February 20, 2017

Homework Help: calculus

Posted by sam on Wednesday, September 29, 2010 at 2:48pm.

A boat is pulled into a dock by a string attached to the bow of the boat and passing through a pulley on the dock that is1ft higher than the bow of the boat. If the string is pulled at a rate of 3 ft/second, how fast is the boat approaching the dock when it is 7 ft from the dock?

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