2
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An audiometer is a machine that tests a person's hearing by prod...
Mathematics, 18.05.2021 16:30, 0465834wu1
2
Select the correct answer.
An audiometer is a machine that tests a person's hearing by producing tones across the speech spectrum. During a hearing test, an
audiometer produces a pure tone with a frequency of 2.000 hertz (cycles/second).
The given function represents the change in pressure, plt), in millipascals, relative to the normal air pressure in the room as a function of
time, t in seconds. after the pure tone is produced.
plt) = 2sin(4,000xt)
What is the change in air pressure when the pure tone is produced?
A
1 millipascals
B.
2 millipascals
c. O millipascals
D.
-2 millipascals
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