Assume C is a circle centered at the origin, oriented counter clockwise, that encloses disk R in the plane. Complete the following steps for each vector field F. a. Calculate the two-dimensional curl of F . b. Calculate the two-dimensional divergence of F. c. Is F irrotational on R ? d. Is F source free on R ? 14. F = 〈 4 x 3 + y , 12 x y 〉
Assume C is a circle centered at the origin, oriented counter clockwise, that encloses disk R in the plane. Complete the following steps for each vector field F. a. Calculate the two-dimensional curl of F . b. Calculate the two-dimensional divergence of F. c. Is F irrotational on R ? d. Is F source free on R ? 14. F = 〈 4 x 3 + y , 12 x y 〉
Solution Summary: The author calculates the two dimensional curl of the vector field F=langle 4x3+y,12xyrangle , which is 12y-1.
Assume C is a circle centered at the origin, oriented counter clockwise, that encloses disk R in the plane. Complete the following steps for each vector field F.
For the vector field F and curve C, complete the following.
a. Determine the points (if any) on the curve C at which the vector field F is tangent to C.
b. Determine the points (if any) on the curve C at which the vector field F is normal to C.
c. Sketch C and a few representative vectors of F on C.
where C = = {(x,y): y - 3x² = -4}
F=
a. Where is F tangent to C? Select the correct choice below and fill in any answer boxes within your choice.
OA. F is tangent to C at
(Type an ordered pair. Use a comma to separate answers as needed.)
OB. There are no points where F is tangent to C.
OC. F is tangent to C at every point on C.
A constant vector field is given by E = -5ap + 10a +3az. Calculate
a. The vector component of E at P (5,rad, 3) parallel to the line x =
2, z = 3.
b. The angle E makes with the surface z = 3 at the point P.
Answer:
a. -5ay
b. 15.0203
For the cubical box with side 1m (without top
surface), find the value of f V x A - ds (for 5 surfaces
of the cube) if the vector field
A = xy a, + ye? a, - xza,
ZA
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