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Help on problem!

  1. Apr 24, 2004 #1
    Hi, I need help on this problem:

    You own a 25kg plastic ocean kayak with a sealed interior filled with air. THe kayak has a total volume of 0.17m^3. The mass of water the kayak displace is 170kg. WHile floating, what volume of water does the kayak displace?

    Thanks!
     
  2. jcsd
  3. Apr 25, 2004 #2

    Doc Al

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    Staff: Mentor

    For the kayak to float, the buoyant force must equal its weight. From Archimedes' principle, the buoyant force equals the weight of the displaced water.
     
  4. Apr 27, 2004 #3
    I got 0.025m^3 as the answer. Is that correct?
     
  5. Apr 27, 2004 #4

    Doc Al

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    Staff: Mentor

    Looks right to me.
     
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