A Plane Flying Horizontally at an Altitude Of $1 \mathrm { mi }$

question 105

Multiple Choice

A plane flying horizontally at an altitude of $1 \mathrm { mi }$ and a speed of $550 \mathrm { mi } / \mathrm { h }$ 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.
Select the correct answer.

• A) \(\approx 476 \mathrm { mi } / \mathrm { h }\)
• B) \(\approx 670 \mathrm { mi } / \mathrm { h }\)
• C) \(\approx 455 \mathrm { mi } \mathrm { h }\)
• D) \(\approx 570 \mathrm { mi } / \mathrm { h }\)
• E) \(\approx 495 \mathrm { mi } / \mathrm { h }\)

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