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23 July, 23:18

a cylinder has a density of 3.75g/cm3. if it has a mass of 12.1 g and a diameter of 8.22 cm, what is its height?

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  1. 23 July, 23:34
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    Given that

    Cylinder density = 3.75 g / cm^3

    Mass of cylinder = 12.1 g

    Diameter = 8.22 cm

    Radius, r = diameter / 2 = 8.22 / 2 cm = 4.11 cm

    Now calculate the volume as follows:

    Volume = mass / density

    = 12.1 g / 3.75 g / cm^3

    = 3.23 cm^3

    Now with the use of volume of cylinder calculate the height as follows:

    Volume of cylinder = πr^2h

    3.23 cm^3 = 3.14 * (4.11 cm) ^2 * h

    h = 3.23 cm^3 / 3.14 * (4.11 cm) ^2

    =0.061 cm
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