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Part 1
The intensity of a sound is given by II0100.1L​, where L is the loudness of the sound as measured in decibels and I0 is the minimum intensity detectable by the human ear.
​a) Find​ I, in terms of I0​, for the loudness of a small​ engine, which is decibels.
​b) Find​ I, in terms of I0​, for the loudness of a quiet​ sound, which is decibels.
​c) Compare your answers to parts​ (a) and​ (b).
​d) Find the rate of change​ dI/dL.
​e) Interpret the meaning of​ dI/dL

1 Answer

6 votes

Answer:

B

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User Martin Fahl
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