A very loud train whistle has an acoustic power output of 100 W.If the sound energy spreads out spherically,what is the intensity level in dB at a distance of 89.0 meters from the train? (I₀ = 10−¹² W/m²) A)20.7 dB B)70.0 dB C)90.0 dB D)95.0 dB E)207 dB

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The Answer of A very loud train whistle has an acoustic power output of 100 W.If the sound energy spreads out spherically,what is the intensity level in dB at a distance of 89.0 meters from the train? (I₀ = 10−¹² W/m²) A)20.7 dB B)70.0 dB C)90.0 dB D)95.0 dB E)207 dB

A Very Loud Train Whistle Has an Acoustic Power Output