Exam 14: Section 4: Multiple Integration

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Find the mass of the lamina bounded by the graphs of the equations Find the mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the mass of the lamina bounded by the graphs of the equations   for the density   . .

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C

Find the mass of the triangular lamina with vertices Find the mass of the triangular lamina with vertices   for the density   . for the density Find the mass of the triangular lamina with vertices   for the density   . .

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C

Find the center of mass of the lamina bounded by the graphs of the equations Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . .

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B

Determine the location of the horizontal axis Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    where Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is the y-coordinate of the centroid of the gate, Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is the moment of inertia of the gate about the line Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    , h is the depth of the centroid below the surface, and A is the area of the gate. Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.

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Find the center of mass of the lamina bounded by the graphs of the equations Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . .

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Find the mass of the lamina bounded by the graphs of the equations Find the mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the mass of the lamina bounded by the graphs of the equations   for the density   . .

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Find the center of mass of the rectangular lamina with vertices Find the center of mass of the rectangular lamina with vertices   for the density   . for the density Find the center of mass of the rectangular lamina with vertices   for the density   . .

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Determine the location of the horizontal axis Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    where Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is the y-coordinate of the centroid of the gate, Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    is the moment of inertia of the gate about the line Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    , h is the depth of the centroid below the surface, and A is the area of the gate. Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.    Determine the location of the horizontal axis   for figure (b) at which a vertical gate in a dam is to be hinged so that there is no moment causing rotation under the indicated loading (see figure (a)). The model for   is   where   is the y-coordinate of the centroid of the gate,   is the moment of inertia of the gate about the line   , h is the depth of the centroid below the surface, and A is the area of the gate.

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Set up the double integral required to find the moment of inertia I, about the line Set up the double integral required to find the moment of inertia I, about the line   of the lamina bounded by the graphs of the equations   for the density   . Use a computer algebra system to evaluate the double integral. of the lamina bounded by the graphs of the equations Set up the double integral required to find the moment of inertia I, about the line   of the lamina bounded by the graphs of the equations   for the density   . Use a computer algebra system to evaluate the double integral. for the density Set up the double integral required to find the moment of inertia I, about the line   of the lamina bounded by the graphs of the equations   for the density   . Use a computer algebra system to evaluate the double integral. . Use a computer algebra system to evaluate the double integral.

(Multiple Choice)
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Find the mass of the lamina described by the inequalities Find the mass of the lamina described by the inequalities   given that its density is   . (Hint: Some of the integrals are simpler in polar coordinates.) given that its density is Find the mass of the lamina described by the inequalities   given that its density is   . (Hint: Some of the integrals are simpler in polar coordinates.) . (Hint: Some of the integrals are simpler in polar coordinates.)

(Multiple Choice)
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Find the mass of the triangular lamina with vertices Find the mass of the triangular lamina with vertices   for the density   . for the density Find the mass of the triangular lamina with vertices   for the density   . .

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Find the mass of the lamina bounded by the graphs of the equations Find the mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the mass of the lamina bounded by the graphs of the equations   for the density   . .

(Multiple Choice)
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Find the mass and moments of inertia of the lamina, with given density, bounded by the graphs of the equations given below and use them to find the radii of gyration about the axes. Find the mass and moments of inertia of the lamina, with given density, bounded by the graphs of the equations given below and use them to find the radii of gyration about the axes.

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Set up and evaluate a double integral required to find the moment of inertia, I, about the given line, of the lamina bounded by the graphs of the following equations. Use a computer algebra system to evaluate the double integral. Set up and evaluate a double integral required to find the moment of inertia, I, about the given line, of the lamina bounded by the graphs of the following equations. Use a computer algebra system to evaluate the double integral.

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Find the mass and moments of inertia of the lamina, of given density, bounded by the graphs of the equations given below and use them to find the radii of gyration about the axes. Find the mass and moments of inertia of the lamina, of given density, bounded by the graphs of the equations given below and use them to find the radii of gyration about the axes.

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Find the mass of the lamina described by the inequalities Find the mass of the lamina described by the inequalities   given that its density is   . (Hint: Some of the integrals are simpler in polar coordinates.) given that its density is Find the mass of the lamina described by the inequalities   given that its density is   . (Hint: Some of the integrals are simpler in polar coordinates.) . (Hint: Some of the integrals are simpler in polar coordinates.)

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Find the center of mass of the lamina bounded by the graphs of the equations Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . for the density Find the center of mass of the lamina bounded by the graphs of the equations   for the density   . .

(Multiple Choice)
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Find the center of mass of the rectangular lamina with vertices Find the center of mass of the rectangular lamina with vertices   and   for the density   . and Find the center of mass of the rectangular lamina with vertices   and   for the density   . for the density Find the center of mass of the rectangular lamina with vertices   and   for the density   . .

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