A person coughs when a foreign object is in the windpipe. The velocity of the cough depends on the size of the object. Suppose a person has a windpipe with a 13-mm radius. If the foreign object has a radius in millimeters, then the velocity V, in millimeters per second, needed to remove the object by cough is given by the following equation, where k is some positive constant. For what size object is the maximum velocity needed to remove the object?V(r) = k * (132 * √r), 0 ≤ r ≤ 13An object
A person coughs when a foreign object is in the windpipe. The velo…
Dec 18, 2021
numerade.com
When a foreign object lodged in the trachea (windpipe) forces a person to cough, the diaphragm thrusts upward causing an increase in pressure in the lungs. This is accompanied by a contraction of the trachea, making a narrower channel for the expelled air to flow through. For a given amount of air to escape in a fixed time, it must move faster through the narrower channel than the wider one. The greater the velocity of the airstream, the greater the force on the foreign object. X rays show that
When a foreign object lodged in the trachea (windpipe) forces a perso…
Mar 22, 2020
numerade.com
SOLVED:The windpipe of one typical whooping crane is 5.00 feet long. What is the fundamental resonant frequency of the bird's trachea, modeled as a narrow pipe closed at one end? Assume a temperature of 37^∘ C.
SOLVED:The windpipe of one typical whooping crane is 5.00 fee…
May 25, 2020
numerade.com
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