When coughing, the windpipes contract to increase the velocity of air passing through the windpipe to help clear mucus. The velocity, U, at which the air flows through the windpipe depends on the radius, r of the windpipe. If R is the resting radius of the windpipe, then the velocity of air passing through the windpipe satisfies: v(r) = Ar²(R – r), where A is a constant dependent on the strength of the diaphram muscles. Find the derivative of the velocity function: (Note that your answers in the questions below may include A and R.) v'(r) = Find the value of r that maximizes the velocity of air. Imax = Determine the maximum velocity of the air flowing through the windpipe. v(rmax) =
When coughing, the windpipes contract to increase the velocity of air passing through the windpipe to help clear mucus. The velocity, U, at which the air flows through the windpipe depends on the radius, r of the windpipe. If R is the resting radius of the windpipe, then the velocity of air passing through the windpipe satisfies: v(r) = Ar²(R – r), where A is a constant dependent on the strength of the diaphram muscles. Find the derivative of the velocity function: (Note that your answers in the questions below may include A and R.) v'(r) = Find the value of r that maximizes the velocity of air. Imax = Determine the maximum velocity of the air flowing through the windpipe. v(rmax) =
Calculus: Early Transcendentals
8th Edition
ISBN:9781285741550
Author:James Stewart
Publisher:James Stewart
Chapter1: Functions And Models
Section: Chapter Questions
Problem 1RCC: (a) What is a function? What are its domain and range? (b) What is the graph of a function? (c) How...
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