This applet written by Mark Matlin
Modified by myself
Original project : http://www.compadre.org/osp/items/detail.cfm?ID=9783

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/htdocs/ntnujava/ejsuser/37048/users/br/ahmed/PhysicalPendulumEnergy_pkg/PhysicalPendulumEnergy.propertiesFull screen applet or Problem viewing java?Add http://www.phy.ntnu.edu.tw/ to exception site list
Press the Alt key and the left mouse button to drag the applet off the browser and onto the desktop. This work is licensed under a Creative Commons Attribution 2.5 Taiwan License
Download EJS jar file(1447.1kB):double click downloaded file to run it. , Download EJS source (1 times by 1 users) View EJS source

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Please check out [url=http://www.phy.ntnu.edu.tw/ntnujava/index.php?topic=1533.msg5821#msg5821]modified version [/url]