Two straight roads intersect at right angles in Newtonville. Car A is on one road moving toward the intersection at a speed of 50 miles/h. Car B is on the other road moving away from the intersection at a speed of 30 miles/h. When car A is 2 miles from the intersection and car B is 4 miles from the intersection, how fast is the distance between the cars changing?

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The Answer of Two straight roads intersect at right angles in Newtonville. Car A is on one road moving toward the intersection at a speed of 50 miles/h. Car B is on the other road moving away from the intersection at a speed of 30 miles/h. When car A is 2 miles from the intersection and car B is 4 miles from the intersection, how fast is the distance between the cars changing?

Two Straight Roads Intersect at Right Angles in Newtonville