Question

A ball is thrown vertically upward with a velocity ‘u’ from the balloon descending with velocity v. The ball will pass by the balloon after time(a) $\frac{u-v}{2g}$(b) $\frac{u+v}{2g}$(c) $\frac{2(u-v)}{g}$(d) $\frac{2(u+v)}{g}$

Answer 1

I think the answer should be part c