Physics

Explore the physical laws that describe the behavior of one or more bodies under a system of forces.

Compute mechanical work:

Compute centripetal acceleration:

Do a gravitation calculation:

Explore oscillatory motion, from pendulums to electromagnetic waves.

Analyze a harmonic oscillator:

Analyze the motion of a spring pendulum:

Compute a Doppler shift:

Explore the motion of fluids using statistical methods.

Find the Maxwell speed distribution of a gas:

Compute entropy with the Sackur–Tetrode equation:

Explore heat, energy and entropy and how they relate to thermodynamic systems.

Do computations with Joule's law:

Analyze an adiabatic process:

Do an ideal gas law computation:

Analyze an Atkinson cycle:

Explore the physics of the electromagnetic force.

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

Find equations associated with a magnetized object:

Analyze an RLC circuit:

Do a Coulomb's law computation:

Study the properties and behaviors of light.

Do computations using the thin lens equation:

Compute a diffraction pattern for a circular aperture:

Compute a diffraction pattern for a single slit:

Use the Rydberg formula to compute spectral lines:

Explore Einstein's theories of special and general relativity and how they relate to gravity, time and space.

Do relativistic addition of velocities:

Compute relativistic momentum:

Determine gravitational time dilation near massive objects:

Explore aspects of nuclear physics, including radiation and nuclear power.

Compute the stopping power of a material:

Get information about an isotope:

Compute characteristics of Cerenkov radiation:

Explore quantum phenomena, such as scattering and quantum states.

Compute the energy of a photon given its wavelength:

Compute a Compton wavelength:

Look up atomic spectra:

Get information about particles and their interactions.

Get information about a particle:

Do a calculation with particle properties:

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

Explore the nature of celestial objects, including black holes, stars and planets.

Compute the orbital period of a massive body orbiting another:

Compute cosmological properties of the universe:

Compute properties of a black hole:

Explore details, values and definitions for various physical constants.

Get the value of a physical constant:

Do computations involving constants:

Explore physical laws, principles and effects.

Find out about Newton's laws:

Find out about Brownian motion:

Learn about a paradox in quantum mechanics:

Get information on physical effects and compare them.

Explore physical effects:

Compare physical effects:

Examine the behavior of fluid systems and objects moving through them.

Calculate flow through a pipe:

Determine change in fluid speed from pressure change:

Compute fluid flow around an object:

Delve into black holes to learn about their properties, evolution and locations.

Compute the location and get properties of a stellar-mass black hole:

Generate a list of nearby black holes:

Calculate the properties of a theoretical black hole with a known mass: