Respostas

2013-11-12T22:49:00-02:00
S = S - So
S = 240 - 30
S = 210

T = T - To
T = 9,30 - 6
T = 3 horas e 30 minutos. ( 1h --- 60 min ~ x --- 30 min = 0,5h + 3 = 3,5 )

Vm = S/T
Vm = 210/3,5
Vm = 60 km/h
8 4 8
2013-11-12T22:50:42-02:00
VM= deltaX sobre desta K
VM=  240-30/6-9,30
VM= 210/ 3,3
VM= ~63km/h
2 3 2