19. Water enters a house through a pipe with an inside diameter of 2.0 cm at an absolute pressure of 4.0×105 Pa. A 1.0 cm-diameter pipe leads to the second-floor bathroom 5.0 m above. When the flow speed at the inlet pipe is 1.5 m/s, find the water pressure in the bathroom. (ρwater=1000 kg/m3 )
(A) 0.17×105 Pa
(B) 0.32×105 Pa
(C) 0.49×105 Pa
(D) 0.66×105 Pa
(E) 3.3×105 Pa
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