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22 December, 18:58

A block of copper weighs 2160g and has a volume of 240cm3. what is the density of the copper?

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  1. 22 December, 20:22
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    The unit of density [kgm^-3] displays the formula.

    So density=mass/volume.

    Convert 2160g into kilograms [2160/1000=2.160kg]

    Convert volume of 240cm^3 into m^3

    100cm=1m

    100x100x100=1000000cm^3=1m^3

    240/1000000=[2.4x10^-4]

    Final calculation

    2.160/2.4x10^-4=9000

    Answer: 9000kgm^-3
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