question_answer

A planet in a distant solar system is 10 times more massive than the earth and its radius is 10 times smaller. Given that the escape velocity from the earth is 11 \[km\,{{s}^{-1}}\], the escape velocity from the surface of the planet would be: [AIEEE 2008]

A)  110 \[km\,{{s}^{-1}}\]

B)       0.11 \[km\,{{s}^{-1}}\]

C)  1.1 \[km\,{{s}^{-1}}\] 

D)       11 \[km\,{{s}^{-1}}\]

Correct Answer: A

Solution :

[a]