Question: A chain 6 9 meters long whose mass is 2 7 kilograms is hanging over the edge of a tall building and does not

\A chain 69 meters long whose mass is 27 kilograms is hanging over the edge of a tall building and does not touch the ground. How much work is required to lift the top 11 meters of the chain to the top of the building? Use that the acceleration due to gravity is 9.8 meters per second squared. Your answer must include the correct units.

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