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Hello,
I was wondering if anyone knew of a calculation showing that the kinetic
energy of an object in a circular orbit is equal to half of the potential
energy, where the calculation does *not* use acceleration or force at all. Is
there an argument for this based purely on energy concepts? It occurred to me
that there should be, but I can't think of it.
thanks,
Brian Blais
-----------------
bblais@bryant.edu
web.bryant.edu/~bblais