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Vo = 72 km/jam
t = 10 s
Vt = 0 m/s
dit : a ?
dijawab :
Vo = (72x1000)/ 3.600
= 72.000 / 3.600
= 20 m/s
perlambatan =
a = (Vt-Vo)/t
= (0-20) / 10
= - 20/10
= -2 m/s² (tanda mines menunjukkan perlmbatan)
jadi perlambatan sebesar = 2 m/s²