Respostas

2013-07-11T15:29:50-03:00
120 - 54 = 66/10 = 6,6 m/s²
   10
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2013-07-11T15:32:41-03:00
Vi = 54km/h /3,6 = 15m/s
Vf = 120km/h  /3,6 = 33,3m/s
a = Vf-Vi/t
a = 33,3-15/10
a = 1,83 m/s²
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