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Vo = 25 m/s
Vt = 45 m/s
t = 4 s
a =?
s =?
a = Vt - Vo / t
a = 45 - 25 / 4
a = 20/4
a = 5 m/s
maka jaraknya adalah
s = Vo.t + 1/2 a. t^2
s = 25 .4 + 1/2 .5 .4^2
s = 100 + 40
s = 140 meter