4 A rocket has landed on Planet X which has half the radius

Last updated: 6/7/2023

4 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 vo then its escape velocity on Planet X is A 200 B 20 C Vo D vo 2 E v 4