A pedestrian standing level crossing hears an approaching train sound its horn. State what the pedestrian would observe happening to the pitch of the sound as the train approaches and passes at high speed. The fast train travels at 1/3 the speed of sound the train travels directly away from the path train he hears a frequency of 140 Hz as the train sounds its horn, find the actual frequency of the sound emitted by the trains’horn. take the speed of sound to the 340 mz. Part three While at train station, two train Sound their horn at the same time, both trains are stationary. One train emits sound of frequency412hz, while the other train emits sound of frequency418 a. What are beats and how are they produced. b. State what would be heard by the surrounding pedestrian. C. Quote a numerical value for the beat frequency
