
[問題] 高中物理一題

對DE選項有疑惑
動能不是越來越大嗎?
怎麼會有負值出現
用角動量守恆跟力學能守恆列式可以解
稍麻煩
不知有無更佳的解法?
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05/01 20:52, , 1F
05/01 20:52, 1F
感謝提醒 已修正
※ 編輯: GuanSi (111.243.102.116), 05/01/2016 21:03:51
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05/01 21:07, , 2F
05/01 21:07, 2F
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05/01 21:09, , 3F
05/01 21:09, 3F
這題答案BD 但我只解的出B這個答案
※ 編輯: GuanSi (111.243.102.116), 05/01/2016 21:12:54
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05/01 21:17, , 4F
05/01 21:17, 4F
推
05/02 02:04, , 5F
05/02 02:04, 5F
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05/02 02:04, , 6F
05/02 02:04, 6F
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05/02 02:04, , 7F
05/02 02:04, 7F
推
05/02 12:35, , 8F
05/02 12:35, 8F
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05/02 12:36, , 9F
05/02 12:36, 9F
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05/02 12:37, , 10F
05/02 12:37, 10F
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05/02 12:43, , 11F
05/02 12:43, 11F
推
05/02 18:05, , 12F
05/02 18:05, 12F
推
05/05 10:09, , 13F
05/05 10:09, 13F
推
05/06 00:07, , 14F
05/06 00:07, 14F
討論串 (同標題文章)