Consider the waves on a vibrating guitar string and the sound ...

[Brittanyd9008]

Consider the waves on a vibrating guitar string and the sound waves the guitar produces in the surrounding air. The string waves and the sound waves must have the same
 
  A) wavelength.
  B) velocity.
  C) frequency.
  D) amplitude.
  E) More than one of the above is true.

Question 2

A pipe that is 120 cm long resonates to produce sound of wavelengths 480 cm, 160 cm, and 96 cm but does not resonate at any wavelengths longer than these. This pipe is
 
  A) open at both ends.
  B) open at one end and closed at the other end.
  C) closed at both ends.
  D) We cannot tell because we do not know the frequency of the sound.

[BUTTHOL369]

Answer to Question 1

Answer: C

Answer to Question 2

Answer: B

[Brittanyd9008]

Excellent

[hollysheppard095]

Gracias!