Water at 20 ° C is delivered from one reservoir to anotherthrough a long 8-cm-diameter pipe. The lower reservoirhas a surface elevation z 2 =80 m. The friction loss in thepipe is correlated by the formula h loss ≈17.5( V 2 /2 g ), whereV is the average velocity in the pipe. If the steady fl ow ratethrough the pipe is 500 gallons per minute, estimate thesurface elevation of the higher reservoir.

Question

Water at 20 ° C is delivered from one reservoir to another
through a long 8-cm-diameter pipe. The lower reservoir
has a surface elevation z 2 =80 m. The friction loss in the
pipe is correlated by the formula h loss ≈17.5( V 2 /2 g ), where
V is the average velocity in the pipe. If the steady fl ow rate
through the pipe is 500 gallons per minute, estimate the
surface elevation of the higher reservoir.

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