18 in supersonic flight at an altitude h At what smallest

Last updated: 6/7/2023

18 in supersonic flight at an altitude h At what smallest distance a along the horizontal from the observer on the ground is there a point from which the sound emitted by the airplane motors reaches to the observer earlier than sound emitted by plane when it is at point A that is directly above the observer u velocity of airplane v velocity of sound S A a B a 2 3 V 1 h h 1 a A h 0 C not possible for any real value of a