Question

A garden hose attached with a nozzle is used to fill a 7-gal bucket. The inner diameter of the hose is 1”, and it reduces to ½” at the nozzle exit. If it takes 32 s to fill the bucket with water, determine the average velocity of water at the nozzle exit

Answer 1

$v=\frac{r_1+r_2}{2t}=3 .5~\frac{in}s.$