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cari dulu percepatan (a) = (V2-V1) /t = (45 - 15 km/jam) / (1/300 jam) = 9000 km
jarak (x) = Vot + 1/2 at^2 = (15)(1/300) + 1/2 (9000)(1/300)^2 = 0,1 km
Vo= 15 m/s
Vt= 45 m/s
t= 12 sekon
ditanya; s = ..?..
jawab :
cari a dahulu
-> a= v: t
a= (45-15) : 12
a= 30: 12= 2,5
S= Vo.t + 1/2
S= 15. 12 + 1/2 . 2,5 . 144 = 180 + 2,5 . 72
S= 180 + 180
S= 360 km
semoga membantu OwO)/