問題詳情

22. Water is streaming downward from a faucet opening with an area of

. It lcaves thefaucet with a specd of 5.0 m/s. The cross-sectional area of the stream 0.55 m below the faucet is howmany

: (Take g = 10 m/s2. )
(A)1.5
(B)2.0
(C)2.5
(D)3.0
(E) 3.5

參考答案

答案：C
難度：計算中-1
書單：沒有書單，新增