Answer :
equation of motion is :
s = u t + 1/2 a t²
u = 0
s = 0 + 1/2 * 10 m/s² * 5²
= 125 meters
s = u t + 1/2 a t²
u = 0
s = 0 + 1/2 * 10 m/s² * 5²
= 125 meters