### Applets for Physics, Astronomy and Math

(mostly) by Michael R Gallis

mrg3@psu.edu

A
few of these animations are mere adaptations or slightly tweaked
implementations of others works, and are linked here for easy reference
by my students.

The .jar files are completely self contained
versions of the applets. PC users can right click to save them to
their own computer. My work is GPL'd following the Open Source Physics project policy, source code available by request. Any narrative is distrbuted under a Creative Commons License.
Physics Applets

Kinematics

Graphical
Exploration of Motion (self contained .jar)

An
exploration of Kinematics in 2-D (self contained .jar)

Mechanics

Projectile
Motion (self contained .jar)

Addition
of Vectors and the Force Table (self contained .jar)

Potential
Energy Explorer (self contained .jar)

Roller
Coaster Physics (self contained .jar)

Waves

Waves
on a String: Traveling Waves on a String with Fixed Ends (self contained .jar)

Electricity
and Magnetism

E-Field
Plotting (self contained .jar) ( adapted from Particles and Walls by Francisco
Esquembre)

em-field
plotting , Coulomb's
Law Exploration (from the Physlet
Project of Davidson College Physics Department, not by mrg3)

Oscillations, Waves and
Optics

Harmonic
Oscillations from Circular Motion (self contained .jar)

Oscillations (self contained .jar)( adapted from Force Oscillations by Francisco
Esquembre)

Multiple
Slit Interference and Resolution of Spectral Lines (self contained .jar)

Astronomy

Newton's
Cannon (self contained .jar)

Math
Applets

Calculus

Graphical
Evaluation of a Function, and its First and Second Derivatives (self contained .jar)

Direction
Field (self contained .jar)

Vectors

Vector
Addition and Subtraction (2-D) (self contained .jar)

Multiplication
of a Vector by a Scalar (2-D) (self contained .jar)

Vector
Addition and Subtraction (3-D) (self contained .jar)

Multiplication
of a Vector by a Scalar (3-D) (self contained .jar)

Cross
Product of Two Vectors (self contained .jar)

Lines
in Space (self contained .jar)

Conic
Sections

Slicing the Cone (self contained .jar)

Ellipses (self contained .jar)

Parabolas (self contained .jar)

Other Math Applets

Roots of Polynomials (self contained .jar)

These applets are created using the Easy
Java Simulations Package and/or are adapted from the EJS
example
applets