作者查詢 / Gwaewluin
作者 Gwaewluin 在 PTT [ ask-why ] 看板的留言(推文), 共135則
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3F推:那要看流體力學了,漩渦不是跟柯式力無關,而是柯式力的02/17 12:53
4F→:影響遠遠小於流體本身的擾動02/17 12:54
5F→:而流體力學非我主修,無法回答orz02/17 12:54
3F推:平流層不是吹西風嗎?02/14 18:05
4F→:不過好像沒自轉快,比自轉快的好像只有金星而已02/14 18:06
2F推:還有相對論也會影響,不過影響不大 XD02/14 18:00
2F推:理論上一直加速就可以了,不過我覺得燃料應該沒那麼多01/20 23:13
3F→:所以應該是用甩的比較可能01/20 23:13
1F推:一樣啊,怕身體受傷01/16 12:54
1F推:根本就沒有這種運算......12/29 10:23
4F推:對,但是那是取極限之後的結果,無窮不可以放在式子裡面12/29 10:39
5F→:當數字直接計算12/29 10:40
7F推:不能當作數字去處理就是了,通常1/0=∞是指極限的結果12/29 10:58
8F→:而非直接當數字計算的結果12/29 10:59
3F推:無窮不是數,不可以用方程式直接計算12/29 09:33
4F→:是"真的五分鐘"還是"感覺五分鐘"?12/15 14:19
5F→:有時候感覺沒走多久實際上時間卻過滿久的12/15 14:20
6F→:尤其是趕火車盯著手錶又跑又走的時候....orz12/15 14:21