物理的問題 有關質心及質心運動 - 運動
By Ophelia
at 2007-01-24T00:00
at 2007-01-24T00:00
Table of Contents
一爆裂物由地面垂直上拋當到達最高點時爆裂成質量相等的兩碎片已知一片垂直朝下飛出且經時間t後著地若最高點與地面的距離為h則當垂直朝下的碎片落地時(a)爆裂物質心的離地高度為何?(b)另一塊碎片的離地高度為何?(重力加速度g)有誰能幫我解答已經有答案但是我不會算可以的話請解釋清楚一點因為
Tags:
運動
All Comments
By Blanche
at 2007-01-25T06:41
at 2007-01-25T06:41
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