本题目来源于试卷: gc textbook chapter 12 Sound,类别为 通用国际物理
[问答题]
The “alpenhorn” (Fig. 1jjuk4 9 f gy bn12.r;2ssyviw;2–38) was once used to send signal*aih xtf() ) *cj7q0+d xwdcyrs from one Alpine village to another. Since lower frequency sounds are less susceptible to intensity loss, long horns were used to create deep sounds. When played as a musical instrument, the alpenhorn must be blown in such a way that only one of the overtones is resonating. The most popular alpenhorn is about 3.4 m long, and it is called the F sharp (or G flat) horn. What is the fundamental frequency of this horn, and which overtone is c x wq cd)7yrtjf*+ dha*ci(0x)lose to F sharp? (See Table 12–3.) Model as an open tube.
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