Question part points submissions used two cars start moving from the same point. one travels south at 32 mi/h and the other travels west at 24 mi/h. at what rate is the distance between the cars increasing three hours later? mi/h

Since the cars start at the same point and are going in directions at right angles to each other, the speed at which the distance between them is increasing is a constant that can be computed as the Pythagorean sum:

... d = √(32² + 24²) = 40 . . . . mi/h

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