Question

A stone dropped from the top of a tower reaches the ground in 8 second where acceleration is 10m/s^2 . Calculate the height of the tower.
​

Answer 1

Explanation:

V = 0 + at

V=0+10*8=80m/s

Now

V^2 =u^2 +2as

1600=0 +20s

Therefore, s=1600/20=80m