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作者 answertw 在 PTT [ Physics ] 看板的留言(推文), 共62則
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8F推:推...當然要讓落第時相對地面的水平速度=008/30 14:19
6F推:舉例來說,通常都是exp(E/kT)dE積分08/29 03:53
7F→:因此整個積分完單位是Energy08/29 03:53
8F→:經過變數變換後,可以寫成KT exp(E')dE'08/29 03:54
9F→:所以Exp(E')dE'的確沒單位沒錯08/29 03:54
22F推:請引以為鏡 不要學08/27 00:59
3F推:是怎樣= =08/25 12:54
9F推:應該要假設繩子不會鬆掉 然後答案=N08/19 23:31
10F→:不確定啦XD不知道大家怎麼想08/19 23:31
14F推:假設繩子不會鬆,那m1、m2就要有相同的加速度08/20 11:42
15F→:這樣就解出N08/20 11:42
19F推:不會阿 就是要問這種問題才叫念物理08/09 14:45
25F推:推平均動量是零 八成是這樣08/08 04:16
58F推:就時間阿 沒必要簡單事情複雜化吧說真的07/22 10:26
12F→:這07/03 04:05
18F推:就牛頓第一運動定律就好了阿05/30 08:56