[討論] 後西醫物理化學討論區
如題
推文討論吧~
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※ 文章網址: https://www.ptt.cc/bbs/post-b.test/M.1497700044.A.45F.html
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第五題
Halliday第五版 771頁證明題練習
給的公式是 ui r^2-b^2
-------------- * ---------
2pi(a^2-b^2) r
這樣看真的不是線性
但是本題出自這 https://www.ets.org/s/gre/pdf/practice_book_physics.pdf
78頁第92題
所以校方願意承認題目錯機率應該會降...
最重要的解答連結裡沒有!!
所以我該拿Halliday習題跟他拚拚看嗎?
至少可看出b<r<a(本題為R<r<2R)時值不可能為0
※ 編輯: WuKongIILi (1.175.113.224), 06/18/2017 00:53:13
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