Question: 9.[5] A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the

9.[5] A boat is pulled into a dock by a rope

9.[5] A boat is pulled into a dock by a rope attached to the bow of the boat and passing through a pulley on the dock that is 4 feet higher than the bow of the boat. If the rope is pulled in at a rate of 5 feet per second, how fast is the boat approaching the dock when it is 3 feet from the dock

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