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March 31, 2015

March 31, 2015

Posted by **john** on Saturday, November 3, 2007 at 9:02pm.

(a) A faucet on the second floor, 6.5 m above the first floor, is turned off. What is the gauge pressure at this faucet?

(b) How high could a faucet be before no water would flow from it, even if the faucet were open?

- Physics -
**drwls**, Saturday, November 3, 2007 at 9:39pm(a) Subtract (density)*g*h

from the pressure in the floor below.

h = 6.5 m

density = 1000 kg/m^2

g = 9.8 m/s^2

(b) The pressure at a height H above the first floor is

1.70*10^5 N/m^2 - (density)*g*H

Set (density)*g*H = 1.70*10^5 N/m^2

and solve for H

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