Contact us
Choose a category below so we can get back to you as quickly as possible.
旋轉運動 但是在物理學推導鐘擺公式的時候 默認鐘擺擺長够長並且角度小於15度 所以可以認為是近似平移 物理學存在很多假設就看你怎麼理解
We and our partners use cookies and other technologies to analyze traffic and optimize your experience. View more info and control your cookies settings at any time in our Cookies Policy.