Asked by ashley --
Jack and Jill blow their whistles at the same time producing sound waves at frequencies of 400 Hz and 404 Hz respectively. How many beats per second are heard from the superposition of the two waves?
Choose one answer.
a. 400
b. 404
c. 4
d. 8
Choose one answer.
a. 400
b. 404
c. 4
d. 8
Answers
Answered by
Henry
Beats = 404 - 400 = 4.
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