Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > 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. Then the time taken for the satellite to reach the earth is

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. Then the time taken for the satellite to reach the earth is

A satellite revolving in a circular equatorial orbit of radius R=2.0×10 4 from west to east appears over a certain point at the equator every 11.6h. From these data the mass of the earth is x×10 24 kg Find x. G=6.67×10 −11 Nm 2 Kg −2