[積分] 旋轉體體積

看板trans_math作者 (^__________^)時間16年前 (2009/05/22 17:06), 編輯推噓2(201)
留言3則, 2人參與, 最新討論串6/10 (看更多)
旋轉體積一題 當年占了15分 A semi-circular region of radius r is rotated about the line L which is the tangent line parallel to the diameter. Find the colume volume. -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 58.115.135.114

05/22 21:34, , 1F
用PAPPUS吧!
05/22 21:34, 1F

05/22 21:50, , 2F
算出來是多少呢?
05/22 21:50, 2F

05/22 22:48, , 3F
2(pi)^2(r^3)?
05/22 22:48, 3F
文章代碼(AID): #1A5ciI6v (trans_math)
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文章代碼(AID): #1A5ciI6v (trans_math)