Physics

Problem

A satellite of mass

m

, initially at rest on the Earth, is launched into a circular orbit at a height equal to the radius of the Earth. The minimum energy required is : (A)

\frac{\sqrt{3}}{4}mgR

(B)

\frac{1}{2}mgR

(C)

\frac{1}{4}mgR

(D)

\frac{3}{4}mgR

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