[理工] [動力]-清大98-機械-考題

看板Grad-ProbAsk作者 (小毓)時間16年前 (2010/02/04 10:46), 編輯推噓4(406)
留言10則, 5人參與, 最新討論串1/1
剛剛寫完 可以麻煩有答案的幫我對一下嗎??感謝好心人 fmg 1. F = -------------- fsinθ + cosθ F -1 F 2. T = ------ , θ = sin ------ sinθ Fs 3. (a) T (b) F (c) F (d) F (e) T (f) T (g) T (h) T (i) T (j) F 4. 不會寫= = 5. (a) ω = 2.396 (rad/s)(順時針) α = 34.49 (rad/s^2)(順時針) (b) Ve = 1.342 (m/s) ae = 9.11 (m/s^2) 6.(a) h = (2/3)L (b) α = 7.78 (rad/s^2)(順時針) (c) Ax = 0 Ay = 9.8(N) -- ※ 發信站: 批踢踢實業坊(ptt.cc) ◆ From: 114.43.152.7

02/04 13:58, , 1F
認真@@!
02/04 13:58, 1F

02/04 18:01, , 2F
3.(d)T (g)F (j)T 4.(a)a=2(w^2)*√(r^2-(ro)^2)
02/04 18:01, 2F

02/04 18:02, , 3F
(b)2m*(w^2)*√(r^2-(ro)^2)
02/04 18:02, 3F

02/04 18:03, , 4F
其餘沒寫的代表你寫對了 你好強阿大大= =
02/04 18:03, 4F

02/04 18:45, , 5F
3.的(d)應該很明顯是F吧= = eθ的微分不是-er嗎 還是我
02/04 18:45, 5F

02/04 18:45, , 6F
搞錯了?
02/04 18:45, 6F

02/04 18:47, , 7F
還是真的很感謝你幫我對 辛苦你了
02/04 18:47, 7F

02/04 22:14, , 8F
3.d 應該是F
02/04 22:14, 8F

02/04 22:18, , 9F
F+1
02/04 22:18, 9F

02/05 00:04, , 10F
抱歉解答抄錯... (d)是F沒錯
02/05 00:04, 10F
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