A Plane Flying Horizontally at an Altitude of 1 Mi $520$

question 119

Multiple Choice

A plane flying horizontally at an altitude of 1 mi and a speed of $520$ mi/h passes directly over a radar station. Find the rate at which the distance from the plane to the station is increasing when it is 2 mi away from the station.

• A) \( \approx 455 ~\mathrm{mi} / \mathrm{h}\)
• B) \(\approx 570~ \mathrm{mi} / \mathrm{h}\)
• C) \(\approx 495~ \mathrm{mi} / \mathrm{h}\)
• D) \(\approx 670~ \mathrm{mi} / \mathrm{h}\)
• E) \(\approx 450~ \mathrm{mi} / \mathrm{h}\)

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