Odpowiedź:
a)
s=30km
t=20min
v=s/t=30/20=1,5km/min*60=90km/h
b)
s=150,5km
t=105min
v=150,5/105=1,4(3)km/min*60=86km/h
Wyjaśnienie:
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Odpowiedź:
a)
s=30km
t=20min
v=s/t=30/20=1,5km/min*60=90km/h
b)
s=150,5km
t=105min
v=150,5/105=1,4(3)km/min*60=86km/h
Wyjaśnienie: