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8 August, 05:33

What is the density of cylindrical (coin) object if it has a mass of 0.69 kg, and a radius of 0.03 m, along with a thickness of 0.003 m?

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  1. 8 August, 05:38
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    Density = Mass / Volume

    Mass = 0.69kg

    Volume of cylinder (coin) = Area X Height

    Area of coin = (3.14) (0.03) ^2

    Height = Thickness = 0.003m

    Volume of coin = (0.0003) X (3.14) (0.03) ^2

    Density = (Mass of coin) / (Volume of coin)
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