The sound loudness 5.0 m from a point source is 95 dB. At what distance will it be 75 dB? Hint: Break the intensity of the 95 dB sound out of log jail and solve for the power P. Or subtract the two loudness and use the identity for a difference of logarithms. O 75 m O 50 m O 225 m 25 m

The sound loudness 5.0 m from a point source is 95 dB. At what distance will it be 75 dB? Hint: Break the intensity of the 95 dB sound out of log jail and solve for the power P. Or subtract the two loudness and use the identity for a difference of logarithms. O 75 m O 50 m O 225 m 25 m

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter17: Sound

Section: Chapter Questions

Problem 72P: Loudspeakers can produce intense sounds with surprisingly small energy input in spite of their low...

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Concept explainers

Interference of sound

Seiche

A seiche is an oscillating standing wave in a body of water. The term seiche pronounced saysh) can be understood by the sloshing of water back and forth in a swimming pool. The same phenomenon happens on a much larger scale in vast bodies of water including bays and lakes. A seizure can happen in any enclosed or semi-enclosed body of water.

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The sound loudness 5.0 m from a point source is 95 dB. At what distance will it be 75 dB?
Hint: Break the intensity of the 95 dB sound out of log jail and solve for the power P. Or subtract the two loudness and use the identity for a difference of logarithms.
O 75 m
O 50 m
225 m
O 25 m
O o o

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