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Question

# The A string of a violin is a little too tightly stretched. Beats at 4.50 per second are heard when the string is sounded together with a tuning fork that is oscillating accurately at concert A (440 Hz). What is the period of the violin string oscillation?

Solution

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$\textbf{Given}$

The beats on the violin:

$f_b= 4.5 \ \text{Hz}$

The frequency of the fork:

$f_f= 440 \ \text{Hz}$

$\textbf{The Problem}$

The period at which the violin string is oscillating.

$\textbf{Solution}$

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