 3 ·
How Are Isospin Values Determined?
- jeebs
- · Replies 1 ·
Entropy of a One Dimensional Polymer
- M@B
- · Replies 2 ·
Compton Scattering (Back-Scattering)
- xago
- · Replies 1 ·