Coughing forces the trachea (windpipe) to contract, which affects the velocity of the air passing through the
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Coughing forces the trachea (windpipe) to contract, which affects the velocity of the air passing through the trachea. The velocity of the air during coughing is
where is a constant, is the normal radius of the trachea, and r is the radius during coughing. What radius will produce the maximum air velocity?
Transcribed Image Text:
v = k(Rr)r², 0≤r < R
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