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30 s- x
x=40 skoków
odp. Aby przebiec 100m musi wykonać 40 skoków.
1m/s=3,6km/h
V=12/3,6
V=5m/s
2skoki-5m
(x) skoków-100m
5x=200
x=40
Odp:Kangur na dystansie 100m wykona 40 skoków
100m - x
100 * 60/12000 = 6000/12000 = 0,5 min
0,5min = 30 sek
30 sek : 1,5 = 20
20 * 2 = 40
odp. kangur musi wykonać 40 skoków