Dane: Szukane:
S1 = 900 m vśr=?
t1= 10 minut = 10/60 h
s2 = 300 m
t2=2 minuty = 2/60
sc = s1+s2= 900m + 300m= 1200m = 1,2 km
tc= t1+t2=10/60+2/60= 12/60
vśr = sc/tc
vśr = 1,2 : 6/10 = 1 2/10 : 6/10= 12/10 * 10/6 = 2/1 = 2 km/h
Wydaje mi się że powinno być dobrze.
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Dane: Szukane:
S1 = 900 m vśr=?
t1= 10 minut = 10/60 h
s2 = 300 m
t2=2 minuty = 2/60
sc = s1+s2= 900m + 300m= 1200m = 1,2 km
tc= t1+t2=10/60+2/60= 12/60
vśr = sc/tc
vśr = 1,2 : 6/10 = 1 2/10 : 6/10= 12/10 * 10/6 = 2/1 = 2 km/h
Wydaje mi się że powinno być dobrze.