F - μk.m.g = m.a
12 - 0,4 . 2 .10 = 2.a
2.a = 4
a = 4/2 = 2 m/s²
X = Vo.t + 1/2.a.t²
X = 0 + 1/2.2. 85.60
X = 5100 m
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F - μk.m.g = m.a
12 - 0,4 . 2 .10 = 2.a
2.a = 4
a = 4/2 = 2 m/s²
X = Vo.t + 1/2.a.t²
X = 0 + 1/2.2. 85.60
X = 5100 m