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Pressure Problem

  1. May 18, 2008 #1
    1. The problem statement, all variables and given/known data

    The water behind a dam is 15.0m deep. A 4.00 cm diameter pipe is located 12.0 m down the dam. (density of water = 1.0x10^3 kg/m3 , 1.00atm = 1.0 x 10^5 Pa)

    Initially the pipe is closed. What is the pressure at the inlet to the pipe?

    2. Relevant equations

    P_in=P_out + Dgh

    (D is density)

    3. The attempt at a solution

    =1.0x10^5 Pa + 1.0x10^3kg/m^3 x 9.81m/s^2 x 12m

    =2.18 x 10^5 Pa???

    Can someone tell how to set these problems up, or refer me to a website that explains it please?
  2. jcsd
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