Odpowiedź:
Wyjaśnienie:
v=42km/h =42000m /3600s
v=11,67m/s
t=7min=420s
Oblicz drogę s
s=v*t
s =11,67m/s*420s
s=4900m
s=4,9km
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Odpowiedź:
Wyjaśnienie:
v=42km/h =42000m /3600s
v=11,67m/s
t=7min=420s
Oblicz drogę s
s=v*t
s =11,67m/s*420s
s=4900m
s=4,9km