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October 21, 2014

Homework Help: math

Posted by sophie on Sunday, May 22, 2011 at 12:16am.

illuminated by the rays of the setting Sun, Kelly rides along on a merry-go-round casting a shadow on a wall. The merry-go-round is turning 36 deg per sec. Kelly is 25 ft from its center, and the Sun's rays are perpendicular to the wall.

At what rate is the shadow moving when it is 15 ft from the point on the wall that is closest to the merry-go-round?

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