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Old Jan 19th 2016, 06:18 PM   #1
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depth of pressure

why the P2 = P atm ? why not P2 = P atm +5 ρg ?
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Old Jan 19th 2016, 06:57 PM   #2
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Originally Posted by ling233 View Post
why the P2 = P atm ? why not P2 = P atm +5 ρg ?
P2 is going to be the pressure just outside the valve, not the pressure at the bottom of the tank.

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