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a = 5 m/s²
Vo = 0 m/s
Vt = 72 km/jam
ditanyakn : t ?
dijawab :
Vt = (72x1000)/3.600
= 72.000/3.600
= 20 m/s
jadi t :
a = (Vt-Vo)/t
5 = (20-0)/t
5t = 20
t = 20/5
t = 4 s
a = 5 m/s²
vo = 0
vt = 72 km/jam =20 m/s
ditanyakan :
t = ?
jawab :
vt =vo + at
20 = 0 + 5t
t = 4s