Respostas

2014-06-23T15:01:11-03:00
Dados:

V= 0
Vo= 72 km/h → 20 m/s
a= -6 m/s²
Δs= ?

V²=Vo²+2.a.Δs
0 = 400-12.Δs
12Δs=400
Δs= 33,333... m
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