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A cylindrical metal can with a radius of 4.25 cm is floating upright in water. A rock is placed in the can, causing it to sink 0.0234 m deeper into the water. What is the weight of the rock?

  • Physics -

    additional volume of water displaced = .0234 * pi * .0425^2 = 1.33*10^-4 m^3
    density of water = 1000 kg/m^3 approx
    mass of rock = 1.33*10^-1 Kg
    weight of rock = m g = 9.81*.133 = 1.3 Newtons

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