1Kg/m3= g/cm3 1m/s= km/h
问题描述:
1Kg/m3= g/cm3 1m/s= km/h
答
1Kg/m3=1000g / 10^6 cm^3=0.001g / cm^3
1m/s=0.001Km / (1/3600)h=3.6 Km / h