Respostas

2014-04-16T16:34:05-03:00
Delta s/delta t= vm
delta s/2,5h=72km/h
delta s= 180 km
2014-04-16T16:35:05-03:00
V=ΔS/ΔT
72=S/2,5
S=72x2,5
S= 180km