Respostas

2014-03-27T18:25:15-03:00
Resposta

2 -------- 1s
1 --------- T

2T = 1

T = 1 /2

T = 0,5s

S = 2,5m

Formula

V =  \frac{S}{T}

V = \frac{2,5}{0,5}

V = 5m/s