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    Work Done by Forces

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    A 500-kg helicopter ascends from the ground with an acceleration of 2.00m/s^2. Over a 5.00 seconds interval, what is (a) the work done by lifting force, (b) the work done by the gravitational force, and (c) the new work done on the helicopter?

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    Solution Preview

    First we need to calculate the height the helicopter ascends, say H(m). Then we use the Newton's ...

    Solution Summary

    This solution determines the work done by the lifting force, gravitational force, and the new work done on the helicopter.