Respostas

2014-05-09T13:08:27-03:00
V0= 5 m/s
a=0,4m/s²
v=10m/s
v=v0+a.t
10=5+0,4.t
10-5=0,4t
5=0.4t
t= \frac{5}{0,4}
t=12,5s
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