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10 March, 06:34

An aquarium 6 m long, 1 m wide, and 1 m deep is full of water. Find the work needed to pump half of the water out of the aquarium. (Use 9.8 m/s2 for g and the fact that the density of water is 1000 kg/m3.)

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  1. 10 March, 09:10
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    Explanation: w = mgh

    W = pressure * volume

    Pressure = density * gravity * height

    Pressure = 1000*9.8*6

    Pressure = 58860N/m^2

    Work = 58860*6

    Work = 353160j

    Work = 353.16kj
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