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

cooter · Feb 2nd 2018, 06:53 PM

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?

oz93666 · Feb 2nd 2018, 08:07 PM

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)

HallsofIvy · Feb 3rd 2018, 04:44 AM

Surely you mean "pi" ($\pi$), not "phi" ($\phi$).

THERMO Spoken Here · Feb 3rd 2018, 08:07 AM

Hey Cooter...

Here are two more "Mass Equation" problems.

Refill the Pool | THERMO Spoken Here!

Dig Suez | THERMO Spoken Here!

Good Luck, jp

oz93666 · Feb 3rd 2018, 07:09 PM

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