Question:-
54. The flight mach number of an aircraft flying at an altitude where the temperature is -48°C is 0.7. The speed of the aircraft is (take l = 1.4, R = 287 J/kg-K)
Option (A)
100 m/s
Option (B)
140 m/s
Option(C)
210 m/s
Option(D)
250 m/s
Correct Option:
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question-answer-faq-2704