The SR-71 Blackbird, which is 107 feet 5 inches long, is the world’s fastest airplane. It can fly at three times the speed of sound (Mach 3) at altitudes of 80,000f t. When it lands after a long flight it is too hot to be touched for about 30 minutes, and is 6.0 inches longer than at takeoff. How hot is the Blackbird when it lands, assuming its coefficient of linear expansion is 2.4 × 10−5K−1 and its temperature at takeoff is 23oC?
The SR-71 Blackbird, which is 107 feet 5 inches long, is the world’s fastest airplane. It can fly at three times the speed of sound (Mach 3) at altitudes of 80,000f t. When it lands after a long flight it is too hot to be touched for about 30 minutes, and is 6.0 inches longer than at takeoff. How hot is the Blackbird when it lands, assuming its coefficient of linear expansion is 2.4 × 10−5K−1 and its temperature at takeoff is 23oC?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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The SR-71 Blackbird, which is 107 feet 5 inches long, is the world’s fastest airplane. It can fly at three times the speed of sound (Mach 3) at altitudes of 80,000f t. When it lands after a long flight it is too hot to be touched for about 30 minutes, and is 6.0 inches longer than at takeoff. How hot is the Blackbird when it lands, assuming its coefficient of linear expansion is 2.4 × 10−5K−1 and its temperature at takeoff is 23oC?
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