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v= 72 km/jam --> 72×1000/3600= 20 m/s
t= 2 menit --> 2×60= 120 sekon
a= 5 m/s²
Dit:
s=...?
Penye:
s= Vo.t+1/2.a.t²
s= 20×120+1/2×5×120²
s= 20×120+1/2×5×14400
s= 38400 m
t = 2 menit = 120 s
a = 5 m/s²
Vt = Vo + at
Vt = 20 + 5 x 120
Vt = 20 + 600
Vt = 620 m/s
s = Vot + ½at²
s = 20 x 120 + ½ x 5 x 120²?
s = 2400 + 36000
s = 38400 meter
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