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Wave Representations Model Documents

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Main Document

Ejs Wave Representations Model 

written by Andrew Duffy

The Ejs Wave Representations model displays two representations of a sinusoidal wave on a string.  One shows a movie of the wave traveling along a string - you can think of this representation as a sequence of photographs. The second representation is a plot of the displacement as a function of time for two points on the string (you can select which two points to use). Using only these two representations, you can determine the values of many different parameters that describe the wave.  You can modify this simulation if you have Ejs installed by right-clicking within the plot and selecting "Open Ejs Model" from the pop-up menu item.  

Ejs Wave Representations 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_bu_Wave_representations.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 Ejs models for physics are available.  They can be found by searching ComPADRE for Open Source Physics, OSP, or Ejs.

Published June 8, 2008
Last Modified June 13, 2014

This file has previous versions.

Supplemental Documents

Ejs Wave Representations Worksheet 

A pdf document that contains exercises for use with the Ejs Wave Representations Model and the ejs_bu_Wave_representations.jar file.

Published June 8, 2008
Last Modified July 13, 2008

This file has previous versions.