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Nobody? Not even a "no your wrong" or "yes that's right"?

Homework Statement A chain hangs verticaly from a building. The chain is 30 ft long and is 5 lb/ft3, how much work is needed ot lift the bottom of the chain to the top.Homework Equations If you put the axis where the chain is hanging your limits would be 0 and -30The Attempt at a Solution So I...