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On a keyboard you strike middle C, whose frequency is 256Hz

a) What is the period of one vibration of this tone
b) As the sound leaves the instrument at a speed of 340M/s what is its wave lengths in air?

2007-02-25 10:17:05 · 1 answers · asked by Bayslappers 1 in Science & Mathematics Physics

1 answers

T=1/f=1/254=3.9E-3 seconds

fλ=v, λ=v/f=340 m/s * 3.9E-3 s = 1.33 m

2007-02-25 10:27:13 · answer #1 · answered by Rob M 4 · 0 0

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