Concept explainers
Why is it that a subsonic aircraft, no matter how loud it may be, cannot produce a sonic boom?
A subsonic aircraft cannot produce a sonic boom, no matter, louder it is. Explain.
Answer to Problem 53A
A subsonic aircraft cannot cross the sound barrier to produce the bow waves.
Explanation of Solution
Introduction:Bow waves are produced when the source object travels with the speed of sound or more.
A subsonic aircraft travels with a speed lesser than sound but compared to it. Now, even if it produces loud sound, it cannot cross the sound barrier, because of lesser speed. It will not be able to produce an overlapping pattern in bow waves. Since, no overlapping waves, thus there will not be any pressure leaving behind. Thus, until it will create a pressurized bow wave, it will not be able to produce a sonic boom.
Conclusion: Thus, a subsonic aircraft will not be able to produce bow waves and pressure to create overlapping waves when moving with the lesser speed than the speed of sound. So, it won’t be able to produce a sonic boom.
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