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

question 11

Multiple Choice

A harmonic longitudinal wave propagating down a tube filled with a compressible gas has the form s(x, t) = smcos(kx − ωt) . Its velocity can be obtained from

• A)ω/k
• B)k/ω
• C)k
• D)ω
• E)ωk

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