72 km/jam = . . . m/s 50 m/s = . . . Km/jam 2000 kg/m3 = . . . g/cm3 2 mil = . . . Km 200 mil/jam =. . . Km/jam Berikan jalan nya

1. 72 km/jam = 72000 : 3600
= 20 m/s

2.50m/s =0,05 x 3600
=180 km/jam

3. 2000 kg/m3 = 2000000 : 1000000
= 2 g/cm3

4. 2 mil = 1,609 x 2
= 3,218 km

5. 200 mil/jam = 1,609 x 200
= 321,8 km/jam