Question

Two hail stones whose radii are in the ratio of 1 : 2 fall from a height
of 50 km. Their terminal velocities are in the ratio of

(a) 1 : 9
(b) 9 : 1
(c) 4 : 1
(d) 1 : 4

Answer 1

the answer will be 1:4 as Vo =r^2