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    aadithya1995 Posts: 1, Reputation: 1
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    Oct 26, 2012, 06:43 AM
    ask physics questions online
    a cubical box is to be constructed with iron sheets 1mm in thickness.what can be the minimum value of external edge so that the cube does not sink in water
    density of iron=8000kgm^ -3
    " of water=1000kg^ -3

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