Relative to the sound sent out by an ambulance headed away from an observer, the listener hears a sound of longer wavelength shorter frequency lower pitch all of the above All of the following affects the sound produced by a vibrating string: EXCEPT density tension length thickness When a guitar string is held at a fret, how is the sound it produces changed? The quality increases The pitch decreases The pitch increases The quality decreases

Relative to the sound sent out by an ambulance headed away from an observer, the listener hears a sound of longer wavelength shorter frequency lower pitch all of the above All of the following affects the sound produced by a vibrating string: EXCEPT density tension length thickness When a guitar string is held at a fret, how is the sound it produces changed? The quality increases The pitch decreases The pitch increases The quality decreases