Computer Program Detail Page
written by Fu-Kwun Hwang and Wolfgang Christian
edited by Robert Mohr
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 using sliders. Both disks are draggable and the center of mass is shown as a cross in the simulation.
The Elastic Collision Model was created using the Easy Java Simulations (Ejs) modeling tool. It is distributed as a ready-to-run (compiled) Java archive. Double clicking the ejs_ntnu_mech_ElasticCollision.jar file will run the program if Java is installed. Ejs is a part of the Open Source Physics Project and is designed to make it easier to access, modify, and generate computer models. Additional Open Source Physics programs for quantum mechanics are available. They can be found by searching ComPADRE for Open Source Physics, OSP, or EJS.
Please note that this resource requires at least version 1.5 of Java (JRE).
View the source code document attached to this resource
AAAS Benchmark Alignments (2008 Version)
4. The Physical Setting
11. Common Themes
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Two Particle Elastic Collision Model:
Is Based On Easy Java Simulations Modeling and Authoring Tool
The Easy Java Simulations Modeling and Authoring Tool is needed to explore the computational model used in the Two Particle Elastic Collision Model.relation by Wolfgang Christian
Covers the Same Topic As One Dimensional Collision Model
This is a less advanced model of two objects colliding, in which the motion is confined to a single line.relation by Caroline Hall
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Is a Teaching Guide For Physics Classroom: The Law of Action-Reaction (Revisited)
Is a Teaching Guide For Physics Classroom: Isolated Systems
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