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There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The
There is evidence that elephants communicate via infrasound, generating rumbling vocalizations as low as 14 Hz that can travel up to 10 km. The intensity level of these sounds can reach 105 dB, measured a distance of 4.7 m from the source. Determine the intensity level of the infrasound 10 km from the source, assuming the sound energy radiates uniformly in all directions.
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Answer The intensity level LL in decibels is given by the formula L10log10II0L10log10I0I where ...
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Introduction To Management Science A Modeling And Cases Studies Approach With Spreadsheets
Authors: Frederick S. Hillier, Mark S. Hillier
5th Edition
978-0077825560, 78024064, 9780077498948, 007782556X, 77498941, 978-0078024061
