Question: 8 . ( 1 0 pts . ) The total absorbing power of the surfaces of a room is 5 metric sabins. When a carpet

8.(10 pts.) The total absorbing power of the surfaces of a room is 5 metric sabins. When a carpet of area \(2\mathrm{~m}^{2}\) is hung on one wall of the room, the original reverberation time of 5 s drops to 4 s . What is the random-incidence absorption coefficient of the carpet?
8 . ( 1 0 pts . ) The total absorbing power of

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