If a body of mass 'm' moves in a circular orbit of radius 'a' about another body of mass 'M', where M >> m, then total energy of the system is ____________.

If a body of mass 'm' moves in a circular orbit of radius 'a' about an

1.	If a body of mass 'm' moves in a circular orbit of radius 'a' about another body of mass 'M', where M >> m, then total energy of the system is ____________.
A.	E = -GMm/a
B.	E = -GMm/(2a)
C.	E = -GMm/(2a2)
D.	E = -GMm/a2
Answer» C. E = -GMm/(2a2)

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If a body of mass 'm' moves in a circular orbit of radius 'a' about another body of mass 'M', where M >> m, then total energy of the system is ____________.

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