Physics

Problem

Water enters a hose of cross-sectional area

3.0\times10^{-4}\,\text{m}^2

with a speed of 2.5 m s⁻¹ and emerges from a nozzle of area

5.0\times10^{-5}\,\text{m}^2

. a. (i) Calculate the speed of water at the nozzle. b. (ii) Determine the volume of water delivered by the nozzle in 30 s.