Two trumpet players are riding in separate convertibles which are moving in opposite directions at a speed of 30 m/s. They both strike a note with a frequency of 1024 Hz Calculate:
(A). The pitch heard coming from one vehicle by a listener of the other vehicle.
(B). The pitch heard coming from either vehicle by an observer stationed directly between both vehicles.
(C). The pitch heard by a listener in either vehicle if both vehicles turn around and move toward each other at the same speeds.