This java applet models the motion of planets in the solar system, demonstrating Kepler's Second Law. The time taken to sweep out equal areas on opposites sides of the orbit is shown. The semi-major axis and eccentricity of the orbit can be changed. There is also an option to show the velocity vector of the orbiting object. This is available in a different languages and is part of a large collection of similar physics applets.
Please note that this resource requires
at least version 1.4.2 of
Java Applet Plug-in.
%0 Electronic Source %A Fendt, Walter %D January 18, 2003 %T Walter Fendt Physics Applets: Kepler's Second Law %V 2014 %N 28 August 2014 %8 January 18, 2003 %9 application/java %U http://www.walter-fendt.de/ph14e/keplerlaw2.htm
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