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Connected Rates of Change

  1. Dec 29, 2015 #1
    1. The problem statement, all variables and given/known data

    CRoC.jpg
    2. Relevant equations


    3. The attempt at a solution
    CRoC Solution.jpg


    My problem is with part ii)
    To me, my logic seems sound for the rate of change of depth but apparently it's wrong.
    Does anyone see what i'm missing?
    Thanks
     
  2. jcsd
  3. Dec 29, 2015 #2

    SteamKing

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    In part ii) check your arithmetic. What is 4 ⋅ 14?
     
  4. Dec 29, 2015 #3
    Oops! Thanks. Working too fast.
     
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