問題詳情
9. 上端為開口而截面積固定為 
m2的圓桶水槽內原盛有高度為10m的水，水槽下方有截面積5m2的排水小孔，設水流動時無黏滯力，試求水從底部洩出的速率為？
(A) 10
(B) 20
(C) 30
(D) 40
(E) 50 m/s
m2的圓桶水槽內原盛有高度為10m的水，水槽下方有截面積5m2的排水小孔，設水流動時無黏滯力，試求水從底部洩出的速率為？(A) 10
(B) 20
(C) 30
(D) 40
(E) 50 m/s
參考答案
答案：B[無官方正解]
難度：適中0.5
統計：A(0),B(0),C(0),D(0),E(0)
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