*73.|A portable radio is sitting at the edge of a balcony 5.1 m abovethe ground. The unit is emitting sound uniformly in all directions. Byaccident, it falls from rest off the balcony and continues to play on theway down. A gardener is working in a flower bed directly below thefalling unit. From the instant the unit begins to fall, how much time isrequired for the sound intensity level heard by the gardener to increaseby 10.0 dB?

Given data: The distance is r1=5.1 m. The difference in the sound level intensity is ∆β=10 dB.…

Answered: *73. |A portable radio is sitting at…

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