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Homework Help: Pressure (continued)

  1. Feb 25, 2008 #1
    1. The problem statement, all variables and given/known data
    A city maintains a gauge pressure in the ground-level pipes of 41.4 kPa. Is the pressure sufficient to raise the water to a faucet at the top of a 20 m high building?

    2. Relevant equations
    P = P_0 + Dgh
    P = F/A

    3. The attempt at a solution
    P = (41.4 kPa)(1000 Pa/1 kPa) = 4.14 x 10^4 Pa
    D = ???
    h = 20 m
    g = 9.8 m/s^2

    I have no clue what the density of water is in this case. Also, what is P_0? Please help!


  2. jcsd
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