The next two questions pertain to the situation described below. Three speakers are lined up on the wall of a room, spac

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The Next Two Questions Pertain To The Situation Described Below Three Speakers Are Lined Up On The Wall Of A Room Spac 1 (127.35 KiB) Viewed 18 times

The next two questions pertain to the situation described below. Three speakers are lined up on the wall of a room, spaced by 0.5 m, and heard by a listener who is located 10 m away from the central speaker, as shown in the diagram. The speakers are all driven in phase, at 300 Hz. Assume the velocity of sound is 340 m/s. speakers 0.5 m 10 m listener 1) The speakers are controlled separately, but they each individually produce the same intensity at the listener. The sound intensity at the listener is 16 W/m2 when only the two outer speakers are on What is the approximate maximum intensity at the listener when all three speakers are on? a. 24 W/m2 b. 36 W/m2 c. 48 W/m2 2) With all three speakers on, about how far up (i.c., in the direction of the arrow) would the listener have to walk so that she hears nothing? a. 0.57 m b. 2.3 m c. 11.5 m d. There is no location where this occurs. e. It cannot be determined from the information given.