Zamień:
7,2 km/h=m/s
1,2 km/min=m/h
20 m/min=km/h
60 cm/min=m/h
Potrzebna na zaraz, dam naj!;)
1. 2 m/s
2. 720 m/h
3. 3000 km/h
4. 36 m/h
a)1km=1000m 1h=3600s
7,2km/h=7,2 x 1000/3600 (dzielimy całość) =2m/s
b)1km=1000m 1min=1/60h
1,2km/min=1,2 x 1000/(1/60)=7200 m/h
c)1m=0,001km 1min=1/60 h
20m/min=20 x 0,001/(1/60)=1,2km/h
d)1cm=0,01m 1min=1/60h
60cm/min=60 x 0,01/(1/60)=36m/h
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1. 2 m/s
2. 720 m/h
3. 3000 km/h
4. 36 m/h
a)1km=1000m 1h=3600s
7,2km/h=7,2 x 1000/3600 (dzielimy całość) =2m/s
b)1km=1000m 1min=1/60h
1,2km/min=1,2 x 1000/(1/60)=7200 m/h
c)1m=0,001km 1min=1/60 h
20m/min=20 x 0,001/(1/60)=1,2km/h
d)1cm=0,01m 1min=1/60h
60cm/min=60 x 0,01/(1/60)=36m/h