Exam 6: Applications of the Definite Integral in Geometry, Science and Engineering

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Use the method of washers to find the volume of the solid that results when the area of the region enclosed by y2 = 4x and y = x is revolved about the line x = 4.

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Evaluate Evaluate   . .

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Find the arc length of the curve Find the arc length of the curve   from y = 1 to y = 5. from y = 1 to y = 5.

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Approximate the arc length of x = sin 4y from y = 0 to y = π\pi .

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Answer true or false. The volume of the solid that results when the region enclosed by the curves x = y2, x = y5 is revolved about the y-axis is given by Answer true or false. The volume of the solid that results when the region enclosed by the curves x = y<sup>2</sup>, x = y<sup>5</sup> is revolved about the y-axis is given by   . .

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Find the area enclosed by the curves y = x5, Find the area enclosed by the curves y = x<sup>5</sup>,   , x = 0, x = 0.5 . Approximate area to three decimal places. , x = 0, x = 0.5 . Approximate area to three decimal places.

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Use the method of disks to find the volume of the solid that results by revolving the region enclosed by the curves Use the method of disks to find the volume of the solid that results by revolving the region enclosed by the curves   , x = 0,   , y = 0 about the x-axis. , x = 0, Use the method of disks to find the volume of the solid that results by revolving the region enclosed by the curves   , x = 0,   , y = 0 about the x-axis. , y = 0 about the x-axis.

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Use cylindrical shells to find the volume of the solid generated when the region R in the first quadrant enclosed by y = x3 and x = 0 over the interval [0, 4] is revolved about the x-axis.

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Evaluate Evaluate   . .

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A 50 foot length of steel chain weighing 10 pounds per foot is hanging from the top of a building. How much work is required to pull half of it to the top? A 50 foot length of steel chain weighing 10 pounds per foot is hanging from the top of a building. How much work is required to pull half of it to the top?

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Find the area of the region enclosed by x = 4y - y2 and x + y = 4.

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Find the arc length of the curve y = x3 - 5 over the interval x = 0 to x = 3. Approximate area to three decimal places. Use a CAS if necessary.

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Use cylindrical shells to find the volume of the solid generated when the region R under y = x3 over the interval [0, 3] is revolved about the x-axis.

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Answer true or false. The area of the surface generated by revolving x = cos y, 0 ≤\le y ≤\le π\pi about the y-axis is given by  Answer true or false. The area of the surface generated by revolving x = cos y, 0  \le  y  \le   \pi  about the y-axis is given by   . .

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