Por MRUV:
• V(t) = Vo + at
=> V (t=40s) = 15m/s + (0,5m/s²)(40s)
V (t=40s) = 35m/s ← Respuesta Nº1
Por MRUV:
• d (t) = Vot + at²/2
=> d (t = 40s) = (15m/s)(40s) + (0,5m/s²)(40s)²/2
d (t=40s) = 600m + 400m
d (t=40s) = 1 000 metros ← Respuesta Nº2
Eso es todo!!!