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Island problems The surface of an island is defined by the following functions over the region on which the function is nonnegative. Find the volume of the island.
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Calculus: Early Transcendentals, 2nd Edition
- A soda can has a volume of 25 cubic inches. Let x denote its radius and h its height, both in inches. a. Using the fact that the volume of the can is 25 cubic inches, express h in terms of x. b. Express the total surface area S of the can in terms of x.arrow_forwardA soda can is made from 40 square inches of aluminum. Let x denote the radius of the top of the can, and let h denote the height, both in inches. a. Express the total surface area S of the can, using x and h. Note: The total surface area is the area of the top plus the area of the bottom plus the area of the cylinder. b. Using the fact that the total area is 40 square inches, express h in terms of x. c. Express the volume V of the can in terms of x.arrow_forwardHow are the absolute maximum and minimum similar to and different from the local extrema?arrow_forward
- Tsunami Waves and BreakwatersThis is a continuation of Exercise 16. Breakwaters affect wave height by reducing energy. See Figure 5.30. If a tsunami wave of height H in a channel of width W encounters a breakwater that narrows the channel to a width w, then the height h of the wave beyond the breakwater is given by h=HR0.5, where R is the width ratio R=w/W. a. Suppose a wave of height 8 feet in a channel of width 5000feet encounters a breakwater that narrows the channel to 3000feet. What is the height of the wave beyond the breakwater? b. If a channel width is cut in half by a breakwater, what is the effect on wave height? 16. Height of Tsunami WavesWhen waves generated by tsunamis approach shore, the height of the waves generally increases. Understanding the factors that contribute to this increase can aid in controlling potential damage to areas at risk. Greens law tells how water depth affects the height of a tsunami wave. If a tsunami wave has height H at an ocean depth D, and the wave travels to a location with water depth d, then the new height h of the wave is given by h=HR0.25, where R is the water depth ratio given by R=D/d. a. Calculate the height of a tsunami wave in water 25feet deep if its height is 3feet at its point of origin in water 15,000feet deep. b. If water depth decreases by half, the depth ratio R is doubled. How is the height of the tsunami wave affected?arrow_forwardConsider the following equations. y = x²-9 y = -x + 5 X = 0 X = 2 Sketch and shade the region bounded by the graphs of the functions. (Use solid lines for the boundaries.) No Solution Help -6 -5 -4 -3 Find the area of the region. -2 -1 10 9 8 7 6 5 4 3 2 1 -1 -2 -3 -4 -5 -6 -7 -8 -9 -10 1 2 3 4 5 6 Clear All Delete Fill WebAssign. Graphing Tool Graph Layers After you add an object to the graph you can use Graph Layers to view and edit its properties.arrow_forwardLet the region R be the area enclosed by the function f(x) = x3 +1 and g(x) = x + 1.Find the volume of the solid generated when the region R is 3 revolved about the line y = 6. You may use a calculator and round to the nearest thousandth. 12 11 10 9 7 -6- 5 4 3 2 X. -2 -1 1 3 4 6. Answer: Submit Answerarrow_forward
- answer for step 6 pleasearrow_forwardConsider the following equations. f(y) = y2 g(y) = y + 20 Sketch and shade the region bounded by the graphs of the functions. Graph Layers 21 20 After you add an object to the graph you Delete can use Graph Layers to view and edit its properties. 10 Fill 9 10 11 1b 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 No Solution O Help WebAssign. Graphing Tool Find the area of the region.arrow_forwardLet the region R be the area enclosed by the function f (x) = eª, the horizontal line y = 4, and the y-axis. If the region R is the base of a solid such that each cross section perpendicular to the x-axis is an isosceles right triangle with a leg in the region R, find the volume of the solid. You may use a calculator and round to the nearest thousandth. 7 6. -1 1arrow_forward
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