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Solved: Highway patrol A highway patrol plane flies 3 mi
Chapter 3, Problem 42E(choose chapter or problem)
Highway patrol A highway patrol plane flies 3 mi above a level, straight road at a steady 120 mi/h. The pilot sees an oncoming car and with radar determines that at the instant the line-of-sight distance from plane to car is 5 mi, the line-of-sight distance is decreasing at the rate of 160 mi/h. Find the car’s speed along the highway.
Questions & Answers
QUESTION:
Highway patrol A highway patrol plane flies 3 mi above a level, straight road at a steady 120 mi/h. The pilot sees an oncoming car and with radar determines that at the instant the line-of-sight distance from plane to car is 5 mi, the line-of-sight distance is decreasing at the rate of 160 mi/h. Find the car’s speed along the highway.
ANSWER:Solution Step 1 of 4 In this problem, we have to determine the speed of the car along the highway. Given data : Height of the plane flight h = 3mi Distance between plane and car m = 5mi dm = 160 mi/h dt