作者查詢 / rockdanger
作者 rockdanger 在 PTT [ Physics ] 看板的留言(推文), 共32則
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41F推:我比較想知道為什麼有質量的兩物質就會互相吸引03/23 12:45
1F推:他只是想紅而已,大家還回這麼多篇10/18 00:30
1F→:侯~作業想用抄的嗎10/16 17:41
3F→:google過了嗎? 把書內的習題挑幾題打上去google10/16 17:56
4F→:就是一字不漏的把題目打上去搜尋, 有機會找到其他學校10/16 17:56
5F→:做完習題後的解答, 運氣好點就可以找到整份的10/16 17:57
1F推:恩10/16 17:41
6F推:可以這樣想: 左手本來只要2N就可以讓木塊得到20J;10/16 17:22
7F→:現在右手跑來亂, 導致左手要額外製造30J來抵抗右手,10/16 17:22
8F→:因此就只是左右手互相推擠, 把各自的30J消耗掉。10/16 17:22
9F→:而能量轉換成熱能,是因為以上消耗掉的能量,是由你的10/16 17:22
10F→:雙手組織吸收,雙手的原子受到擠壓而改變振動的狀態,10/16 17:22
11F→:那就變成熱了, 因為分子振動的劇烈程度就是溫度。10/16 17:22
1F推:暗紋吧10/15 00:24
19F推:詳細推, 看完上一篇推文我也超想說這個的09/06 12:54
66F推:天空是藍的不是因為瑞利散射嗎09/06 12:52
67F→:哦~~下面已經有強者回文了XD09/06 12:54
14F推:樓上幹嘛人身攻擊09/07 00:01
11F推:便宜的液氮就77K了吧 要鎔鎢的話 加電流就可以了09/02 16:49