更新1:
我想要合乎數學的解釋
energy of pendulums
回答 (1)
2008-07-12 6:15 am
✔ 最佳答案
This website explains the energy of pendulum.http://en.wikipedia.org/wiki/Pendulum_%28derivations%29 (the second part)
收錄日期: 2021-04-16 22:43:51
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20080710000051KK02213