At noon, Boat A departs a dock and travels due east at 15 mi/h

MATHEMATICS · Subjective · AP · Calculus AB · Contextual Applications of Differentiation · Contextual Applications of Differentiation

Problem

At noon, Boat A departs a dock and travels due east at 15 mi/h. At the same time, Boat B is 20 mi due south of the dock and moves due north at 25 mi/h. Calculate the rate at which the distance between the two boats is changing at 1:00 p.m. Include appropriate units.

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