Physics, 19.07.2019 14:30, alliemeade1
Four beats per second are heard when an unknown tuning fork and a 240 hz tuning fork are struck simultaneously. this same unknown tuning fork and a 250 hz tuning fork are struck. six beats are heard. its exact frequency: is 256 hz is 236 hz is 244 hz cannot be determined
Answers: 1
is the beat frequency, and 
are the frequencies of the two forks.
and 
, with 
being the frequency of the unknown fork. In the second part of the problem, 
and 
. So we have the following system of two equations:
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Four beats per second are heard when an unknown tuning fork and a 240 hz tuning fork are struck simu...
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