72 km/ h = 72 * 1000 m / 3600 s = 20 m/s
1 km = 1000 m
1 h = 3600 s
72km/h = 72000 m/s
Proszę . :)
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72 km/ h = 72 * 1000 m / 3600 s = 20 m/s
1 km = 1000 m
1 h = 3600 s
72km/h = 72000 m/s
Proszę . :)