What is the distance between brittany and phillip

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A point source of sound that emits uniformly in all directions is located in the middle of a large, open field. The intensity at Brittany's location directly north of the source is one fourth that at Phillip's position due east of the source. What is the distance between Brittany and Phillip if Brittany is 11.0 m from the source?

Reference no: EM13502131

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