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[問題] 一題電路題

[ Physics ]4 留言, 推噓總分: +2

作者: skylion - 發表於 2015/01/11 18:19(9年前)

3^F→skylion: 想請問 2 3算並聯嗎？01/11 19:20

[問題] 請問摩擦力與能量守恆

[ Physics ]11 留言, 推噓總分: +2

作者: skylion - 發表於 2014/11/17 16:15(9年前)

11^F→skylion: 感謝這下真的很開朗了 QvQ11/20 07:57

[題目] 高中牛頓運動定律題目

[ Physics ]22 留言, 推噓總分: +1

作者: NewTeach - 發表於 2013/12/18 19:06(10年前)

10^F推skylion:如果要用慣性座標系要把每個未知數分清楚12/18 21:28

11^F→skylion:慣性座標系要求球對地的物理量 S球地=S球人+S人地12/18 21:29

12^F→skylion:然後要用Ft=m(v'-v)的式子求F 所以令反彈前V球地' 反彈後12/18 21:32

13^F→skylion:V球地'' 一樣也是拆成球人+人地去做因為題目給的都是球人12/18 21:34

14^F→skylion:的敘述...12/18 21:35

15^F→skylion:我想一些未知的東西應該可以代掉吧12/18 21:38

[問題] 沒有電阻的導線

[ Physics ]20 留言, 推噓總分: +4

作者: skylion - 發表於 2013/11/18 12:23(10年前)

11^F→skylion:QQ 看來是題目出錯了11/19 10:11

12^F→skylion:題目是A有接安培計 B沒接東西問安培計讀數11/19 10:12

13^F→skylion:但明明安培計有電阻所以全都會從B走應該測到是0吧?11/19 10:13

[問題] 關於摩擦力與正向力

[ Physics ]6 留言, 推噓總分: +2

作者: LaLa0526 - 發表於 2013/11/06 22:23(10年前)

1^F推skylion:第二點只有最簡單的狀況下是和重力成正比11/06 22:39

2^F→skylion:有些狀況例如施一個斜向的拉力給一個木塊你的摩擦力11/06 22:40

3^F→skylion:會等於uN=u(mg-Fsin) 就沒有和重力成正比11/06 22:41

[問題] 光的繞射現象和物體大小的關係

[ Physics ]6 留言, 推噓總分: +5

作者: x73807 - 發表於 2013/09/23 16:18(10年前)

5^F推skylion:單狹縫有公式推導阿一切都很合乎邏輯09/26 07:01

6^F推skylion:y=入r/d 如果d和入差不多尺度 y就會明顯阿09/26 07:04

[問題] 光波的波峰與波谷?

[ Physics ]14 留言, 推噓總分: +4

作者: skylion - 發表於 2013/09/11 07:15(10年前)

4^F→skylion:水波干涉波谷+波谷絕對是極暗的這點不會有錯09/11 11:28

5^F→skylion:因為從實驗的影片可以清楚看到腹線上不斷明暗交替09/11 11:29

13^F→skylion:j大講的跟我所認知的差不多但是對於光波的認識實在太少09/13 08:21

Re: [問題] 波前的長短

[ Physics ]1 留言, 推噓總分: +1

作者: Entropy1988 - 發表於 2013/07/20 01:22(10年前)

1^F推skylion:恩這樣似乎滿合理的謝謝啦!~^O^07/20 08:18

Re: [問題] 一題高中物理

[ Physics ]10 留言, 推噓總分: +7

作者: jasonkuo515 - 發表於 2013/04/07 23:36(11年前)

7^F推skylion:感謝大大們明天再來好好研究XD04/08 00:08

9^F推skylion:其實關鍵就是我把張力搞錯成mg了因為左邊有在動所以要04/08 22:55

10^F→skylion:寫T-mg=ma，而不是只看mg04/08 22:56

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