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  3. s] from a distance of ra = 8.000 m, a trumpet play

s] From a distance of ra = 8.000 m, a trumpet player plays an A note,...

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Physics

s] From a distance of ra = 8.000 m, a trumpet player plays an Anote, f1 = 440.0 Hz, with a sound intensity level of β1 = 58.00 dB.A tuba plays in unison with the trumpet, but is slightly out oftune and has f2 = 437.00 Hz, and its sound intensity level is β2 =63.50 dB. a) Calculate I1 and I2, the intensities of eachinstrument separately. b) When they play in unison, how manydecibels does their combined sound create? c) What beat frequencyis heard? d) If the distance to the instruments is increased to rb= 24.00 m, what are the sound intensity levels (in dB) of thetrumpet by itself, the tuba by itself, and the combinedinstruments?

Answer & Explanation Solved by verified expert
3.6 Ratings (531 Votes)
a1 10 log I1 Io58 10 log I1 1e12105810 I1 1e12I1 63095e7 Wm2and2 10 log    See Answer
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