Question

A person throws tennis ball 6m/s straight up. How long does it take for it to come back to their hand?

Answer 1

(V-Vo)/G =T 6-0/9.8 =.612s

Answer 2

BY v = u -gt

=>0 = 6 - 9.8 x t

=>t = 0.61 sec

Thus time it take to come back to hand (T) = 2t = 1.22 sec