Fu-Kwun Hwang and
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.
Please note that this resource requires
at least version 1.5 of
Two Particle Elastic Collision Model source code
The source code zip archive contains an XML representation of the Two Particle Collision Model. Unzip this archive in your EJS workspace to compile and run this model using EJS. download 10kb .zip
Last Modified: December 2, 2008
9-12: 4F/H1. The change in motion (direction or speed) of an object is proportional to the applied force and inversely proportional to the mass.
9-12: 4F/H4. Whenever one thing exerts a force on another, an equal amount of force is exerted back on it.
11. Common Themes
6-8: 11B/M1. Models are often used to think about processes that happen too slowly, too quickly, or on too small a scale to observe directly. They are also used for processes that are too vast, too complex, or too dangerous to study.
%A Fu-Kwun Hwang %A Wolfgang Christian %T Two Particle Elastic Collision Model %E Robert Mohr, (ed) %D 2008 %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8373&DocID=921 %O application/java
%0 Computer Program %A Hwang, Fu-Kwun %A Christian, Wolfgang %D 2008 %T Two Particle Elastic Collision Model %E Mohr, Robert %U http://www.compadre.org/Repository/document/ServeFile.cfm?ID=8373&DocID=921
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