physics

momentum

Cats in a raft

Tossing cats from a raft has never been this fun!

historical

Force and Motion

A replica of an old simulation.

forces

A block on a ramp with Friction

See how a block on a ramp will respond to the angle of the ramp and a shoving force.

oscillations

Pendulum with plots

See how a pendulum correlates with the kinematic variables

A Spring and its parameters

Adjust the parameters of a spring mass system and see the effects

kinematics

Plot the Kinematics of an Elevator

See three graphs of position, velocity, and acceleration for an elevator moving up and down.

optics

Ray Diagram

Change the parameters for a converging lens system

circular-motion

Simple Solar System

add planets to a simple solar system

sound

Radially Propagating Sound Waves

soundwaves are oscillations in pressure as function of position and time.

Soundwaves

soundwaves are oscillations in pressure as function of position and time.

Two Speakers - 1D interference

The spacing between two speakers changes the interference of the sound waves.

Rotations and Torque

Torque on a Wrench

Adjust the position, angle, and magnitude of a force applied on a wrench.

waves

Wave in a medium

See the wavelength change as a wave passing thought different mediums

math

functions

The Origins of Sine and Cosine Functions

Rotations around the unit circle can make sinusoidal functions.

Adjustable Parabola Plot

Change the coefficients that determine a parabola

Square Wave Fourier Series

Summing up certain sine waves will produce a square wave

Beating shown graphically

Add two sine waves and change the relative frequency of one, slightly

Sum of Two Sine Waves

Add two sine waves and change the relative phase

Triangle Wave Fourier Series

Summing up certain sine waves will produce a triangle wave

Adjustable Traveling Wave

Change the coefficients that determine a traveling sine wave

vectors

Random Walk

A Random walk or two or twenty

algebra

Visualizing Averages

The average of any two quantities can be seen graphically