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Two speakers create identical 240hz sound waves. a person is 1.47m from the speaker 1. What is the minimum distance to speaker 2 for there to be DESTRUCTIVE INTERFERENCE at that spot?

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Two speakers create identical 240hz sound waves. a person is 1.47m from the speaker 1.
What is the minimum distance to speaker 2 for there to be
DESTRUCTIVE
INTERFERENCE at that spot?
answered
User Liviu Boboia
by
7.7k points