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(Solved): ( 5 points) A cable that weighs 1.3 pounds per foot is used to lift 840 pounds of coal up a mineshaf ...
( 5 points) A cable that weighs 1.3 pounds per foot is used to lift 840 pounds of coal up a mineshaft that is 766 feet deep. Find how much work was done. Your answer must include the correct units. (You may enter lbf or lb*ft for