A satellite of mass is in orbit around a planet of radius and mass

PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation

Problem

A satellite of mass mm is in orbit around a planet of radius RR and mass MM. The total energy of the satellite is −GMm4R-\frac{GMm}{4R}. What is the radius of the orbit? (A) RR (B) 4R3\frac{4R}{3} (C) 2R2R (D) 8R3\frac{8R}{3}

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