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

question 65

Multiple Choice

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

• A) ω/k
• B) k/ω
• C) k
• D) ω
• E) ωk

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