The noise from an airplane engine 100 ft from an observer is found to have an intensity of 45dB. What will be the intensity when the plane flies overhead at an altitude of 1 mi? A. 10.5 dB B. 34.5 dB C. 35 dB D. 20.5 dB

The noise from an airplane engine 100 ft from an observer is found to have an intensity of
45dB. What will be the intensity when the plane flies overhead at an altitude of 1 mi?
A. 10.5 dB
B. 34.5 dB
C. 35 dB
D. 20.5 dB
by

1 Answer

Answer :

A. 10.5 dB
by

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