Monday
December 22, 2014

Homework Help: Calculus

Posted by Stuck on Wednesday, June 16, 2010 at 10:58pm.

"At 9am ship A is 50 km east of ship B. Ship A is sailing north at 40km/h and ship B is sailing south at 30km/h. How fast is the distance between them changing at noon?"

I never know how to set questions like this up!

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