1.

A satellite moves around the earth in a circular orbit of radius r with speed v. If the mass of the satellite is M, its total energy is                     [MP PMT 2001]

A.             \[-\frac{1}{2}M{{v}^{2}}\]
B.               \[\frac{1}{2}M{{v}^{2}}\]
C.             \[\frac{3}{2}M{{v}^{2}}\] 
D.             \[M{{v}^{2}}\]
Answer» B.               \[\frac{1}{2}M{{v}^{2}}\]


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