Question

A ball is thrown vertically upwards with speed
20 ms from the top of a tower of height 25 m from
the ground at t = 0. Average speed of the ball in the
time interval t = 0 to t = to (when ball strikes the
ground), is
u 13 m/s
(2) 5 m/s
(3) 10 m/s
(4) 16 m/s​

Answer 1

Answer:

(2)5m/s

I hope it will help you