Jawabanmu

2014-06-04T15:41:14+07:00
Vo = 0 Vt = 108 km/jam = 30 m/s t = 7,5 s Vt = Vo + a.t 30 = 0 + a.7,5 30 = 7,5a a = 30/7,5 a = 4 m/s(kuadrat)