A satellite of mass m is orbiting the earth in a circular orbit of radius R. It starts losing energy due to small air resistance at the rate of C J/s. Find the time taken for the satellite to reach the earth.

\[\frac{2GMm}{C}\left[ \frac{1}{R}+\frac{1}{r} \right]\]

\[\frac{GMm}{C}\left[ \frac{1}{R}-\frac{1}{r} \right]\]

\[\frac{GMm}{2C}\left[ \frac{1}{R}+\frac{1}{r} \right]\]

\[\frac{GMm}{2C}\left[ \frac{1}{R}-\frac{1}{r} \right]\]

A satellite of mass m is orbiting the earth in a circular orbit of rad

1.	A satellite of mass m is orbiting the earth in a circular orbit of radius R. It starts losing energy due to small air resistance at the rate of C J/s. Find the time taken for the satellite to reach the earth.
A.	\[\frac{GMm}{C}\left[ \frac{1}{R}-\frac{1}{r} \right]\]
B.	\[\frac{GMm}{2C}\left[ \frac{1}{R}+\frac{1}{r} \right]\]
C.	\[\frac{GMm}{2C}\left[ \frac{1}{R}-\frac{1}{r} \right]\]
D.	\[\frac{2GMm}{C}\left[ \frac{1}{R}+\frac{1}{r} \right]\]
Answer» D. \[\frac{2GMm}{C}\left[ \frac{1}{R}+\frac{1}{r} \right]\]