Respuesta :

AL2006
Use the formula for accelerated motion from rest:

Distance = (1/2) · (acceleration) · (time)²

Distance = (1/2) · (4.2 m/s²) · (4 s)²

Distance = (2.1 m/s²) · (16 s²)

Distance = (2.1 · 16) m

Distance = 33.6 meters