What is the frequency heard by a person driving directly toward a factory whistle (f = 800Hz) if the air temperature is 0oC?
Answer to relevant QuestionsThe wave speed in a liquid is given by v = √B/p, where B is the bulk modulus of the liquid and is its density. Show that this equation is dimensionally correct. What about v = √Y/pfor a solid? (Y is Young’s modulus.) You are driving east at 25.0 m/s as you notice an ambulance traveling west toward you at 35.0 m/s. The sound you detect from the sirens has a frequency of 300 Hz. (a) Is the true frequency of the sirens (1) greater than 300 ...A bystander hears a siren vary in frequency from 476 Hz to 404 Hz as a fire truck approaches, passes by, and moves away on a straight street (Fig. 14.21). What is the speed of the truck? (Take the speed of sound in air to be ...An open organ pipe is 0.50 m long. If the speed of sound is 340 m/s, what are the pipe’s fundamental frequency and the frequencies of the first two overtones? You hear sound from two organ pipes that are equidistant from you. Pipe A is open at one end and closed at the other, while pipe B is open at both ends. When both are oscillating in their first-overtone mode, you hear a beat ...
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