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Help with a problem of a Sphere!

  1. Dec 1, 2007 #1
    We have a hollow Sphere. It weighs 240 newtons in the air, and 150 newtons when it's totally immersed in the water.

    If the density of the metal is 7 g/cm^3. Find the metal thickness

    Last edited: Dec 1, 2007
  2. jcsd
  3. Dec 2, 2007 #2


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    What have you tried so far?
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