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Volume and Density

  1. Nov 11, 2008 #1
    1. The problem statement, all variables and given/known data
    A solid object floats with 54% of its volume beneath the surface of the water. What is the object’s density? Give answer in g/cm3.


    2. Relevant equations
    Density = mass/ volume


    3. The attempt at a solution

    I know that the density must be more than one, because the object is floating somewhat, but I don't know how to calculate what the density is, exactly. If anyone has a better formula for this problem, I'd much appreciate it.
     
  2. jcsd
  3. Nov 11, 2008 #2
    Hint: what is the density of water? And what does it mean when something is floating on water?
     
  4. Nov 12, 2008 #3
    If the density of water is one, and its floating, than it must be less than one?

    How do I figure out exactly what it is, though? I don't have the mass or the exact density or the volume, so my formula is useless...
     
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