Two satellite A and B revolve round a planet in coplanar circular orbits in the same sense . Their period of revolving are 1h hour and 8 hours respectively . The radius of the orbit of A is 10^(4)km. Then speed of B relative to A when they are closein kmph is

Two satellite A and B revolve round a planet in coplanar circular orbi

1.	Two satellite A and B revolve round a planet in coplanar circular orbits in the same sense . Their period of revolving are 1h hour and 8 hours respectively . The radius of the orbit of A is 10^(4)km. Then speed of B relative to A when they are closein kmph is
Answer» `10^(4)PI` `2 XX 10^(4) pi` `(10^(4)pi)/(2)` `4 xx 10^(4) pi` ANSWER :A