The decibel level of the noise from a jet aircraft is 130, Physics

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The decibel level of the noise from a jet aircraft is 130

Please answer both parts A and B.

A) The decibel level of the noise from a jet aircraft is 130 dB when measured 16.8 m from the aircraft. How much sound power does the jet aircraft emit? Answer in units of W.

B) How much sound power would strike the eardrum of an airport worker 16.8 m from the aircraft? Assume the diameter of the worker’s eardrum is 1.7 × 10?2 m. Answer in units of W.

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