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4=vt+3.5
4=vt+15
vt=15-4=11m/dtk
S=v.t
s=11.5
S=55meter
a = 3 m/s^2
t = 5 s
Dit : a) Vt = ....?
b) S = ....?
Jawab :
a) Vt = Vo + a.t = 4 + 3.5 = 19 m/s
b) S = Vo.t + (0,5).a.t^2 = 4.(5) + (0,5).(3).(5)^2 = 20 + 37,5 = 57,5 m