Jawabanmu

2014-09-11T20:25:39+07:00
Dik :
V₁ = 0
V₂ = 72km/jam = 20m/s
Δt = 30s

dit : a = ?

jawab :
a :  \frac{20-0}{30} = 0.667

2014-09-12T02:36:31+07:00
Diket:
Vo= 0
Vt = 72 km/jam=20m/s
t=30s
ditanya: a
jawab: a=20-0= 0.667
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