108 km/h =.......m/s  5m m/s=........km/h

108km/h= 30 m/s 5 m/s = 18km/h Licze na naj.

108km/h=108*1000m/3600s=108*10/36=108*0,27777...=30m/s 5m/s=5/10/36=5/0,277777....=18km/h Pozdrawiam kari9812