befana
30 m/s = 30 * 1/1000km : 1/3600h = 30 * 3600/1000 km/h = 108 km/h 15 m/s = 15 * 1/1000km : 1/3600h = 54 km/h 3m/s = 3 * 1/1000km *3600/1 1/h = 10,8 km/h
36km/h = 36* 1000m : 3600s = 360/36 m/s = 10 m/s 50 km/h = 50 * 1000m * 1/3600 1/s = 500/36 m/s = około 13,9 m/s 200 km/h = 200 * 1000m/3600s = 2000/36 m/s = 55.5 m/s
15 m/s = 15 * 1/1000km : 1/3600h = 54 km/h
3m/s = 3 * 1/1000km *3600/1 1/h = 10,8 km/h
36km/h = 36* 1000m : 3600s = 360/36 m/s = 10 m/s
50 km/h = 50 * 1000m * 1/3600 1/s = 500/36 m/s = około 13,9 m/s
200 km/h = 200 * 1000m/3600s = 2000/36 m/s = 55.5 m/s