A boat is pulled into a dock by means of a rope attached to a pulley on the dock. The rope is attached to the front of the boat, which is 6 feet below the level of the pulley. (There is a diagram of this situation with problem 18 on p132 of the text.)
If the rope is pulled through the pulley at a rate of 18 ft/min, at what rate will the boat be approaching the dock when 90 ft of rope is out?

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where is the diagram

i know this problem

umm, Sin(6/90) X Rate? 1.991 feet/minute? Thats my best effort w/o a diagram.

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