問題詳情

34.tAssume that a satellite of mass jl/oibits Earth in a perfect circle of radius R. If the satellite is replaced with another one with mass 2Mbut with the same circling radius, what is the ratio of the period of the first satellite to the period of the second one (i.e., T1/T2)?
(A) 1/2t
(B)l


(C)l
(D)


(E)2

參考答案

答案:C

統計:A:0,B:0,C:1,D:0,E:0

難度:計算中