[題目] 力學能守恆
[領域] (題目相關領域)
高中物理
[來源] (課本習題、考古題、參考書...)
教甄考題
[題目]
http://0rz.tw/5Wp05
[瓶頸] (寫寫自己的想法,方便大家為你解答)
假設雲霄飛車是一條均勻的繩子,然後再應該處處會有繩張力
因此~小弟不知道該如何考慮極端狀態,我的想法是~雲霄飛車如果充滿整個圓形軌道時
應該會以一個穩定的速度繞圈,但就是這個穩定的速度不知道該用哪個條件限制出來
請版高手提點小弟一下~感激不盡
http://0rz.tw/olHsl這才是答案
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