Answer:
The correct answer is D
shock waves
Explanation:
When a body approaches the speed of sound in the media, the waves it emits are getting closer and closer to each other, the envelope (sum) results in a kind of cylindrical cone that is similar to that formed in a supersonic process
The correct answer is D
When the speed of sound is exceeded, the body goes faster than the wave, so the so-called shock waves are formed.
They carry a lot of energy