I know the mathematical explanation in w=0.5mv^2, but I do not know the physical explanation.
更新1:
都話要physical explanation
都話要physical explanation
收錄日期: 2021-04-24 23:18:15
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20160510010954AAbi2Ha