A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them.
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Question:
A loudspeaker is placed between two observers who are 110 m apart, along the line connecting them. If observer 1 records a sound level of 20 dB, what is the sound level observer 2 records? Observer 2 is 10 m from the speaker. State your answer to the nearest dB.
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