Can someone help me with this. Because I am sure I hace to get numbers around 10

Question

Can someone help me with this. Because I am sure I hace to get numbers around 100s but I am getting values below 50.

THE ONE ON THE LEFT

The longest pipe on a certain organ is 4.48 m. (a) What is the fundamental frequency (at 0.00oC) if the pipe is closed at one end? Hz (b) What is the fundamental frequency (at 0.00 C) if the pipe is open at each end? Hz (c) What will be the frequencies at 20.0 C? pipe frequency (Hz) closed open Need Help? Read It 3.94/4 points I Previous Answers SerPSE9 18. P. 056 WI. The longest pipe on a certain organ is 4.08 m. (a) What is the frequency fs (at 0.00 C) if the pipe is closed at one end? 101 The correct answer is not zero. Hz (b) What is the frequency (at 0.00oC) if the pipe is open at each end 203 The correct answer is not zero. Hz (c) What will be the frequencies at 20.0 C? pipe frequency (Hz) 105 closed The correct answer is not zero. X 210 open The correct answer is not zero.

Explanation / Answer

Length L = 4.48 m

Speed of sound at 0 o C is v = 331.3 m/s

(a). Fundamental frequency f = v/4L

= 331.3 /4(4.48)

= 18.487 Hz

(b). Fundamental frequency f ' = v/2L

= 331.3 /2(4.48)

= 36.975 Hz

(c).

Speed of sound at 20 o C is v = 343.21 m/s

(a). Fundamental frequency f = v/4L

= 343.21 /4(4.48)

= 19.152 Hz

(b). Fundamental frequency f ' = v/2L

= 343.21 /2(4.48)

= 38.3 Hz

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