Sound is a compression wave. In air at 1 atm of pressure and 20 degree C, sound

Question

Sound is a compression wave. In air at 1 atm of pressure and 20 degree C, sound travels at 343 m/s. (a) A "sonic boom" shock wave forms behind a jet travelling faster than the speed of sound in the surrounding air. Is a sonic boom a sound wave? Justify your answer with physics. (b) Water vapor can condense in the high compression region of the shock wave behind a jet travelling faster than sound in air. Estimate the speed at which this F/A - 18 Hornet jet is flying. Give your answer as a Mach number.

Explanation / Answer

Yes,a sonic boom is a sound wave.A sonic boom is a loud sound.It is like an explosion. When an object travels through the air faster than the speed of sound shock waves known as sonic boom is created.

The speed of F/A -18 Hornet jet should have speed greater than Mach 1.

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