Zad 1
t = 20min = 1/3h
s = 2km
v = s/t = 2km : 1/3h = 2km * 3h = 6km/h
v = 6km/h
Zad 2
v = 12m/s
s = 24m
t = s/v = 24 : 12 = 2 [m : m/s = m * s/m = s]
t = 2s
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Zad 1
t = 20min = 1/3h
s = 2km
v = s/t = 2km : 1/3h = 2km * 3h = 6km/h
v = 6km/h
Zad 2
v = 12m/s
s = 24m
t = s/v = 24 : 12 = 2 [m : m/s = m * s/m = s]
t = 2s