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March 26, 2017

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A 10.0 m long conveyor belt, inclined at 30.0°, is used to transport bundles of newspapers from the mailroom up to the cargo bay to be loaded on to delivery trucks. Each newspaper has a mass of 1.0 kg, and there are 22 newspapers per bundle. Determine the power that the conveyor develops if it delivers 15 bundles per minute.

  • physics - ,

    22 kg /bundle

    work for one bundle = m g h = 22*9.8*5

    bundles/second = 15/60
    so seconds/bundle = 4

    power = energy/time = 22*9.8*5/4 Watts

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