question_answer

In the figure shown the velocity and pressure of the liquid at the cross section (2) are given by (If \[{{P}_{0}}\] is the atmospheric pressure).

A) \[\sqrt{2hg,\,}{{P}_{0}}+\frac{\rho hg}{2}\]

B) \[\sqrt{hg,\,}{{P}_{0}}+\frac{\rho hg}{2}\]

C) \[\sqrt{\frac{hg}{2},}{{P}_{0}}+\frac{3\rho hg}{4}\]

D) \[\frac{\sqrt{hg,}}{2}{{P}_{0}}-\frac{\rho hg}{4}\]