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# Density and Pressure: Water Tower

CLMECH-DPZAPB

A tall cylindrical container of full of water has a series of exit holes at various heights that can be closed or opened at will.

Which of the following formulas gives the initial speed of the water as it exits the container as a function of the depth from the top, $h$, and the acceleration due to gravity $g$?

A

$2\,g\,h$

B

$\sqrt{2\,g\,h}$

C

$\sqrt{\frac{g\,h}{2}}$

D

$\rho\,\sqrt{2\,g\,h}$