Zamień jednostki 15km/h=.........m/min 150cm/s=........km/min 90m/s=.........cm/s 72km/h=..........m/s 18km/h=............m/s 10m/min=.........km/h 72km/h=..........cm/s 15m/s=............km/h

15km/h=15000m/60min=250 m/min 150cm/s=150 cm*60s=9000 cm/min=90m/min=0,09 km/min 90m/s=9000 cm/s 72km/h=72000/3600=20.m/s 18km/h=.18000/3600.m/s=5m/s 10m/min=10*60m/h=600m/h=0,6 km/h 72km/h=.7200000/3600=2000 cm/s 15m/s=15m*3600s=54000m/h=54.km/h