問題詳情
19. Water enters a house through a pipe with an inside diameter of 2.0 cm at an absolute pressure of4.0×105Pa. A1.0 cm-diameter pipe leads to the second-floor bathroom 5.0 m above. When the flow speed at theinlet pipe is 1.5 m/s, find the water pressure in the bathroom. (ρwater=1000 kg/m3)
(A) 0.17×105Pa
(B) 0.32×105Pa
(C) 0.49×105Pa
(D) 0.66×105Pa
(E) 3.3×105Pa
參考答案