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December 20, 2014

Homework Help: physics

Posted by help:( on Sunday, May 17, 2009 at 4:59pm.

When a guitar string is sounded along with a 440Hz tuning fork, a beat frequency of 5Hz is heard. When the same string is sounded along with a 43Hz tuning fork, the beat frequency is 9Hz. What is the frequency of the string??.. The first thing i thought of doing was putting both sets of values in the fb=abs.f2-f1 formula, but thing is, i don't know what to do when once i have acquired 2 different values for the frequency of the string?

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