Question

A stone is dropped from a cliff 100m what will be its final velocity before touching ground

Answer 1

Answer:

s=100 m u=0 a= 10 m/s^2

Explanation:

by third equation of motion v^2-u^2= 2(a)(s) v^2-0^2=2(10)(100)

v^2=2000 v=20√5 m/s