Question

A rocket has landed on planet x, which has half the radius of earth. An astronaut onboard the rocket weighs twice as much on planet x as on earth. If the escape velocity for the rocket taking off from earth is u0 , then its escape velocity on planet x is (a) 2u0 (b) 2u0 (c) u0 (d) u0 2 (e) u0 4

Answer 1

Explanation:

2u0 should be the answer..opt a

Answer 2

Answer:

Here you go!!

Explanation:

According to me the answer is (a) as the weight of rocket is double on the planet the escape velocity will also double.