18. Waves & Sound
Wave Interference
Problem 17b
Textbook Question
Textbook QuestionThe three identical loudspeakers in FIGURE P17.71 play a 170 Hz tone in a room where the speed of sound is 340 m/s . You are standing 4.0 m in front of the middle speaker. At this point, the amplitude of the wave from each speaker is a. b. How far must speaker 2 be moved to the left to produce a maximum amplitude at the point where you are standing?
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