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19 October, 08:05

A cube measuring 2cm on each side weighs 5g. Will it sink or float?

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  1. 19 October, 08:31
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    5g is the cube's mass, not its weight.

    The volume of the cube = (2cm x 2cm x 2cm) = 8 cm³.

    Density = (mass) / (volume) = (5g / 8cm³) = 0.625 gm/cm³.

    The cube will sink in any liquid whose density is less than 0.625 gm/cm³.

    It will float in water, whose density is 1 gm/cm³.
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