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April 19, 2014

Homework Help: physics help pleaseee

Posted by kelsey on Sunday, November 16, 2008 at 10:44pm.

In the figure below, S is a small loudspeaker driven by an audio oscillator with a frequency that is varied from 1000 Hz to 2000 Hz, and D is a cylindrical pipe with two open ends and a length of 55.0 cm. The speed of sound in the air-filled pipe is 344 m/s.
(In the figure s is a little speaker next to the pipe D)

(a) At how many frequencies does the sound from the loudspeaker set up resonance in the pipe?
? frequencies
(b) What is the lowest frequency at which resonance occurs?
? Hz
(c) What is the second lowest frequency at which resonance occurs?
? Hz

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