Physics

Problem

9.16 The cylindrical tube of a spray pump has a cross-section of

8.0 \mathrm{~cm}^{2}

one end of which has 40 fine holes each of diameter 1.0 mm . If the liquid flow inside the tube is

1.5 \mathrm{~m} \mathrm{~min}^{-1}

, what is the speed of ejection of the liquid through the holes?