a) 60 m/min = m/s b) 300 cm/s = m/s c) 36 km/h = m/s d) 20 m/s = km/h z obliczeniami

a) 60 m/min = m/s 60m/60s=1 m/s b) 300 cm/s = m/s 300cm=3m 3m/s c) 36 km/h = m/s 36km=36000m 1h=3600s 36000m/3600s=10m/s d) 20 m/s = km/h 20m=0,02km 1s=1/3600h 0,02km/(1/3600h)=2/100*3600=72km/h