Question
Physics Question on Gravitation
If a planet has mass equal to 16 times the mass of earth, and radius equal to 4 times that of earth. The ratio of escape speed of a planet to that of earth is?
A
2:1
B
1:2
C
√2:1
D
4:1
Answer
2:1
Explanation
Solution
The correct option is (A): 2:1