Question

A stone falls freely from a height of 25m
Calculate the velocity with which the stone strikes the roof. (g=10m/s^2)

Answer 1

s = 25m , u = 0 a = g =10

s=ut+1/2at^2

25 = 0+1/2*10*t^2

t=root5

v=u+at

v=0+10(root5)

v=10root5

Answer 2

this is the and hope diz will help you