If a Supersonic Plane Is Flying at Increasing Speed as the Temperature

question 2

Multiple Choice

If a supersonic plane is flying at increasing speed as the temperature decreases, what happens to the Mach number in this instance?

• A) It stays the same.
• B) It increases.
• C) It decreases.
• D) It can do any of the above.
• E) It can do either (a) or (b) but not (c).

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