Exam 17: Vector Calculus

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Parametrize the surface S. -S is the lower portion of the sphere Parametrize the surface S. -S is the lower portion of the sphere   +   +   = 25 cut by the cone z =   . + Parametrize the surface S. -S is the lower portion of the sphere   +   +   = 25 cut by the cone z =   . + Parametrize the surface S. -S is the lower portion of the sphere   +   +   = 25 cut by the cone z =   . = 25 cut by the cone z = Parametrize the surface S. -S is the lower portion of the sphere   +   +   = 25 cut by the cone z =   . .

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Answers will vary. One possibility is r = 5 cos φ sin θi + 5 sin φ sin θj + 5 cos θk Answers will vary. One possibility is r =  5 cos φ sin θi + 5 sin φ sin θj +  5 cos θk

Parametrize the surface S. -S is the portion of the cylinder Parametrize the surface S. -S is the portion of the cylinder   +   = 16 that lies between z = 2 and z = 7. + Parametrize the surface S. -S is the portion of the cylinder   +   = 16 that lies between z = 2 and z = 7. = 16 that lies between z = 2 and z = 7.

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Answers will vary. One possibility is r = 4 cos θi + 4 sin θj + zk , 2 ≤ z ≤ 7, 0 ≤ θ ≤ 2π

Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction. -F = 2yi + 3xj + 6 Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction. -F = 2yi + 3xj + 6   k ; C: the portion of the plane 3x + 3y + 5z = 6 in the first quadrant k ; C: the portion of the plane 3x + 3y + 5z = 6 in the first quadrant

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D

Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C. -F = xyi + xj; C is the triangle with vertices at (0, 0), ( 7, 0), and (0, 7)

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Evaluate the work done between point 1 and point 2 for the conservative field F. -F = (y + z)i + xj + xk; Evaluate the work done between point 1 and point 2 for the conservative field F. -F = (y + z)i + xj + xk;   (0, 0, 0),   ( 3, 10, 7) (0, 0, 0), Evaluate the work done between point 1 and point 2 for the conservative field F. -F = (y + z)i + xj + xk;   (0, 0, 0),   ( 3, 10, 7) ( 3, 10, 7)

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Evaluate the work done between point 1 and point 2 for the conservative field F. -Evaluate the work done between point 1 and point 2 for the conservative field F. -

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Find the mass of the wire that lies along the curve r and has density δ. -r(t) = 7i + ( 9 - 4t)j + 3tk, 0 \le t \le 2 π\pi ;  Find the mass of the wire that lies along the curve r and has density δ. -r(t) = 7i + ( 9 - 4t)j + 3tk, 0  \le  t  \le  2  \pi  ;  = 5(1 + sin 7t) = 5(1 + sin 7t)

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Find the flux of the vector field F across the surface S in the indicated direction. -F(x, y, z) = 2xi + 2yj + 2k , S is the surface cut from the bottom of the paraboloid z = Find the flux of the vector field F across the surface S in the indicated direction. -F(x, y, z) = 2xi + 2yj + 2k , S is the surface cut from the bottom of the paraboloid z =   +   by the plane   direction is outward + Find the flux of the vector field F across the surface S in the indicated direction. -F(x, y, z) = 2xi + 2yj + 2k , S is the surface cut from the bottom of the paraboloid z =   +   by the plane   direction is outward by the plane Find the flux of the vector field F across the surface S in the indicated direction. -F(x, y, z) = 2xi + 2yj + 2k , S is the surface cut from the bottom of the paraboloid z =   +   by the plane   direction is outward direction is outward

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Find the surface area of the surface S. -S is the intersection of the plane 3x + 4y + 12z = 7 and the cylinder with sides y = 4 Find the surface area of the surface S. -S is the intersection of the plane 3x + 4y + 12z = 7 and the cylinder with sides y = 4   and y = 8 - 4   . and y = 8 - 4 Find the surface area of the surface S. -S is the intersection of the plane 3x + 4y + 12z = 7 and the cylinder with sides y = 4   and y = 8 - 4   . .

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Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle x2 + y2 = 4. -F = Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle  x<sup>2</sup> + y<sup>2</sup>  = 4.  -F =   i +   j i + Sketch the vector field in the plane along with its horizontal and vertical components at a representative assortment of points on the circle  x<sup>2</sup> + y<sup>2</sup>  = 4.  -F =   i +   j j

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Calculate the circulation of the field F around the closed curve C. -F = xyi + 5j , curve C is r(t) = 3 cos ti + 3 sin tj, 0 \le t \le 2 π\pi

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Find the potential function f for the field F. -Find the potential function f for the field F.    -

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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 i + 6  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 j + 6  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 k ; D: the thick sphere 4 \le  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 +  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 +  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = 6   i + 6   j + 6   k ; D: the thick sphere 4  \le   +   +    \le 16 \le 16

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Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C. -F = -  Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C. -F = -   i +   j; C is the region defined by the polar coordinate inequalities 8  \le  r  \le  9 and   i +  Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C. -F = -   i +   j; C is the region defined by the polar coordinate inequalities 8  \le  r  \le  9 and   j; C is the region defined by the polar coordinate inequalities 8 \le r \le 9 and  Using Green's Theorem, compute the counterclockwise circulation of F around the closed curve C. -F = -   i +   j; C is the region defined by the polar coordinate inequalities 8  \le  r  \le  9 and

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Parametrize the surface S. -S is the portion of the cone Parametrize the surface S. -S is the portion of the cone   +   =   that lies between z = 1 and z = 9. + Parametrize the surface S. -S is the portion of the cone   +   =   that lies between z = 1 and z = 9. = Parametrize the surface S. -S is the portion of the cone   +   =   that lies between z = 1 and z = 9. that lies between z = 1 and z = 9.

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Find the gradient field F of the function f. -f(x, y, z) = ln ( Find the gradient field F of the function f.         -f(x, y, z) = ln (   +   +   ) + Find the gradient field F of the function f.         -f(x, y, z) = ln (   +   +   ) + Find the gradient field F of the function f.         -f(x, y, z) = ln (   +   +   ) )

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Calculate the flux of the field F across the closed plane curve C. -Calculate the flux of the field F across the closed plane curve C. -  the curve C is the closed counterclockwise path formed from the semicircle    0 ≤ t ≤ π, and the straight line segment from (-4, 0) to ( 4, 0) the curve C is the closed counterclockwise path formed from the semicircle Calculate the flux of the field F across the closed plane curve C. -  the curve C is the closed counterclockwise path formed from the semicircle    0 ≤ t ≤ π, and the straight line segment from (-4, 0) to ( 4, 0) 0 ≤ t ≤ π, and the straight line segment from (-4, 0) to ( 4, 0)

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Evaluate the surface integral of the function g over the surface S. -G(x, y, z) = x2 y2 z2 ; S is the surface of the rectangular prism formed from the planes x = ± 2, y = ± 2, and z = ± 1

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Find the potential function f for the field F. -Find the potential function f for the field F.    -

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Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,   i + y  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,   j + z  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,   k ; D: the thick cylinder 1 \le  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,   +  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,   \le 3 ,  Using the Divergence Theorem, find the outward flux of F across the boundary of the region D. -F = x   i + y   j + z   k ; D: the thick cylinder 1  \le    +    \le  3 ,

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