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5 November, 16:47

You just measured a block of wood and obtained the following information: mass = 55.120 g length = 8.5 cm height = 4.3 cm width = 3.3 cm Determine the volume and density of the wood block.

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  1. 5 November, 19:34
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    Volume of the wood = 120.615 cm3

    Density of the wood = 0.457 g/cm3

    Explanation:

    By definition, density is the mass of a substance per unit volume and its units are kg/m3, g/l etc.

    Volume of a cuboid = length * breadth * height

    Length = 8.5 cm

    Breadth = 3.3 cm

    Height = 4.3 cm

    Volume of the wood = 8.5 * 3.3 * 4.3

    = 120.615 cm3

    Mass of the wood = 55.120 g

    Density = mass/volume

    = 55.120/120.615

    = 0.457 g/cm3

    = 457 kg/m3
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