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Differential equations; related rate problem

  1. Sep 12, 2007 #1
    1. The problem statement, all variables and given/known data
    [​IMG]

    2. Relevant equations

    I know the solution is:

    dh/dt = -(cpi√h)/450

    3. The attempt at a solution

    I know the give equation is dV/dT, and I know that V=h³...
    I figured that the volume at any point was equal to: V = dV/dt + Vo
    therefore I could equate h³= dV/dt + Vo but I think I'm still missing something...

    can anyone give me a clue as to how to solve this problem?
     
  2. jcsd
  3. Sep 12, 2007 #2

    EnumaElish

    User Avatar
    Science Advisor
    Homework Helper

    State the problem.
     
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