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Unformatted text preview: and radius 10 cm rotating at 33 1/3 revolutions per minute. KE=1.2mv^2 Section 8.7 #16 The density function and cumulative distribution function of heights of grass plants in a meadow are in Figures 8.85 and 8.86, respectively. (a)There are two species of grass in the meadow, a short grass and a tall grass. Explain how the graph of the density function reflects this fact. (b)Explain how the graph of the cumulative distribution functions reflects the fact that there are two species of grass in the meadow. (c) About what percentage of the grasses in the meadow belong to the short grass species? Chapter 8 Review #46 An underground tank filled with gasoline of density 42 lb/ft^3 is a hemisphere of radius 5 ft, as in figure 8.102. Use an integral to find the work to pump gasoline over the top of the tank....
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 Fall '07
 Irena
 Math

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