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6 September, 08:24

a rock has a density of 15 g/cm3 and a mass of 50 g is dropped into a 100ml graduated cylinder containing 55 ml of water. to what height will the water rise in the cylinder

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  1. 6 September, 10:50
    0
    We know that, Density = Mass/Volume

    Therefore, Volume = Mass / Density = 50/15 = 3.33 ml

    Thus, volume occupied by rock = 3.33 ml

    Thus, total volume occupied in graduated cylinder = 55 ml + 3.33 = 58.33 ml

    ∴volume of graduated cylinder will rise by 3.33 cm3.
  2. 6 September, 11:27
    0
    Answer is: the height of cylinder is 58.33 ml.

    d (rock) = 15 g/cm³.

    m (rock) = 50 g.

    V (rock) = m (rock) : d (rock).

    V (rock) = 50 g : 15 g/cm³.

    V (rock) = 3.33 cm³ = 3.33 ml ...

    h (cylinder) = V (rock) + V (water).

    h (cylinder) = 3.33 cm³ + 55 cm³.

    h (cylinder) = 58.33 cm³.
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