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Verified answer
Jarak, Kecepatan, dan WaktuDiketahui:
jarak = 72 km = 72000 m
waktu = 1 jam = 3600 s
Ditanya:
kecepatan = ?
Jawab:
kecepatan = jarak : waktu
= 72000 : 3600
= 720/36
= 20 m/s (D).
*semoga membantu. sukses selalu ^_^