Respuestas

2012-05-15T01:31:54+02:00

2ax=VF²-Vo²

2(-20m/s²)(100m) = (0m/s)²-(Vo)²
-4000m²/s² = -Vo²
raiz.cuadrada 4000m²/s² = Vo
V = 63.25 m/s

V = x/t
t = x/V
t = 100m / 63.25m/s 
t = 1.58s