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The source of a sound wave has a power of 8.29 ?W. If it is a...

The source of a sound wave has a power of 8.29 ?W. If it is a point source, (a) what is the intensity and (b) the sound level at a 3.99 m distance?

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The intensity (power/area) 8.29 uW/area of3.99-m radius sphere Intensity 1 HW 4pi*3.992) W/m2 I=4.1459x 10-os W/m2 The dB sound level = 1 0 *log-base-10(4.14 59 x 1 0-08/1 x 1 0-12 W/m^2) The dB sound level- 10 log-base-10(4.1459x 10-0/1x 10-12 W/mA2). The dB sound level-4.617 db

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