After downloading the .zip file, please right click on the file and select "extract all." Save the extracted file in the folder you prefer. The simulation will not work unless the folder is unzipped first.
Acknowledgement: The simulations of time development are adapted from opensourcephysics.org. We thank the developers of OSP and the authors of the simulations for sharing their programs.
Here is what you should do to run the simulation:
1. download the zipped file to your computer
2. you MUST unzip the file for the simulation to work - right click the folder and select "extract all"
3. run demo.jar.jar by double clicking on it
4. double click on part A, B, C on the left hand side and double click on the green arrow to get the simulation