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Rainbow [258]
3 years ago
14

Thirty beats are heard in one minute when two notes are played together. If the higher note has a frequency of 740 Hz, what is t

he frequency of the lower note
Physics
1 answer:
SashulF [63]3 years ago
6 0

Answer:

739.5 Hz

Explanation:

Frequency is the the number of wave oscillation that occur in a second. It is measured in Hertz (Hz).

In this question, the frequency of the note is the number of beats that occur in a second. Given that they are Thirty beats are heard in one minute, hence:

Frequency = 30 beat / 1 minute = 30 beats / 60 seconds = 0.5 beat per second = 0.5 Hz

Higher note - lower note = frequency

lower note = higher note - frequency

lower note = 740 Hz - 0.5 Hz

lower note = 739.5 Hz

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