Mechanics

Compute mechanical work:

work F=30N, d=100m

Compute centripetal acceleration:

centripetal acceleration, 30mph, 500 ft

Do a gravitation calculation:

gravitation calculation

Oscillations & Waves

Analyze a harmonic oscillator:

damped harmonic oscillator with forcing

Analyze the motion of a spring pendulum:

spring pendulum l0=0.12m, li=0.24m, thetai=80deg

Compute a Doppler shift:

Doppler shift 300Hz, 75mph

Statistical Physics

Find the Maxwell speed distribution of a gas:

msd for neon at 800 K

Compute entropy with the Sackur–Tetrode equation:

Sackur-Tetrode equation

Thermodynamics

Do computations with Joule's law:

Joule's law u=3V, R=1ohm for 10s

Analyze an adiabatic process:

adiabatic process Vi=10L, Vf=2L, pi=1atm

Do an ideal gas law computation:

ideal gas law 2.2mol, 2.0atm, 500K

Analyze an Atkinson cycle:

Atkinson cycle Tc=150C, Th=900C, compression ratio=3

Electricity & Magnetism

Use input fields to specify data for an Ohm's law computation:

Ohm's law calculator

Find equations associated with a magnetized object:

magnetized ball

Analyze an RLC circuit:

RLC circuit 10ohm, 12H, 400uF

Do a Coulomb's law computation:

Coulomb's law 2.0mC, 5.0mC, 250cm

Optics

Do computations using the thin lens equation:

lens, f=20ft, o=400ft

Compute a diffraction pattern for a circular aperture:

circular aperture a=0.2mm, lambda=650nm

Compute a diffraction pattern for a single slit:

single slit diffraction d=1/16 inch, lambda=200nm

Use the Rydberg formula to compute spectral lines:

Rydberg formula ni=2, nf=5

Relativity

Do relativistic addition of velocities:

add velocities, 8e7 m/s, 8e7 m/s

Compute relativistic momentum:

relativistic momentum electron, 0.8c

Determine gravitational time dilation near massive objects:

gravitational time dilation at 1000 km and 100 solar masses

Nuclear Physics

Compute the stopping power of a material:

stopping power air 0.5MeV electron

Get information about an isotope:

iodine 131

Compute characteristics of Cerenkov radiation:

Cerenkov radiation, 0.8MeV electron, n=1.4

Quantum Physics

Compute the energy of a photon given its wavelength:

photon energy 435nm

Compute a Compton wavelength:

Compton wavelength proton

Look up atomic spectra:

atomic spectrum of nitrogen

Particle Physics

Get information about a particle:

proton

Do a calculation with particle properties:

mass proton / electron

Compare the values of a property for a class of particles:

mass boson

Astrophysics

Compute the orbital period of a massive body orbiting another:

Kepler's third law, 4 solar masses, 5 Earth masses, 2.5 AU

Compute cosmological properties of the universe:

1 billion years after the big bang

Compute properties of a black hole:

black hole 10 solar masses

Physical Constants

Get the value of a physical constant:

speed of light

Schwinger field strength

Do computations involving constants:

Planck mass / mass of electron

Physical Principles

Find out about Newton's laws:

Newton's laws

Find out about Brownian motion:

Brownian motion

Learn about a paradox in quantum mechanics:

EPR paradox

Fluid Mechanics

Calculate flow through a pipe:

water flow through a pipe 4" diameter

Determine change in fluid speed from pressure change:

velocity of water hammer with pressure difference of 20 atm

Compute fluid flow around an object:

flow around a cylinder