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April 19, 2014

Homework Help: physical

Posted by itufizik on Monday, July 16, 2012 at 4:58pm.

Two identical half-open pipes each have a fundamental frequency of 450 Hz. What percentage change in the length of one of the pipes will cause a beat frequency of 13.0 Hz when they are sounded simultaneously? Assume the speed of sound in air is 342 m/s.

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