Odpowiedź:
90 km/h = 90*1000/3600 m/s = 90*5/18 m/s = 5*5 m/s = 25 m/s
Wyjaśnienie:
1 km = 1000 m
1 h = 60 s
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Odpowiedź:
90 km/h = 90*1000/3600 m/s = 90*5/18 m/s = 5*5 m/s = 25 m/s
Wyjaśnienie:
1 km = 1000 m
1 h = 60 s