Question

College Physics 1e LS W 12 13 5 ime s A garden hose with an inside diameter of 13.8 mm fills a bucket with 14.4 kg of water in 17.9 s (a) What is the mass flow rate of water in the hose? : 0.818 kg/s (b) What is the speed of water in the hose? m/s (c) To get the same mass flow rate from part (a), but with a fluid with density lower than waters, how would you have to change the speed from part (b)? A. The speed must increase. I just need part b . The speed of water in the hose . Thanks !
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Answer #1

Mass flow rate= density of water*velocity *area

Velocity = mass flow rate/ area*density.

Density of water is 1 kg/m^3

V=. 818/pi*r*r

= . 818/3.14*13.8*13.8*10^-6

1367.8 m/s

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I just need part b . The speed of water in the hose . Thanks !...
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