46km na godzine=? m na min
55km na godzine=? m na sekunde
12000m na minute=? km na godzine
144 km na godzine=?m na sekunde
1800m na min=? km na godzine
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46km/h = 767 m/min
55km/h = 15 m/s
1200 m/min = 72 km/h
144 km/h = 40 m/s
1800 m/min = 108 km/h