問題詳情
8. A tube with three openings has threedifferent cross-sectional areas(A1:A2:A3 = 2:1:3), as shown in thefigure. The pressure difference is 25 Pabetween A1 and A2. If v1 = 0.125 (m/s),find the density of the fluid (kg/m3).
(A) 561
(B) 982
(C) 1067
(D) 1534
(E) 1698
參考答案
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25 = 1/2 x 密度 x........