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In case 1, a source of sound approaches a stationary
Chapter 16, Problem 22DQ(choose chapter or problem)
In case 1, a source of sound approaches a stationary observer at speed u. In case 2, the observer moves toward the stationary source at the same speed u. If the source is always producing the same frequency sound, will the observer hear the same frequency in both cases, since the relative speed is the same each time? Why or why not?
Questions & Answers
QUESTION:
In case 1, a source of sound approaches a stationary observer at speed u. In case 2, the observer moves toward the stationary source at the same speed u. If the source is always producing the same frequency sound, will the observer hear the same frequency in both cases, since the relative speed is the same each time? Why or why not?
ANSWER:Solution 22DQ Case 1: Source approaches the stationary observer at speed u. Let the frequency of the source be v f . The apparent frequency in this case is f 1 = vu f ,