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6. (5%) Which are the possible solutions of the differential equation (A) y=ex (B) y= sin(x)+cos(x)
問題詳情
6. (5%) Which are the possible solutions of the differential equation
(A) y=ex
(B) y= sin(x)+cos(x)
(C)
(D) y=x+1
(E)
參考答案
上一篇 :
39.如【圖 39】所示之形狀,其形心位置為何? (A) = 5cm, = 2.6cm (B) = 5cm,= 2.3cm (C) = 4.5cm,= 2.5cm (D) = 4cm, = 2.
下一篇 :
40.如【圖 40】所示,此組合體形心至圓柱底部之距離為多少?(A) (B) (C) (D)
資訊推薦
7. (5%) Which is the general solution of the differential equation (assume C1 and C2 are constants)
41.如【圖 41】所示, 圓形面積對底邊之迴轉半徑為何? (A) (B) (C) (D)
8. (5%) Which is the general solution of the differential equation (assume C and G, are constants) (
42.在彈性範圍內,一均質實心圓桿受軸向拉力作用而伸長。若將桿件直徑縮小一半,桿件長度與拉力都增為原 來之 2 倍,則桿件伸長量為原伸長量之多少倍? (A) 8 倍 (B) 16 倍 (C)
43.兩彈簧之彈簧常數分別為 600N\/cm 與 400N\/cm,將兩者串聯成一彈簧組件。欲使此彈簧組件縮短 10cm,應 施加多少壓力? (A) 1.2kN (B) 2.4kN (C
44.一矩形斷面鋼桿,橫斷面為 40mm×50mm,彈性係數 ES=200 GPa,蒲松比為 0.4,當此桿於彈性限度內承受 240kN 軸向拉力時,其橫斷面 50mm 邊長處之尺寸大小變化量為多少?
45.如【圖 45】所示,長度相同之鋼桿與銅桿共同懸掛一水平物體,物重 W=60kN,兩桿間距極小,鋼桿斷面積 100mm2,彈性模數 ES為 210 GPa,銅桿斷面積 300mm2,彈性模數為 1
46.樑長為 L 且自重不計,則關於樑受力產生最大彎矩之敘述,下列何者正確? (A) 簡支樑中點承受集中荷重 P 作用,最大彎矩為 PL\/2 (B) 簡支樑全樑承受均佈荷重 w 作用,最大彎矩為
47.一矩形斷面樑之斷面寬為 b,高為 4b。若將斷面改成寬為 2b 之正方形,則此樑可承受之力矩會變為原來之 若干倍? (A) 1 (B) 1\/2 (C) 1\/3 (D) \u
48.如【圖 48】所示,A 點彎矩之絕對值為多少 N-m? (A) 400 (B) 800 (C) 1600 (D) 2000
9. (5%) Which are the possible solutions of function f(t) for the Laplace Transform (A) f= cosh(πt)
49.如【圖 49】所示,此樑之最大彎曲應力為多少? (A) (B) (C) (D)
50.如【圖 49】所示,此樑之最大剪應力為多少? (A) (B) (C) (D)
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14. (10%) Suppose that s, t, and u are vectors in G\" such that s is orthogonal to u and u is
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12 (A) However (B) Indifferently (C) Accordingly (D) Contrad
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15 (A) attached (B) declared (C) attributed (D) denounc
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14 (A) immense (B) illegitimate (C) surpassable (D) surmoun