发布网友 发布时间:2022-05-03 05:27
共2个回答
热心网友 时间:2023-10-11 03:42
5m/s = 5x0.01hm/s = 5x 0.01hm/3600s /3600 = 0.05x3600hm/h =180 hm/h热心网友 时间:2023-10-11 03:42
=5*3600/1000=18km/h热心网友 时间:2023-10-11 03:42
5m/s = 5x0.01hm/s = 5x 0.01hm/3600s /3600 = 0.05x3600hm/h =180 hm/h热心网友 时间:2023-10-11 03:42
=5*3600/1000=18km/h