Respostas

2013-11-06T16:01:12-02:00
Vm = Delta S / Dela t

Delta S = S - So 
Delta S = 130 - 10
Delta S = 120

Delta t = t - to
Delta t = 4 - 2 
Delta t = 2

Vm = 120 / 2
Vm = 60 km/h