A tuning fork of unknown frequency is sounded with a 512Hz tuning fork. You hear 20 beats in 4.0s
a) What are the possible frequencies of the tuning fork?
b) A small elastic is placed on the tines of 512Hz tuning fork changing the frequency slightly. Now 16 beats are detected in 4.0s. What is the frequency of the unknown tuning fork and the new frequency of the weighted 512Hz tuning fork? Explain the reasoning.
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I believe this was meant to be
x+ 4 = 507
x = 507 - 4 = 503
The possible new frequencies of the tuning fork with elastic are 503 Hz and 511 Hz.
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