Question

A stone dropped from the roof of a building takes 4 seconds to reach the ground.the height of building

Answer 1

v = u + gt

parameters: v=? ; u = 0m/s ; g = 10m/$s^{2}$ ; t = 4 seconds

v = 0 +10(4)

v = 0 + 40

v = 40m/s

Pls, rate & thank me