Multiple Choice
Two loudspeakers S1 and S2, 3.0 m apart, emit the same single-frequency tone in phase at the speakers. A listener directly in front of speaker S1 notices that the intensity is a minimum when she is 4.0 m from that speaker (see figure) . The listener now walks around speaker S1 in an arc of a circle, staying 4.0 m from that speaker but increasing her distance from the other speaker. How far is she from speaker S2 when she notices the first maximum in the sound intensity? The speed of sound in air is 340 m/s.
A) 4.5 m
B) 5.0 m
C) 5.5 m
D) 6.0 m
E) 6.5 m
Correct Answer:

Verified
Correct Answer:
Verified
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