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10 February, 11:27

An engineer weighs a sample of mercury (ρ = 13.6 * 103 kg/m3) and finds that the weight of the sample is 6.0 n. what is the sample's volume? the acceleration of gravity is 9.81 m/s 2. answer in units of m3.

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  1. 10 February, 11:43
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    Given:

    ρ = 13.6 x 10³ kg/m³, density of mercury

    W = 6.0 N, weight of the mercury sample

    g = 9.81 m/s², acceleration due to gravity.

    Let V = the volume of the sample.

    Then

    W = ρVg

    or

    V = W / (ρg)

    = (6.0 N) / [ (13.6 x 10³ kg/m³) * (9.81 m/s²) ]

    = 4.4972 x 10⁻⁵ m³

    Answer: The volume is 44.972 x 10⁻⁶ m³
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