Mathematics

Problem

Water flows through a horizontal pipe of inside diameter

4.0\,\text{cm}

at a speed of

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

. The pipe then narrows to an inside diameter of

2.0\,\text{cm}

. Calculate the volume of water, in liters, that exits the narrower section in

10\,\text{s}