let f(x,y)=sqrt(49-x^2-y^2) (A) describe the cross sections of the surface Z=f(x,y) produced by cutting it with...
1) Consider the surface x2 + 3y2-2z2-1 (a) What are the cross sections(traces) in x k,y k, z k Sketch for (b) Sketch the surface in space. 2) Draw the quadric surface whose equation is described by z2 +y2 - 221 (a) What are the cross sections(traces) inx-k,y k,z k Sketch for (b) Sketch the surface in space. a) Sketch the region bounded by the paraboloids z-22 + y2 and z - 3) 2 b) Draw the xy, xz, yz...
Evaluate the surface integral f(x,y,z) dS using a parametric description of the surface. 2 f(x,y,z) x 2 where S is the hemisphere x + y +z2 = 25, for z 2 0 The value of the surface integral is (Type an exact answers, using t as needed.) Evaluate the surface integral f(x,y,z) dS using a parametric description of the surface. 2 f(x,y,z) x 2 where S is the hemisphere x + y +z2 = 25, for z 2 0 The...
1) Problem 12 The area of the region bounded by the parabola x y-3) and the line y x is Problem 13 The base of a solid S is the parabolic region [(x.y):x s y S 1). Cross-sections perpendicular the y-axis are squares. Find the volume of the solid S 1) Problem 12 The area of the region bounded by the parabola x y-3) and the line y x is Problem 13 The base of a solid S is the...
2. Let f(x, y) = |xl + lyl. Determine the equations and shapes of the cross-sections when x 0, y = 0, x = y, and describe the level curves. Use a three-dimensional graphing tool to graph the surface. 2. Let f(x, y) = |xl + lyl. Determine the equations and shapes of the cross-sections when x 0, y = 0, x = y, and describe the level curves. Use a three-dimensional graphing tool to graph the surface.
2. Consider the surface -v 9-2r2-r : f(x, y) z (a) What is the domain and range of f? (b) Sketch the level curves for 2-f(r,y) -0,-3,-2V2,-v5 (c) Sketch the cross sections of the surface in the r-2 plane and in the y-z plane (d) Find any z, y and z intercepts Use the above information to identify and sketch the surface. 2. Consider the surface -v 9-2r2-r : f(x, y) z (a) What is the domain and range of...
(c) Let F be the vector field on R given by F(x, y, z) = (2x +3y, z, 3y + z). (i) Calculate the divergence of F and the curl of F (ii) Let V be the region in IR enclosed by the plane I +2y +z S denote the closed surface that is the boundary of this region V. Sketch a picture of V and S. Then, using the Divergence Theorem, or otherwise, calculate 3 and the XY, YZ...
Consider the function f (x, y)=6-32 -32 (a) Determine the level curves for the surface when z 0,3, 6. Sketch these three level curves in the ry plane. (b) Determine the cross-sectional curves of the surface in the rz plane and in the yz plane. Sketch these two cross-sectional curves. (c) Sketch the surface z f(x, y) (d) What is the maximal domain and range of f? (e) Evaluate the double integral f(ar, y) da dy Consider the function f...
Describe in words the surface whose equation is given the plane perpendicular to the xy-plane passing through y X, where x 2 0 3 the top half of the right circular cone with vertex at the origin and axis the positive z-axis the base of the right circular cone with vertex at the origin and axis the positive z-axis 3 x, where x 2 0 the plane perpendicular to the xz-plane passing through z the plane perpendicular to the yz-plane...
Could you do number 4 please. Thanks 1-8 Evaluate the surface integral s. f(x, y, z) ds Vx2ty2 -vr+) 1. f(x, y, z) Z2; ơ is the portion of the cone z between the planes z 1 and z 2 1 2. f(x, y, z) xy; ơ is the portion of the plane x + y + z lying in the first octant. 3. f(x, y, z) x2y; a is the portion of the cylinder x2z2 1 between the planes...
Consider the vector field F(x, y, z) -(z,2x, 3y) and the surface z- /9 - x2 -y2 (an upper hemisphere of radius 3). (a) Compute the flux of the curl of F across the surface (with upward pointing unit normal vector N). That is, compute actually do the surface integral here. V x F dS. Note: I want you to b) Use Stokes' theorem to compute the integral from part (a) as a circulation integral (c) Use Green's theorem (ie...