Posted by Candy on Saturday, March 10, 2012 at 1:45pm.
Two ships are leaving port at the same time. The first ship is sailing due east at 20 km/hr and the other due north at 15 km/hr. How fast are the ships moving away from each other 2.0 hr later?

Calculus  JIM, Monday, October 22, 2012 at 10:39am
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