Two speakers are emitting coherent sound waves at a frequency of 440 Hz. If the speed of sound is 343 m/s, and it is observed that no sound is heard a distance of 17.2 m from one speaker, which of the following is a possible distance to the second speaker?
A. 14.6 m
B. 17.2 m
C. 19.6 m
D. 18.8 m
E. 16.5 m
F. 18.0 m
A. 14.6 m
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