Hauling in a Sailboat

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Hauling in a Sailboat

• By Thuc and Myhanh

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Problem 20

• A rope is attached to the bow of a sailboat
  coming in for the evening. Assume that the rope
  is drawn in over a pulley 5 feet higher than the
  bow at the rate of 2 feet per second. How fast is
  the boat docking when the length of rope from bow
  to pulley is 13 feet?

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Analyzing

• Given

• Find

y 5ft
Primary equation
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Find the Derivative
Missing the value of x!!!!
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Find x value
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Find the Derivative cont.
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Final Answer!!!
The boat is docking at the rate of feet per
second when the length of rope from bow to pulley
is 13 feet.