Physics Help Forum Water flows into a pool how long will it take to fill?

 Thermodynamics and Fluid Mechanics Thermodynamics and Fluid Mechanics Physics Help Forum

 Feb 2nd 2018, 06:53 PM #1 Junior Member   Join Date: Feb 2018 Posts: 1 Water flows into a pool how long will it take to fill? Water flows through a 2.3-cm-diameter hose at 4 m/s. How long, in minutes, will it take to fill a 750 L kiddie pool?
 Feb 2nd 2018, 08:07 PM #2 Senior Member   Join Date: Apr 2017 Posts: 506 First find the volume of a 4 meter length of the pipe V= phi x Radius x Radius x 400 (Radius is half the diameter) We are using cm ... (4m =400 cm) so the answer will be in cc ... it will be more than 1200cc .... and this is how much water enters the pool every second. remember 1000cc is a liter , (L)
 Feb 3rd 2018, 04:44 AM #3 Senior Member   Join Date: Aug 2010 Posts: 434 Surely you mean "pi" ($\pi$), not "phi" ($\phi$).
 Feb 3rd 2018, 08:07 AM #4 Senior Member   Join Date: Jun 2010 Location: NC Posts: 418 Hey Cooter Hey Cooter... Here are two more "Mass Equation" problems. Refill the Pool | THERMO Spoken Here! Dig Suez | THERMO Spoken Here! Good Luck, jp
Feb 3rd 2018, 07:09 PM   #5
Senior Member

Join Date: Apr 2017
Posts: 506
 Originally Posted by HallsofIvy Surely you mean "pi" ($\pi$), not "phi" ($\phi$).
Sure ... that's what I said ..phi pronounced pie ...apple pie

Fie is pronounced Fie

 Tags 23cmdiameter, fill, flows, hose, long, pool, water

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