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Determine the speed at which the water leaves the hole

  1. Nov 8, 2007 #1
    1. The problem statement, all variables and given/known data

    A large storage tank, open to the atmosphere at the top and filled with water, develops a small hole in its side at a point 15.0 m below the water level. If the rate of flow from the leak is 2.10x10-3 m3/min

    (a) Determine the speed at which the water leaves the hole. =17.15m/s


    (b) Determine the diameter of the hole. = ?


    2. Relevant equations

    F=eta(Av/d)

    I'm not sure what equation to use for this.

    3. The attempt at a solution

    I'm just not sure how to start this.
    Any suggestions?


    thanks
     
  2. jcsd
  3. Nov 9, 2007 #2
    no suggestions?

    :(
     
  4. Nov 9, 2007 #3

    rl.bhat

    User Avatar
    Homework Helper

    First formula you have to use is that v^2 = 2gh.
    For the second part... Rate of flow of water = area x velocity
     
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