Z1
V= 65 km/h = const.
s=1,3 km
t=?
V=s/t
t=s/V
t=1,3/65=0,02 h = 1,2 min = 72 s
Z2
t=1,5 h
Vśr= 40 km/h
s=?
Vśr=s/t
s=Vśr*t
s=1,5*40 = 60 km
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Z1
V= 65 km/h = const.
s=1,3 km
t=?
V=s/t
t=s/V
t=1,3/65=0,02 h = 1,2 min = 72 s
Z2
t=1,5 h
Vśr= 40 km/h
s=?
Vśr=s/t
s=Vśr*t
s=1,5*40 = 60 km