Question

A research satellite of mass 200 kg circles the earth in an orbit of average radius 3R/2 where R is the radius of the earth. Assuming the gravitational pull on a mass of 1 kg on the earth?s surface to be 10 N, the pull on the satellite will be [Kerala (Engg.) 2002]
A) 880 N B) 889 N C) 890 N D) 892 N

Answer 1

Correct option (b) 889 N