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Vo = 54 km/jam
Vt = 0 m/s
t = 2 s
Ditanyakn : St ?
Dijawab :
Vo = (54 x1000)/3.600
= 54.000/3.600
= 15 m/s
Percepatan :
a = (Vt-Vo)/t
= (0-15)/2
= -15/2
= -7,5 m/s² (tnda mines menunjukkan perlambatan)
Jadi jarak :
St = Vot + 1/2 x a x t²
= 15x2 + 1/2 x (-7,5) x 2²
= 30 - 15
= 15 m