Use Stokes' Theorem to calculate the circulation of the field F around the curve C in the indicated direction. F = 2yi + yj + zk; C: the counterclockwise path around the boundary of the ellipse x 2 16 + y 2 4 =

Answer: The circulation of F around the curve C in the counterclockwise direction is -8π.

Step-by-step explanation:

Determine the curl of F, which is a vector field given by the cross product of the gradient operator and F: ∇ × F.

Calculate the surface integral of the curl of F over any surface S that is bounded by C, with a positive orientation consistent with the direction of circulation around C.

According to Stokes' Theorem, the circulation of F around C is equal to the surface integral of the curl of F over any surface S that is bounded by C, with a positive orientation consistent with the direction of circulation around C.

In this problem, we are given the vector field F = 2yi + yj + zk and the curve C is the counterclockwise path around the boundary of the ellipse x^2/16 + y^2/4 = 1.

To apply Stokes' Theorem, we first need to calculate the curl of

F:∇ × F = (d/dx, d/dy, d/dz) × (2yi + yj + zk)

= (0, 0, 2y) - (0, 0, 1)

= -j - 2yk

Next, we need to find a surface S that is bounded by C, with a positive orientation consistent with the direction of circulation around C. Since C is the boundary of the ellipse x^2/16 + y^2/4 = 1, we can choose S to be any surface that is enclosed by this ellipse.

Let's choose S to be the portion of the plane z = 0 that is enclosed by the ellipse. To parameterize this surface, we can use the parametrization:

r(u, v) = (4 cos(u), 2 sin(u), 0) + v (0, 0, 1 )where 0 ≤ u ≤ 2π and 0 ≤ v ≤ 1.

This parametrization traces out the ellipse in the x-y plane and varies the z-coordinate from 0 to 1.Now we can compute the surface integral of the curl of F over

S:∫∫S (∇ × F) · dS = ∫∫S (-j - 2yk) · (dx dy)

= ∫0_2π ∫0_1 (-j - 2y k) · (4sin(u) du dv)

= ∫0_2π [-4 cos(u)]_0^1 du

= -8π.

Therefore, the circulation of F around the curve C in the counterclockwise direction is -8π.

Learn more about Stokes' Theorem here, https://brainly.com/question/28381095

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