Question

A ball is projected in vertically upward direction
from a tower of sufficient height with velocity
20 m/s at t = 0. Its average speed from t = 0 to
t = t, sec is 25 m/s. Find to.
(1) 2 sec
(2) 4 sec
(3) 8 sec
(4) 10 sec​

Answer 1

Answer:

10 seconds into be the initial time taken