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13 August, 16:09

An object weighing 90 N has a volume of 45 mL and a mass of 0.9 g. what is its density?

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  1. 13 August, 18:50
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    The density of object is 0.02 g/mL.

    Explanation:

    Density:

    Density is equal to the mass of substance divided by its volume.

    Units:

    SI unit of density is Kg/m3.

    Other units are given below,

    g/cm3, g/mL, kg/L

    Formula:

    D=m/v

    D = density

    m=mass

    V=volume

    Symbol:

    The symbol used for density is called rho. It is represented by ρ. However letter D can also be used to represent the density.

    Given dа ta:

    mass of object = 0.9 g

    Volume of object = 45 mL

    density = ?

    Solution:

    d = m/v

    d = 0.9 g / 45 mL

    d = 0.02 g/mL.
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