Respostas

2014-05-22T18:13:07-03:00
T1=12     t2=14
d1=30    d2=150

150-30/14-12=120/2=60 km/h
5 3 5
2014-05-22T18:22:03-03:00
Resposta

ΔT = 14 - 12
ΔT = 2 h

ΔS = 150 - 30
ΔS = 120 m

Vm =  \frac{120}{2}

Vm = 60km/h
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