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A storm warning siren emits sound
uniformly in all directions. Along a line
that is drawn radially outward from the
sound source (the siren) determine the
positions of two points, 0.57 m apart,
such that the intensity level at one
point is 1.12 dB greater than the
intensity level at the other.
point closer to siren
point farther from siren
3
m

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