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Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Chapter 17 of "Physics for Scientists and Engineers", 10th ed. by Serway and Jewett.
Two sound waves arrive at your ear simultaneously; they have slightly different frequencies: wi and
w2 and equal amplitudes. You hear the loudness oscillate sinusoidally; this is what we refer to as
"beats". Show that the total sound wave has the the form:
(1)
P(t) =
= Patm + 28P cos(w1 - w2)/2) cos((w1 +w2)/2).
This is how professan wants ht salui it
Rele
Cos(a) t8o5(3)
te
ila-8/2
Re (
e
Transcribed Image Text:Problems Chapter 17 of "Physics for Scientists and Engineers", 10th ed. by Serway and Jewett. Two sound waves arrive at your ear simultaneously; they have slightly different frequencies: wi and w2 and equal amplitudes. You hear the loudness oscillate sinusoidally; this is what we refer to as "beats". Show that the total sound wave has the the form: (1) P(t) = = Patm + 28P cos(w1 - w2)/2) cos((w1 +w2)/2). This is how professan wants ht salui it Rele Cos(a) t8o5(3) te ila-8/2 Re ( e
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