Question: [ - / 6 . 2 5 Points ] How much work is done when a hoist lifts a 2 4 0 - k g

[-/6.25 Points]
How much work is done when a hoist lifts a 240-kg rock to a height of 9 m ?(Use 9.8ms2 for the acceleration due to gravity.)
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[ - / 6 . 2 5 Points ] How much work is done when

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