A railroad train is traveling at 25.0 m>s in still air. The frequency of the note emitted by the locomotive whistle is 400 Hz. What is the wavelength of the sound waves (a) in front of the locomotive and (b) behind the locomotive? What is the frequency of the sound heard by a stationary listener (c) in front of the locomotive and (d) behind the locomotive?
Chapter 1: What is Sound The Very First Steps 1. We use the word “sound: to describe at least two different things: a. Sensation of the auditory nerve of our ear. i. Means what we actually perceive. b. The wave. i. Traveling through the medium which somehow causes the sensation of hearing. 2. Acoustics is a science of sound. a. Acoustics is an interdisciplinary science which includes Physics, Engineering, Theory of Music, Psychology, Physiology, Architecture, and the study of sound we cannot hear: Ult