Odpowiedź:
V=s/t
40km=40000m
30min=1800s
V=40000/1800=22,22 m/s
Wyjaśnienie:
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Odpowiedź:
V=s/t
40km=40000m
30min=1800s
V=40000/1800=22,22 m/s
Wyjaśnienie: