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29 January, 01:42

A cube 10.0 cm on each side has a density of 2.053 x 10^4 kg/m^3. It's apparent weight in fresh water is 192 N. Find the buoyant force.

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  1. 29 January, 03:20
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    9 N

    Explanation: Given that L = side of the cube = 10cm = 0.1m

    Mass = Density * Volume

    Let's determine the volume of the cube in m^3.

    V = L^3

    V = 0.1^3 = 0.001m^3

    Mass = 0.001 * 2.053 * 10^4 = 20.53kg

    Weight = 20.53 * 9.8 = 201.194

    Buoyant force = 201.194 - 192 = 9.194 N

    This is approximately 9 N.
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