Question
When two tuning forks of $132 \mathrm{Hz}$ and $137 \mathrm{Hz}$, respectively, are sounded simultaneously, how many beats per second are heard?
Step 1
We can do this by subtracting the lower frequency from the higher frequency: $137 \mathrm{Hz} - 132 \mathrm{Hz} = 5 \mathrm{Hz}$ This means that there is a difference of $5 \mathrm{Hz}$ between the two tuning forks. Show more…
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