A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I- k/d?. (a) If B is the decibel level at a distance d1, use this model and the equation B = 10 log Io (described in this section) to find the equation for the decibel level B, at a distance d, relative to B, and di B2 = (b) The intensity level at a rock concert is 125 dB at a distance 2.7 m from the speakers, Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = x dB

A law of physics states that the intensity of sound is inversely proportional to the square of the distance d from the source: I- k/d?. (a) If B is the decibel level at a distance d1, use this model and the equation B = 10 log Io (described in this section) to find the equation for the decibel level B, at a distance d, relative to B, and di B2 = (b) The intensity level at a rock concert is 125 dB at a distance 2.7 m from the speakers, Find the intensity level at a distance of 10 m. (Round your answer to the nearest whole number.) B2 = x dB

College Algebra

1st Edition

ISBN:9781938168383

Author:Jay Abramson

Publisher:Jay Abramson

Chapter6: Exponential And Logarithmic Functions

Section: Chapter Questions

Problem 28PT: The formula for measuring sound intensityin decibels D is defined by the equation D=10log(II0) where...

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