What is the sound intensity level right in front of trumpet

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Reference no: EM13339242

When playing fortissimo (very loudly), a trumpet emits sound energy at a rate of 0.750 W out of a bell (opening) of diameter 13.2 cm.

(a) What is the sound intensity level right in front of the trumpet?

dB

(b) If the trumpet radiates sound waves uniformly in all directions, what is the sound intensity level at a distance of 10.0 m?

dB

Reference no: EM13339242

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