A Harmonic Longitudinal Wave Propagating Down a Tube Filled with a Compressible

question 13

Multiple Choice

A harmonic longitudinal wave propagating down a tube filled with a compressible gas has the form s(x, t) = sm cos (kx - $\omega$ t) . Its velocity can be obtained from:

• A)( \( \omega \)/k)
• B)k/ \( \omega \)
• C)k
• D)( \( \omega \))
• E)( \( \omega \)k)

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