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    ghanima's Avatar
    ghanima Posts: 2, Reputation: 1
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    #1

    Jul 6, 2010, 11:39 AM
    Physics
    A glass full of water with a piece of ice floating in it is left in a warm room . Briefly explain why the water does not overflow as the ice melts.
    ghanima's Avatar
    ghanima Posts: 2, Reputation: 1
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    #2

    Jul 6, 2010, 11:46 AM
    Physics
    A cube of wood of 10cm floats in water with 4.5cm of its depth below the surface and with its sides vertical . What is the density of the wood?
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    Clough Posts: 26,677, Reputation: 1649
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    #3

    Jul 6, 2010, 01:33 PM
    Hi, ghanima!

    Are you looking for direct answers to the problems, or for someone to come along and teach you how to come up with the correct answers yourself, please?

    If the former is true, please click on the following link to read the announcement there.

    https://www.askmehelpdesk.com/math-s...-b-u-font.html

    Thanks!
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    Unknown008 Posts: 8,076, Reputation: 723
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    #4

    Jul 7, 2010, 09:31 AM
    Quote Originally Posted by ghanima View Post
    a glass full of water with a piece of ice floating in it is left in a warm room . briefly explain why the water does not overflow as the ice melts.
    What do you know about the relationship between ice and water, and how they change from one form to another?

    For the second one, I think you have to use the Archimedes principle. The wood will displace a volume of water having the same mass as the immersed part.
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