- #1

toothpaste666

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## Homework Statement

A 65-cm guitar string is fixed at both ends. In the frequency range between 1.0 and 2.0 kHz, the string is found to resonate only at frequencies 1.2, 1.5, and

1.8kHz .

What is the speed of traveling waves on this string?

## Homework Equations

f = v/2l

## The Attempt at a Solution

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Each one of these is a multiple of .3 so i think that is the fundamental frequency. Then I use f=v/2l or

v=2lf

v= 2 * .65 * .3

v = .39

but i did it wrong. can someone help please