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Two mechanical vibrators produce sound waves. Which pair of vibrators produce an audible 3 beats per second? A. 3 Hz and 6 Hz B. 199 Hz and 202 Hz C. 999 Hz and 1002 Hz D. 21000 kHz and 21 003 Hz

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 128P: An airplane moves at Mach 1.2 and produces a shock wave. (a) What is the speed of the plane in...

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This question has one/two/ three or all correct choice. Please choose wisely

Two mechanical vibrators produce sound waves. Which pair of vibrators produce an audible
3 beats per second?
A. 3 Hz and 6 Hz
B. 199 Hz and 202 Hz
C. 999 Hz and 1002 Hz
D. 21000 kHz and 21 003 Hz

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