10 m/s = km/h 15 km/h = m/min 150 cm/s = km/min 720 km/h = cm/s 3,6 m/s = cm/s 1,8 m/min = cm/s   Tylko całe działania . ;d 

10 m/s = 10 * 1/1000 km /1/3600 s = 1/100 km * 3600 /1 h = 36 km/h bo: 1 m = 1/1000 km 1 s = 1/3600 h 15 km /h = 15 * 1000 m /60 min = 15000 m/60 min = 250 m/min bo: 1 km = 1000 m 1 h = 60 min 150 cm / s = 150 * 1/100000 km /1/60 min 150 cm /s = 0,09 km/min bo: 1 cm = 1/100000 km 1 s = 1/60 min 720 km/h = 720 * 100000 cm /3600 s = 20000 cm/s bo: 1 km = 100000 cm 1 h = 3600 s 3,6 m/s = 3,6 *100 cm /s = 360 cm/s bo: 1 m = 100 cm 1,8 m/min = 1,8 * 100 cm /60 s = 3 cm/s bo: 1 m = 100 cm 1 min = 60 s