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Vo = 20 m/s
a = -1 m/s²
dit : Vt saat 10 s dan 50 s ?
dijawab :
> Vt saat 10 s :
a = (Vt-Vo)/t
-1 = (Vt-20)/10
-1x10 = Vt-20
-10 = Vt - 20
Vt = -10 + 20
Vt = 10 m/s
> Vt saat 50 s :
a = (Vt-Vo)/t
-1 = (Vt-20)/50
-1x50 = Vt-20
-50 = Vt - 20
Vt = -50 + 20
Vt = -30 m/s