A pipe is 0.90 m long and is open at one end but closed at the ...

[james0929]

A pipe is 0.90 m long and is open at one end but closed at the other end. If it resonates with a tone whose wavelength is 0.72 m, what is the wavelength of the next higher overtone in this pipe?
 
  A) 0.36 m
  B) 0.40 m
  C) 0.45 m
  D) 0.51 m
  E) 0.58 m

Question 2

A string, 0.28 m long and vibrating in its third harmonic, excites an open pipe that is 0.82 m long into its second overtone resonance. The speed of sound in air is 345 m/s. The speed of transverse waves on the string is closest to
 
  A) 120 m/s.
  B) 110 m/s.
  C) 100 m/s.
  D) 98 m/s.
  E) 91 m/s.

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Answer to Question 1

Answer: D

Answer to Question 2

Answer: A

[james0929]

Excellent

[tanna.moeller]

Gracias!