Circular Motion Energy/Binary Star problem

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abe_thebabe
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Homework Statement



Show that Total energy of this system is given by E=(-432(r^5)(pi^4))/(G*T^4)
[PLAIN]http://img189.imageshack.us/img189/7325/38899527.png

Homework Equations


F=GMm/r^2
F=mv^2/r
T=2(pi)r/V

The Attempt at a Solution


[PLAIN]http://img97.imageshack.us/img97/7766/27047783.png
 
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