200m= ile to km 30h= ile to s 20kmh= ile to ms 35ms ile to kmh dziaa z góry

200m = 0.2 km 3h= 10800 s 20 km/h=5.5 m/s 35m/s =126 km/h

200m=0,2km 30h=108000s 20km/h=20*1000/3600≈5,56m/s 35m/s=35*0,001*3600=126km/h

200m to 0,2km 30h to 108000s 20km/h to 5,5m/s 35m/s to 126km/s albo cos pomyliłam