Question: How much work is done lifting a 9 - m chain over the side of a building if the chain has mass density 3 k

How much work is done lifting a 9-m chain over the side of a building if the chain has mass density 3kgm. Assume g=9.8ms2.
The small segment of the chain of length y located ym from the top is lifted through a vertical distance y.
(Use decimal notation. Give your answer to one decimal place.)
How much work is done lifting a 9 - m chain over

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