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72 km/jam
72 km = 72.000 meter
1 jam = 3600 sekon
V = 72.000/3.600
V = 720/36
V = 20 m/s
72 km/jam = ... m/s
1 km/jam = 10/36 m/s
penyelesaian:
72 . 10/36
= 720 / 36
= 20 m/s
satuan kecepatan dalam SI adalah m/s