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8 June, 13:11

The hight A note on the piano has a wavelength of 0.0487 m what's the frequency?

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  1. 8 June, 14:30
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    A modern piano has 88 keys and is tuned to twelve-tone equal temperament. It has its 49th key, the fifth A, also called A4, tuned to a frequency of 440 Hz (referred to as A440).
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