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A large tree adds a new growth ring of xylem cells for conducting water every year. The so-called diuse-porous woods, such as maples and magnolias, develop many xylem vessels of intermediate radius, or 45 m. On the other hand, oaks, elms, and other ring-porous woods develop fewer xylem vessels of greater radius, or 90 m. Let us assume that all features of the conducting vessels are identical in these trees, except for the dierent radii of their vessels.
(a) In a new growth ring, a maple tree can develop 10,000 new vessels with a radius of 45 m. How many vessels of radius 90 m would have to develop in a new growth ring of an oak tree to have an equal rate of total xylem ow as in the maple? Show your calculations using equation (2).
(b) Clearly, it is advantageous to have such large vessels for the purpose of maximal water conduction, but can you think of a plausible reason why the tallest and longest-living trees have many narrow water-conducting cells rather than fewer wide ones?
Conduct research on an article in regards to human factors associated with aviation safety. Summarize the article, explain and correlate the relevancy of the article to the module and, of course, have the proper citation.
Standing at a crosswalk, you hear a frequency of 570 Hz from the siren of an approaching ambulance. After the ambulance passes, the observed frequency of the siren is 488 Hz. Determine the ambulance's speed from these observations.
Ernesto is going to choose 2 flowers. First, he will choose a flower for his mother the second flower he chooses will be for his sister. The florist has two blue flowers, 1 red flower and 1 yellow flower.
Your checkbook shows a balance of $992.23. The bank statement does not show a deposit of $673.77, and checks for $122.52, $119.47, and $29.40 have not been cashed. What balance does the bank statement show?
What is the correct conclusion for this hypothesis test?
a box of cereal has the volume of 384 cubic inches. If the width of the box is 4 inches and the length is 8 inches what is the height of the box?
Let G be a group. The set Aut(G) = {P : G --> G | P is an isomorphism} is called the group of automorphisms of G. Aut(G) is a group with the operation of composition. Prove that Aut(Z2 x Z2) is isomorphic to S3. (See actual question in attache..
Verify Gauss's Theorem, ∫Volume ∇→ · F→dv = ∫surface F→ · n^ da for the function, F→ = r2 sin θr^ + 4 r2 cos θ θ^ + r2 tan θ Φ^ using the volume of the "ice cream cone" shown below.
How do you find (and what is it) the principal branch of the following complex powers:
Summarize each method, and discuss how the financial information is used to make a particular decision. Provide a scenario in a health care situation in which a given method of analysis might be used.
Find and prove a formula for the derivative of the hyperbolic secant function,
A sample of 500 travelers who used the internet to book a trip were asked to which travel website they used. There responses are given in the table below. Use this information to construct a circle graph illustrating the percent of people who gave..
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