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A speaker is located at the coordinate (0,0) and emits a sound of fre- quency f. A second speaker is located at the coordinate (0, L), and emits the same frequency. Starting at r = 0, we walk along the r axis in the positive direction. a) In terms of the frequency f, separation L, and speed of sound c, at what spot a do the sounds destructively interfere? b) (Extra Credit) In terms of f, L, and c, how many spots on the r axis destructively interfere? Note the function [n] rounds n down to the closest integer.

A speaker is located at the coordinate (0,0) and emits a sound of fre- quency f. A second speaker is located at the coordinate (0, L), and emits the same frequency. Starting at r = 0, we walk along the r axis in the positive direction. a) In terms of the frequency f, separation L, and speed of sound c, at what spot a do the sounds destructively interfere? b) (Extra Credit) In terms of f, L, and c, how many spots on the r axis destructively interfere? Note the function [n] rounds n down to the closest integer.

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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A speaker is located at the coordinate (0,0) and emits a sound of fre- quency f. A second speaker is located at the coordinate (0, L), and emits the same frequency. Starting at r = 0, we walk along the r axis in the positive direction. a) In terms of the frequency f, separation L, and speed of sound c, at what spot r do the sounds destructively interfere? b) (Extra Credit) In terms of f, L, and e, how many spots on the r axis destructively interfere? Note the function [n] rounds n down to the closest integer.
Transcribed Image Text:A speaker is located at the coordinate (0,0) and emits a sound of fre- quency f. A second speaker is located at the coordinate (0, L), and emits the same frequency. Starting at r = 0, we walk along the r axis in the positive direction. a) In terms of the frequency f, separation L, and speed of sound c, at what spot r do the sounds destructively interfere? b) (Extra Credit) In terms of f, L, and e, how many spots on the r axis destructively interfere? Note the function [n] rounds n down to the closest integer.
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