22. (14 points) The frequency of a tuning fork is 110 a) The tuning fork is stru

Question

22. (14 points) The frequency of a tuning fork is 110 a) The tuning fork is struck in close promimaty to another tuning fork with the same frequency. Desceribe what will happen to the other tuning fork(the one that was not struck). Justify your answer in a single compelte sentence i) Describe what will happen to the other tuning fork/the one that was not struck). Justify your answer in a single compelte sentence. i) Poe Dameron takes both tuning forks into deep space and again strikes one tuning fork. How will your answer to i) change as a result of being in the vacuum of space? Justify your answer in a single compelte sentence e tuning fork is used to tune a guitar string. When the tuning fork and guitar string are both activiated, s ts per second are heard. If the guitar vibrates at its fundamental frequency and the speed of sound on the guitar string is 180 m/s, what are the two possible lengths of the guitar string? Show your work c) If the guitar's pitch is found to be too low, should the string be tighened or loosen? Justify your answer in a single complete sentence.

Explanation / Answer

a)

i) the other tuning fork would also start vibrating

ii) the other fork would not be effected as there is no medium to carry the disturbance

b) number of beats produced are 8

so the two possible frequencies are

f1 +f0+8 =118

f2 =f0_8 =102

we hve f =v/2l

l1 = v/2f1 = 0.76m = 76cm

l2 = v/2f2 = 0.88m = 88cm

c) the string should be tightened to increase the tension and hence the frequency

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