

13. (4 points) Consider the vector field F shown in the figure below. Llor 11/12 (a)...
(13.3.10)
(1 point) Consider the vector field F in the figure and the closed circular path C oriented counter-clockwise. (a) Is F. di positive, negative, or zero? Positive 1 (b) True or False: F = gradf for some function f. Hint: use your answer to part (a). False (c) Which of the following formulas best fits F? AF __y (x2 + y2)2 + y)2 B. F = ti + muityvai 11 C.Fe-2 F = (x2 + y2)2° + (z2 +...
Let C be the counter-clockwise planar circle with center at the origin and radius r o. VWithout computing them, determine for the following vector fields F whether the line integrals F. dr are positive, negative, or zero and type P, N, or Z as A. F the radial vector field-t1 + 30 B. F the circulating vector field -yi + xj C. F the circulating vector field -yi - zj D. F the constant vector field-i+j
Let C be the...
2. (a) (4 marks] State whether the divergence of the vector field shown below is on average positive, negative or approximately zero in each of regions 1-4. (b) (4 marks] State whether the curl of the vector field shown below is on average positive, negative or approximately zero in each of regions 1-4.
3) (11 points) Consider the vector field Use the Fundamental Theorem of lLine Integrals to find the work done by F along any curve from 41. 1Le) to B(2. el) 4) (10 points) Consider the vector field F(x.y)-(r-yi+r+y)j and the circle C: r y-9. Verify Green's Theorem by calculating the outward flux of F across C (12 points) Find the absolute extreme values of the function .-2-4--3 on the closed triangular region in the xy-plane bounded by the lines x...
4) 20pt) Consider the following vector F: F(x, y) (- y +jx)/ (x2+y')12 1/2 a) Derive an expression for the field lines of the vector function F. b) Use this expression to draw the field lines c) Draw the vector field
4) 20pt) Consider the following vector F: F(x, y) (- y +jx)/ (x2+y')12 1/2 a) Derive an expression for the field lines of the vector function F. b) Use this expression to draw the field lines c) Draw the...
Please help!
Question 5 25 (5.1) Sketch some vectors in the vector field given by F(r, y) 2ri + yj. (3) (5.2) Evaluate the line integral fe F dr, where F(r, y, 2) = (x + y)i + (y- 2)j+22k and C is given by the vector function r(t) = ti + #j+Pk, 0 <t<1 (4) costrt>, 0St<1 (5.3) Given F(r, y) = ryi + yj and C: r(t)=< t + singat, t (3) (a) Find a function f such...
D Question 11 12 pts to Consider the vector field F (x, y, z) =< 2x – yz, 2y – az,2z – xy>. a) (3) Is this vector field conservative? Justify your answer. b) (9) Find the amount of work done by this vector field in moving a particle along the curve (t) =< 3cost, cos’t, cos” (2t) > from t = 0 tot = 1
(1 point) Consider the vector field F(x, y, z) = (2z + 3y)i + (2z + 3x)j + (2y + 2x)k. a) Find a function f such that F = Vf and f(0,0,0) = 0. f(x, y, z) = b) Suppose C is any curve from (0,0,0) to (1,1,1). Use part a) to compute the line integral / F. dr. (1 point) Verify that F = V and evaluate the line integral of F over the given path: F =...
2. Consider the vector field F = (yz - eyiz sinx)i + (x2 + eyiz cosz)j + (cy + eylz cos.) k. (a) Show that F is a gradient vector field by finding a function o such that F = Vº. (b) Show that F is conservative by showing for any loop C, which is a(t) for te (a, b) satisfying a(a) = a(6), ff.dr = $. 14. dr = 0. Hint: the explicit o from (a) is not needed....
(10) Consider the vector field F (x, y, z) = (x,y, z). Clearly sketch and label three oriented surfaces S, So and S whose flux is negative, zero, and positive, respectively. Be sure to indicate orientations. Explain your conclusions
(10) Consider the vector field F (x, y, z) = (x,y, z). Clearly sketch and label three oriented surfaces S, So and S whose flux is negative, zero, and positive, respectively. Be sure to indicate orientations. Explain your conclusions