Respostas

2014-08-23T18:45:35-03:00
Vamos la.

S = So + Vo . t + at²/2
120 = 0 + 0 . 60 + a . 60²/2
120 = 1800 a
a = 12/180 m/s²

V = Vo + a . t
V = 0 + 12/180 . 60
V = 4 m/s
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