╭──────────── 提醒:版規三及版規四 ─────────────╮
│解題文需附上自己的解題過程或自己對題目的理解 │
│問題文需先自行查過網路資料並附上對資料的初步理解 │
│問題獲得回答後也勿任意刪除文章,並適度的向回答者表達感謝之意 │
╰──────────────────────────閱讀後可用ctrl+y刪除╯
【出處】高中物理課本
【題目】The components of a vector, which are scalar quantities, can be positive or negative.
【瓶頸】這句原文表示向量的分量是純量,但是可以表示為正號或負號,是因為分量只能在X與Y軸上,沒有角度,所以才是純量嗎?
--
※ 發信站: 批踢踢實業坊(ptt.cc), 來自: 114.38.28.229
※ 文章網址: https://www.ptt.cc/bbs/Physics/M.1478697396.A.588.html
推
11/09 21:20, , 1F
11/09 21:20, 1F
我覺得很奇怪,這本書上又寫:a vector is equal to the sum of its component vect-ors.
這不就代表分量也是向量嗎?
※ 編輯: zzss2003 (114.38.28.229), 11/09/2016 21:37:54
※ 編輯: zzss2003 (114.38.28.229), 11/09/2016 21:38:19
推
11/09 22:10, , 2F
11/09 22:10, 2F
→
11/09 22:12, , 3F
11/09 22:12, 3F
→
11/09 22:13, , 4F
11/09 22:13, 4F
→
11/09 22:14, , 5F
11/09 22:14, 5F
了解!
推
11/09 22:15, , 6F
11/09 22:15, 6F
了解!謝謝
→
11/09 22:15, , 7F
11/09 22:15, 7F
→
11/09 22:21, , 8F
11/09 22:21, 8F
→
11/09 22:21, , 9F
11/09 22:21, 9F
3q
推
11/10 05:55, , 10F
11/10 05:55, 10F
推
11/10 07:35, , 11F
11/10 07:35, 11F
推
11/10 08:57, , 12F
11/10 08:57, 12F
→
11/10 08:57, , 13F
11/10 08:57, 13F
推
11/10 09:39, , 14F
11/10 09:39, 14F
→
11/10 12:34, , 15F
11/10 12:34, 15F
→
11/10 12:35, , 16F
11/10 12:35, 16F
推
11/10 13:12, , 17F
11/10 13:12, 17F
→
11/10 13:12, , 18F
11/10 13:12, 18F
→
11/10 13:13, , 19F
11/10 13:13, 19F
→
11/10 22:05, , 20F
11/10 22:05, 20F
→
11/10 22:07, , 21F
11/10 22:07, 21F
→
11/10 22:07, , 22F
11/10 22:07, 22F
→
11/10 22:52, , 23F
11/10 22:52, 23F
→
11/11 08:05, , 24F
11/11 08:05, 24F
※ 編輯: zzss2003 (114.38.15.51), 11/11/2016 18:37:34
推
11/12 15:17, , 25F
11/12 15:17, 25F
→
11/12 15:20, , 26F
11/12 15:20, 26F
→
11/12 15:20, , 27F
11/12 15:20, 27F
推
11/12 15:54, , 28F
11/12 15:54, 28F
推
11/12 16:50, , 29F
11/12 16:50, 29F
→
11/12 21:35, , 30F
11/12 21:35, 30F
→
11/12 21:41, , 31F
11/12 21:41, 31F
→
11/12 21:50, , 32F
11/12 21:50, 32F
推
11/14 07:01, , 33F
11/14 07:01, 33F
推
11/14 20:27, , 34F
11/14 20:27, 34F
→
11/14 20:27, , 35F
11/14 20:27, 35F
我真的覺得褚*三 陳*明 劉*崑 潘*龍 王*公 谷*心 翟*鈞 謝*君翻譯Serway*s Principl-
es of Physics A calculus-Based Text, Fourth Edition翻得很爛 呼籲大家別買這本書
※ 編輯: zzss2003 (114.38.26.73), 11/14/2016 20:33:00
推
11/14 21:16, , 36F
11/14 21:16, 36F
推
11/15 09:58, , 37F
11/15 09:58, 37F
→
11/15 09:58, , 38F
11/15 09:58, 38F
→
11/17 06:58, , 39F
11/17 06:58, 39F
→
11/17 06:58, , 40F
11/17 06:58, 40F
→
11/19 20:59, , 41F
11/19 20:59, 41F
→
11/19 20:59, , 42F
11/19 20:59, 42F