(II) A jet plane emits 5.0 X 105J of sound energy
Chapter , Problem 32(choose chapter or problem)
(II) A jet plane emits 5.0 X 105J of sound energy persecond, (a) What is the sound level 25 m away? Air absorbssound at a rate of about 7.0dB/km; calculate what thesound level will be (b) 1.00 km and (c) 7.50 km away from thisjet plane, taking into account air absorption.
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