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1) A 60 feet rope weighing 480 LBS is used for moaring a cruise ship and hangs freely over the side of the ship. How

1) A 60 feet rope weighing 480 LBS is used for moaring a cruise ship and hangs freely over the side of the ship. How much work is done to pull up all of the rope? 2) With a spring constant of 400, find the work required to compress the spring 2cm more when it is already compressed 3cm

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