Odpowiedzi

2010-02-10T18:51:51+01:00
30 000 km = 30 000 000 m
1h = 3600 s

30 000 000m/3600s = 8333,(3)m/s
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2010-02-10T18:51:57+01:00
30000 km/h = 30000 * 1000 m : 3600 s = (8333 1/3)m/s = ok. 8333 m/s
3 5 3