two loudspeakers, a and b (the figure (figure 1)), are driven by the same amplifier and emit sinusoidal waves in phase. speaker b is 2.00 m to the right of speaker a. the frequency of the sound waves produced by the loudspeakers is 206 hz. consider point p between the speakers and along the line connecting them, a distance x to the right of speaker a. both speakers emit sound waves that travel directly from the speaker to point p.
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What are the two main ideas of this passage? museum experts feel that museums must change to attract visitors. museum experts care more about the number of visitors than about history. museums that display artworks and exhibits do not make families welcome. museums like colonial williamsburg make learning about the past fun. museums in the united states are different than in other countries.
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two loudspeakers, a and b (the figure (figure 1)), are driven by the same amplifier and emit sinusoi...
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