Water flowing through a garden hose of diameter 2.73 cm fills a
20.0 L bucket in 1.50 min. (a) What is the speed of the water
leaving the end of the hose? m/s (b) A nozzle is now attached to
the end of the hose. If the nozzle diameter is one-third the
diameter of the hose, what is the speed of the water leaving the
nozzle? m/s