A garden hose attached with a nozzle is used to fill a 10‐ gal bucket. The inner diameter of the hose is 2 cm, and it reduces to 0.8 cm at the nozzle exit. If it takes 50 s to fill the bucket with water, determine (a) the volume and mass flow rates of water through the hose, and (b) the average velocity of water at the nozzle exit.

Explanation:

Given

Volume of bucket

Time taken to fill the bucket

so volume flow rate is

1 gal is equivalent to

mass flow rate

(b)Average velocity through nozzle exit

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explanation:

i think the answer is a, hope this : )