Respuesta :

Taking g = 10m/s,

Initial velocity (u) = 0 m/s
Time (t) = 0.5s
d = ut + 1/2 (gt²)
d = 0 + 1/2 (10x0.5²)
d = 1/2 (5/2)
d = 5/4
d = 1.25m