step by step... how do you get some measures with Tracker.jar. a physics software.
In this case use "Springs War.mov" a file that I downloaded from "http://www.cabrillo.edu/~dbrown/tracker/"
Principal idea of this exp. is known the k of both springs, as you can see at video they have the same length.
We did not know the forces that work in every part of this system, for this reason we can not validate all the theory involved.
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