Question
A rock group is playing in a bar. Sound
emerging from the door spreads uniformly in
all directions. The intensity level of the music
is 86.9 dB at a distance of 3.15 m from the
door.
At what distance is the music just barely
audible to a person with a normal threshold
of hearing? Disregard absorption.
Answer in units of m
emerging from the door spreads uniformly in
all directions. The intensity level of the music
is 86.9 dB at a distance of 3.15 m from the
door.
At what distance is the music just barely
audible to a person with a normal threshold
of hearing? Disregard absorption.
Answer in units of m
Answers
mae
20939