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At a distance of 5 m away from a loud machine, the sound level measures 85.62 dB. What is the sound level at 15 m
At a distance of 5 m away from a loud machine, the sound level measures 85.62 dB. What is the sound level at 15 m from the machine? Assume that the sound comes out of the machine equally in every direction. Enter your answer in dB rounded to two decimal places
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Fundamentals of Physics
Authors: Jearl Walker, Halliday Resnick
10th Extended edition
978-1118230718, 111823071X, 978-1118230725
