Odpowiedź:
Zadanie 3
t = 1h i 1/3h = 4/3h
s = 6km
v=6/(4/3)=6*(3/4) = 18/4 = 4,5km/h
a) t=1h
v = s/t więc s = v*t
s=4,5km/h * 1h = 4,5 km
b) t=2h
s=4,5km/h * 2h = 9 km
c) t=3h
s= 4,5km/h * 3h = 13,5km
Zadanie 4
v=15km/h
t=3h
v=s/t więc s = v*t
s= 15km/h * 3 = 45km
