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11.6: Surface Integrals

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    144363
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    1. Find a parametric description for the surface \(3x - 2y + z = 2\).
       
    2. Find a parametric description for the surface \(z = x^2 + y^2\).
       
    3. Find a parametric description for the surface \(z^2 = x^2 + y^2\) for \(2 \leq z \leq 8\).
       
    4. Find a parametric description for the surface \(x^2 + y^2 = 9\).
       
    5. Find a parametric description for the surface \(x^2 + y^2 + z^2 = 4\).
       
    6. Find a parametric description for the portion of the sphere \(x^2 + y^2 + z^2 = 4\) below the plane \(z = 1\).
       
    7. Let \(\sigma\) be the portion of the sphere \(x^2 + y^2 + z^2 = 4\) with \(z \geq 0\). Evaluate \(\displaystyle \iint_\sigma z\ dS\).
       
    8. Let \(\sigma\) be the portion of the cone \(z = \sqrt{x^2 + y^2}\) between \(z = 1\) and \(z = 3\). Evaluate \(\displaystyle \iint_\sigma z^2\ dS\).
       
    9. Let \(\sigma\) be the portion of the plane \(x + y + z = 1\) in the first octant. Evaluate \(\displaystyle \iint_\sigma xy\ dS\).
       
    10. Evaluate \(\displaystyle \iint_\sigma (2, -3, 4) \cdot \mathbf{N}\ dS\), where \(\sigma\) is the paraboloid \(z = x^2 + y^2\) with \(-1 \leq x \leq 1\), \(-1 \leq y \leq 1\), oriented up.
       
    11. Evaluate \(\displaystyle \iint_\sigma (x, y, -2) \cdot d\mathbf{S}\), where \(\sigma\) is given by \(z = 1 - x^2 - y^2\), where \(x^2 + y^2 \leq 1\), oriented up.
       
    12. Evaluate \(\displaystyle \iint_\sigma (xy, yz, zx) \cdot d\mathbf{S}\), where \(\sigma\) is the paraboloid \(z = x + y^2 + 2\), where \(0 \leq x \leq 1\), \(x \leq y \leq 1\), oriented up.

    11.6: Surface Integrals is shared under a not declared license and was authored, remixed, and/or curated by LibreTexts.

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