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## Homework Statement

Two identical strings with the same tension vibrate at 630 Hz.If the tension in one of the strings is increased by 2.20% what is the resulting beat frequency?

## Homework Equations

f

_{beat}=⎮f

_{2}-f

_{2}⎮

f=v/λ

f

_{1}=v/2L

v=√(Tension/μ)

μ=m/L

## The Attempt at a Solution

I don't know where to start because with every equation i want to start off using there is something missing.