Respostas

2014-08-20T11:53:44-03:00
180 / 3,6 = 50 m/s
1 minuto * 60 = 60 s
t = t1 + t2
t = 60 + 20
t = 80 s

S = So + V * t
S = 0 + 50 * 80
S = 4000 m