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Results #1-#10 of 19
__[ Computer Program ]__

**Ballistics and Orbits Model**The EJS Ballistics and Orbits model displays ballistic trajectories near the Earth. The model shows the trajectory with respect to the inertial coordinate system and the trajectory…

__[ Computer Program ]__

**Angular acceleration of a Contracting System Model**The EJS Angular Acceleration of a Contracting System model shows a mass and pulley system to illustrate what happens when a rotating system contracts.
When the centripetal force has…

__[ Computer Program ]__

**Tethered Mass and Spring Model**The Tethered Mass and Spring model shows a mass constrained to move in the x-direction by a horizontal rod and connected to a spring of natural length L = 10. One end of the spring…

__[ Computer Program ]__

**Body With Thruster Model**The Body with Thruster Model shows the motion of a disk with an attached rocket engine. You can drag the engine to change its distance from the center of the disk and you can adjust…

__[ Computer Program ]__

**Colliding Galaxies**The Colliding Galaxies Model is an implementation of Alar and Juri Toomresâ€™ 1972 super computer model showing the formation of galactic bridges and tails under the assumption that…

__[ Computer Program ]__

**Classical Helium Model**The EJS Classical Helium Model is an example of a three-body problem that is similar to the gravitational three-body problem of a heavy sun and two light planets. The important…

This is the node of the National Science Digital Library (NSDL) that is dedicated to all resources for computational science education.

__[ Computer Program ]__

**Ceiling Bounce Model**The EJS Ceiling Bounce Model shows a ball launched by a spring-gun in a building with a very high ceiling and a graph of the ball's position or velocity as a function of time.…

__[ Computer Program ]__

**Two Particle Elastic Collision Model**The EJS Elastic Collision Model allows the user to simulate a two-dimensional elastic collision between hard disks. The user can modify the mass, position and velocity of each disk…

__[ Computer Program ]__

**Balls in a Box Model**The Balls in a Box model shows that a system of particles is very sensitive to its initial conditions. In general, an isolated system of many particles that is prepared in a…

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Results #1-#10 of 19