What Is the Gravitational Force on a 20-Kg Satellite Circling

Question 13
Multiple Choice

What is the gravitational force on a 20-kg satellite circling the Earth (radius = 6.4 106 m,mass = 6.0 1024 kg)with a period of 5.0 h? A)88 N B)55 N C)36 N D)98 N E)18 N