A small hole of area of cross-section 2 mm^2 is present near the bottom of a fully filled open tank of height 2 m. Taking g =10 m / s^2, the rate of…

A small hole of area of cross-section $\displaystyle 2 \mathrm{~mm}^2$ is present near the bottom of a fully filled open tank of height $\displaystyle 2$ m . Taking $\displaystyle \mathrm{g}=10 \mathrm{~m} / \mathrm{s}^2$, the rate of flow of water through the open hole would be nearly :