3. F(x, y, z) = yzj + z2k and σ is the surface y2 + z2 = 1, z ≥ 0 from x= 0 to x= 1.
F(x, y, z) = yzj + z2k and σ is the surface y2 + z2 = 1, z ≥ 0 from x= 0 to x= 1.
Evaluatef(x, y, z) dS. f(x, y, z) = x2 + y2 +z2 Evaluatef(x, y, z) dS. f(x, y, z) = x2 + y2 +z2
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...
Problem 1.20. Let f(z, y)-(X2-y2)/(z2 + y2) 2 for x, y E (0, 1]. Prove that f(x, y) dx dy f f(x,y) dy)dr. Jo Jo JoJo
(b) The surface of the quarter sphere 2+y2+z2=4, y >0, z 2 0, is made of a thin metal with density p (x+y). py S Plx, y, z) ds. Calculate its mass (b) The surface of the quarter sphere 2+y2+z2=4, y >0, z 2 0, is made of a thin metal with density p (x+y). py S Plx, y, z) ds. Calculate its mass
The gravitational field F(x,y,z) =cx /(x2 + y2 + z2)3/2 e1+ cy /(x2 + y2 + z2)3/2 e2+ cz/ (x2 + y2 + z2)3/2 e3 is a gradient field, where c is a constant, such that the field is rotation free. If we define f(x,y,z) = −c /(x2 + y2 + z2)1/2 , then show that (a) F = grad(f). (b) curl(F) = 0.
Let F(x, y,z) = < x + y2,y + z2,z + x2 >, let S be a surface with boundary C. C is the triangle with vertices (1,0,0), (0,1,0), (0,0,1). 8. a. Evaluate F dr curl F ds b. Let F(x, y,z) = , let S be a surface with boundary C. C is the triangle with vertices (1,0,0), (0,1,0), (0,0,1). 8. a. Evaluate F dr curl F ds b.
5 and 6 please 5) Given the surface f(x, y, z) = 0 or z = f(x,y), find the tangent plane at P. a) z2 – 2x2 – 2y2 = 12 @ P=(1,-1,4) b) f(x,y) = 2x - 3xy3 @ 12,-1) c) f(x,y) = sin(x) @ (3,5) 6) Find an equation of the tangent plane and the equation of the normal line to surface f(x..zb=0 @P x2 + y2 + z2 = 9 P = (2,2,1)
Let Ebe the ball x² + y2 + z2 s 4. and let F(x, y, z) = (-x, -y, - z>be the vector fleld. Then the surface integral / F.ds = o -477 0-817 None of these. 32T
2. Consider the conical surface S={(x,y,z)∈R3 : x2 + y2 = z2, 0 ≤ z ≤ 1}, and the vector field (a) Carefully sketch S, and identify its boundary ∂S. (b) By parametrising S appropriately, directly compute the flux integral S (∇ × f) · dS. (c) By computing whatever other integral is necessary (and please be careful about explaining any orien- tation/direction choices you make), verify Stokes’ theorem for this case.
x2 + y2 with z 2 0; its (1 point) The region W lies between the spheres x² + y2 + z2 = 4 and x² + y2 + z = 16 and within the cone z = boundary is the closed surface, S, oriented outward. Find the flux of Ě = x; i+y?1+z2k out of S. flux = 5952pi/20(1-1/sqrt2)