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Chrome File Edit View History Bookmarks People Window Help ) *t 4)) 59% E, Thu Dec 3 5:31 PM a E MInbox 2,743 nick Enrollment Shoppi x Class Schedule w x Physics 111 HW x e fi Dwww.webassign.net/web/Student/Assignment-Responses/last2dep=12776166 SF bay area repos x Your expert tut Nicholas Physics 111 -HVV4 × The Human Ear Can x or on X 12. + -1 points My Notes Ask Your Teacher The organ pipe in the figure below is 1.1 m long. It has a closed left end and an open right end Note: Displacement (not pressure) amplitude is represented schematically in the pipe (a) What is the frequency of the standing wave shown in the pipe? (b) What is the fundamental frequency of this pipe? Submit Answer Save Progress 13. + -13 points My Notes Ask Your Teacher The A string of a violin is a little too tightly stretched. Six beats per second are heard when the string is sounded together with a tuning fork that is oscillating accurately at concert A (440 Hz) at equal loudness a.) What are the frequency and period of the violin string's oscillation? ms b.) What is the observed musical note when these two notes play together? Hz pubmed_result.txt 010255965.pdf garsubelin a docume.. .pdf savedrecs (1).html savedrecs.html Show All | × PDE

Explanation / Answer

3lambda/4 = L

lambda = 4L/3

a)

f = v/lambda = 3v/4L = (3*343)/(4*1.1) = 233.8 Hz

b)

in fundamental mode

lambda/4 = L

lambda = 4L

fo = v/4L = 77.95 Hz

++++++++++++++++++++++

13)

a)

f2 - 440 = 6

f2 = 446 Hz

period = 1/f = 1/446 = 2.2 ms

b)

f = (f1+f2)/2 = (440+446)/2 = 443 Hz

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