Question

please answer the question its urgent ​

Answer 1

Answer:

Initial Velocity u=0

Fianl velocity v=?

Height, s=19.6m

By third equation of motion

v2=u 2+2gs

v2=0+2×9.8×19.6

v2=384.16

⇒v=19.6m/s

Answer 2

Answer:

hope it helps...............