A vertical hollow tube is connected to a speaker, which vibrates vertically with simple harmonic motion (FIGURE
Question:
A vertical hollow tube is connected to a speaker, which vibrates vertically with simple harmonic motion (FIGURE 13-45). The speaker operates with constant amplitude, A, but variable frequency, Æ’. A slender pencil is placed inside the tube.
(a) At low frequencies the pencil stays in contact with the speaker at all times; at higher frequencies the pencil begins to rattle. Explain the reason for this behavior.
(b) Find an expression for the frequency at which rattling begins.
Step by Step Answer:
Picture the Problem A pencil sits in a hollow cylinder attached to a speaker As the frequency of o...View the full answer
Related Video
simple harmonic motion, in physics, repetitive movement back and forth through an equilibrium, or central, position, so that the maximum displacement on one side of this position is equal to the maximum displacement on the other side. The time interval of each complete vibration is the same
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