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Supersonic warriors 2 split paths3/31/2024 Unlike ordinary sound waves, the speed of a shock wave varies with its amplitude. When a shock wave reaches an observer a "sonic boom" is heard. The edge of the cone forms a supersonic wave front with an unusually large amplitude called a "shock wave". When the speed of a source exceeds the speed of sound ( v > c) the wave fronts lag behind the source in a cone-shaped region with the source at the vertex. Pilots at the time mistakenly thought that these effects meant that supersonic flight was impossible that somehow airplanes would never travel faster than the speed of sound. Fighter pilots engaged in high speed dives noticed several irregularities as flying speeds approached the speed of sound: aerodynamic drag increased markedly, much more than normally associated with increased speed, while lift and maneuverability decreased in a similarly unusual manner. The term "sound barrier" or "sonic barrier" first came into use during World War Two. The resulting pile of waves forms a large amplitude "sound barrier" that makes sustained flight at this speed difficult and risky. ![]() When the speed of a source equals the speed of sound ( v = c) the wave fronts cannot escape the source.
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