Respostas

2014-03-05T14:36:34-03:00
a =  \frac{v}{t}

a = 3 m/s²
v = 12 m/s
t = ?

3 =  \frac{12}{t}  ~> 3t = 12  ~> t =  \frac{12}{3}  ~> t = 4

Resposta: 4 segundos
1 5 1