Odpowiedź:
s = 1 km = 1000 m
t = 30 s = 1/120 h
v = s/t
v = 1000 m/30 s = 33 1/3 m/s
v = 1 km / 1/120 h = 120 km/h
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Odpowiedź:
s = 1 km = 1000 m
t = 30 s = 1/120 h
v = s/t
v = 1000 m/30 s = 33 1/3 m/s
v = 1 km / 1/120 h = 120 km/h
Wyjaśnienie: