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November 28, 2014

Homework Help: calculus

Posted by nesri on Tuesday, October 5, 2010 at 8:06am.

A shark, looking for dinner, is swimming parallel to a straight beach and is 90 meters offshore. The shark is swimming at a constant speed of 30 meter per second. At time t = 0, the shark is directly opposite a lifeguard station. How fast is the shark moving away from the lifeguard station when the distance between them is 150 meters?

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