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Vo = 18 km/jam
Vt = 54 km/jam
t = 5 s
dit :a ?
dijawab :
Vo = (18x1000)/3.600
= 5 m/s
Vt = (54x1000)/3.600
= 15 m/s
jadi percepatan :
a= (Vt-Vo)/t
= (15-5)/5
= 10/5
= 2 m/s²