Question
Physics Question on Gravitation
The mass and radius of orbit for two satellites are (m, r) and (3m, 3r) respectively. Find the ratio of their orbital velocity about earth.
A
√3 :1
B
1:√3
C
√2 :1
D
1:2
Answer
√3 :1
Explanation
Solution
The correct answer is (A): √3 :1