Physics

Problem

Water stands

0.45\,\text{m}

above a small hole in the vertical side of a tank. Calculate the speed with which the water leaves the hole. Take

g = 9.8\,\text{m s}^{-2}

. a)

4.2\,\text{m s}^{-1}

2.1\,\text{m s}^{-1}

3.0\,\text{m s}^{-1}

6.3\,\text{m s}^{-1}