Asked by alex
When a guitar string is sounded against a 440Hz note, 12 beats are heard in 2.0s.
a) what are the possible frequencies of the string?
b) when the same string is sounded against a 435Hz note, 33 beats are heard in 3.0s. What is the frequency of the string?
I honestly am very lost, I don't know how to solve these questions. Your help would be appreciated, thank you!
a) what are the possible frequencies of the string?
b) when the same string is sounded against a 435Hz note, 33 beats are heard in 3.0s. What is the frequency of the string?
I honestly am very lost, I don't know how to solve these questions. Your help would be appreciated, thank you!
Answers
Answered by
Scott
the "beats" are the frequency differences
a) 440 Hz ± (12/2) Hz
b) 435 Hz ± (33/3) Hz
which frequency is in both possibilities?
a) 440 Hz ± (12/2) Hz
b) 435 Hz ± (33/3) Hz
which frequency is in both possibilities?
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