An air ambulance jet is moving west to east.
On which side (nose or tail) of the aircraft are the waves compressed, and why are the waves only compressed on one side?

Question

An air ambulance jet is moving west to east.
On which side (nose or tail) of the aircraft  are the waves compressed, and why are the waves only compressed on one side?

anonymous · Answer

http://www.physicsclassroom.com/class/sound/Lesson-3/The-Doppler-Effect-and-Shock-Waves