Physics
Physics, 15.04.2021 07:30, bryan519688

The lowest note on a piano is 27.5 Hz. To fit inside the piano,
the string for the low note can't be
longer than 1.20 m. If it takes the
full length, what is the speed of
the wave in the string?
(Unit = m/s)

answer
Answers: 2

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The lowest note on a piano is 27.5 Hz. To fit inside the piano,
the string for the low note c...

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