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作者 papple23g 在 PTT [ Physics ] 看板的留言(推文), 共55則
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1F→: 磁偶極子磁場分佈11/21 23:31
2F→: https://i.imgur.com/51azgbs.jpeg11/21 23:31
470F推: 推111.240.96.151 07/29 22:03
2F→: https://youtu.be/_RKdWYqgu3Y10/12 08:40
9F推: 推 是說外加磁場的方向是不是反了06/17 08:04
25F→: 花了零點幾秒才完全放開沒辦法控制到完全一樣01/16 00:12
3F推:03/20 08:19
5F推: 推柯08/11 03:40
10F推: 我想像了兩個摩擦面在微觀下有密集的凸出物,可以先假06/12 13:05
11F→: 設形狀皆為隨機又密集的半粒球型分佈。兩面相對靜止時06/12 13:05
12F→: ,接觸情況接近緊密嵌套(拉動困難) ; 滑動時,物體有極06/12 13:05
13F→: 微小的抬升,使得物體幾乎在圓頂上移動(拉動容易),直06/12 13:05
14F→: 至靜止後才會回到嵌套狀態06/12 13:05
1F推: 把動量跟位移用圓周運動的角度表達,再用三角函數的關05/31 13:01
2F→: 係把動量寫成位移的函數,畫出來會是一個橢圓的形狀,05/31 13:01
3F→: 然後求面積05/31 13:01
14F推: (笑臉比YA) 物 理 革 命01/23 03:01
15F→: 不曉得和溶氧量有沒有關係01/23 03:03