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Bouyancy Question

  1. Nov 13, 2009 #1
    1. The problem statement, all variables and given/known data
    Fossilized ichthyosaurus remains enable us to estimate their volume. If we assume that a
    3m^3 icthyosaurus was "wightless" when it swam under water. What was its weight in metric tonnes?

    2. Relevant equations
    B=Wdisp. lqd ??



    3. The attempt at a solution
    B=V x density x g
    g=9.81
    density= 1000 kg/m^3 (assuming fresh water)
    V=3m^3

    plugging this into the equation would give me B .. not weight??
     
  2. jcsd
  3. Nov 13, 2009 #2

    rl.bhat

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    Homework Helper

    Weightless means
    mg = weight of the displaced liquid.
     
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