作者henry925 ( 小亨利)
看板Physics
标题[力学] 转动
时间Tue Dec 23 23:51:31 2008
※ [本文转录自 TransPhys 看板]
作者: henry925 ( 小亨利) 看板: TransPhys
标题: [力学] 转动
时间: Tue Dec 23 19:37:04 2008
A hoop , a uniform disk , and a uniform sphere , all
with the same mass and outer radius, start with the
same speed and roll without sliding up inclines.
Rank the objects according to how high they go, least to greatest.
请问最低到最高 环盘球 怎麽排序? 是依据什麽来的?
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