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July 30, 2015

Homework Help: Calculus

Posted by Heather on Friday, November 25, 2011 at 9:49pm.

Consider the illustration, which shows a rotating beam of light located 0.5 mile from a shoreline. The beam rotates at a rate of 4 revolutions per minute. How fast (in miles per minute) is the distance between the beam and the point where it strikes the shore changing at the instant when x = .25 miles?

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