7.2km/s=______km/h
问题描述:
7.2km/s=______km/h
答
7.2km/s
=7.2/(1/3600)
=2.592*10^4km/h
7.2km/s=______km/h
7.2km/s
=7.2/(1/3600)
=2.592*10^4km/h