If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is ___________________?

(A) 1600 ms-1 (X)
(B) 50.6 ms-1 ()
(C) 71.6 ms-1 (X)
(D) 2263ms-1 (X)

Answers: If moon radius is 1600 km and g on its surface is 1.6 ms-2 then the escape velocity on the moon is 50.6 ms-1.