Question 2: You are standing 2.5 m directly in front of one of the two loudspeakers shown in the figure. They are 3.0 m apart and both are playing a 687 Hz tone in phase. As you begin to walk directly away from the speaker, at what distance from the speaker do you hear the next minimum sound intensity? 3.0 m 2.5 m Walk Answers: 2.98 m
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