Diego is standing 7.0 m North of a pair of adjacent speakers which are facing him. The speakers are coherently producing a frequency of 686 Hz. Diego’s friend, Shalanda, is going to move one of the speakers directly East. How far away from the sta- tionary speaker should Shaland move the other one such that the sound cancels out where Diego is standing? Find the mini- mum amount it should be moved. Hint: what is the condition for coherent waves to cancel?
Diego is standing 7.0 m North of a pair of adjacent speakers which are facing him. The speakers are coherently producing a frequency of 686 Hz. Diego’s friend, Shalanda, is going to move one of the speakers directly East. How far away from the sta- tionary speaker should Shaland move the other one such that the sound cancels out where Diego is standing? Find the mini- mum amount it should be moved. Hint: what is the condition for coherent waves to cancel?
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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Diego is standing 7.0 m North of a pair of adjacent speakers
which are facing him. The speakers are coherently producing a
frequency of 686 Hz. Diego’s friend, Shalanda, is going to move
one of the speakers directly East. How far away from the sta-
tionary speaker should Shaland move the other one such that
the sound cancels out where Diego is standing? Find the mini-
mum amount it should be moved. Hint: what is the condition
for coherent waves to cancel?
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