On a marimba (Fig. P18.75), the wooden bar thatsounds a tone when struck vibrates in a
Chapter 18, Problem 75(choose chapter or problem)
On a marimba (Fig. P18.75), the wooden bar thatsounds a tone when struck vibrates in a transversestanding wave having three antinodes and two nodes.The lowest-frequencynote is 87.0 Hz, produced by abar 40.0 cm long. (a) Find the speed of transversewaves on the bar. (b) A resonant pipe suspended verticallybelow the center of the bar enhances the loudnessof the emitted sound. If the pipe is open at the top endonly, what length of the pipe is required to resonatewith the bar in part (a)?
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