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Suppose that a cruise missile under test is moving horizontally at M = 2, in the atmosphere at an elevation of 305 m above the earth's surface. How long does it take for an observer on the ground to hear the disturbance from the instant when it is directly overhead? ASsume standard atmosphere %3D (15 "C). Ans. 1= 0.777 sec.

Suppose that a cruise missile under test is moving horizontally at M = 2, in the atmosphere at an elevation of 305 m above the earth's surface. How long does it take for an observer on the ground to hear the disturbance from the instant when it is directly overhead? ASsume standard atmosphere %3D (15 "C). Ans. 1= 0.777 sec.

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Chapter Two Fundamental Aspects of Compressible Flow Dr. Tahseen Ahmad Tahseen Question One Suppose that a cruise missile under test is moving horizontally at M = 2, in the atmosphere at an elevation of 305 m above the earth's surface. How long does it take for an observer on the ground to hear the disturbance from the instant when it is directly overhead? Assume standard atmosphere (15 "C). Ans. t= 0.777 sec.
Transcribed Image Text:Chapter Two Fundamental Aspects of Compressible Flow Dr. Tahseen Ahmad Tahseen Question One Suppose that a cruise missile under test is moving horizontally at M = 2, in the atmosphere at an elevation of 305 m above the earth's surface. How long does it take for an observer on the ground to hear the disturbance from the instant when it is directly overhead? Assume standard atmosphere (15 "C). Ans. t= 0.777 sec.
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