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12 October, 17:16

A hemispherical tank is filled with water and has a diameter of 10 feet. if water weighs 62.4 pounds per cubic foot, what is the total weight of the water in a full tank, to the nearest pound?

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  1. 12 October, 17:24
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    The volume of a sphere is

    volume = 4/3 * PI * radius^3

    radius = 5 feet

    volume = 4/3 * PI * 5^3

    sphere volume = 523.6 cubic feet

    hemisphere volume = 261.8 cubic feet

    Weight of the water = 261.8 * 62.4 = 16,336 pounds
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