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How much work is done (in ]) when a weight lifter lifts 110 kg from 1.5 m to 2.0 m above the ground? (Use 9.8 m/s- for g.) 539A variable force of 6X_2 pounds moves an object along a straight line when it is X feet from the origin. Calculate the work done (in f't-Ib) in moving the object from X = 1 ft to x = 11 ft. (Round your answer to two decimal places.} J m