# 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

Q: 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

(a) $-\frac{1}{2} M v^2$

(b) $\frac{1}{2} M v^2$

(c) $\frac{3}{2} M v^2$

(d) $M v^2$

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Ans: (c)