Physics

Problem

Water enters a horizontal pipe of diameter

6\,\text{cm}

with a speed of

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

. The pipe narrows to a diameter of

3\,\text{cm}

. What is the speed of water in the narrower section? a)

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

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

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

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