7. (10 points) Consider the linear path "C" in the xy-plane from the point (1,1) to...
The path integral of a function f(x, y) along a path e in the xy-plane with respect to a parameter r is given by 2. fex,y)ds= f(x),ye) /x(mF +y(t" dr , where a sr sb. (a) Show that the path integral of f(x, y) along a path c(0) in polar coordinates where r=r(0), α<θ<β, is Sf(r cos 0,rsin e) oN+( de. (b) Use this formula to compute the arc length of the path r 1+cos0, 0<0 27
The path integral...
QB(27pts)(a). Evaluate the circulation ofF(xy)-<x,y+x> on the curve r(t)=<2cost, 2sinp, foross2n (b) Evaluate J F.dr, where C is a piecewise smooth path from (1,0) to (2,1) and F- (e'cos x)i +(e'sinx)j [Hint: Test F for conservative (c). Use green theorem to express the line integral as a double integral and then evaluate. where C is the circle x+y-4 with counterclockwise orientation. (d(Bonus10 pts) Consider the vector field Foxyz) a. Find curl F y, ,z> F.dr where C is the curve...
Question Help LetF=v(xy?) and let C be the path in the xy-plane from (-44) to (4.4) that consists of the line segment from (-44) to (0,0) followed by the line segment from (0,0) to (4.4). Evaluate SA Fodrin two ways a) Find parametrizations for the segments triat make up C C-v*(4-440stst C12(0) = (4) Costs С a) Find parametrizations for the segments that make up C and evaluate the integral b) Use 1(xy] =x?y? as a potential function for F
q4 please thanks
(1) Let A - (0,0), B- (1,1) and consider the veetor field f(r, y,z)vi+aj. Evaluate the line integral J f.dr )along the parabola y from A to B and (i)along the straight line from A to B. Is the vector field f conservative? (2) For the vector feld f # 22(r1+ gd) + (x2 + y2)k use the definition of line integral to (3) You are given that the vector field f in Q2 is conservative. Find...
Evaluate the line integral «+xy+y)ds where C is the path of the arc along the circle given by x2 + y2 = 9, starting at the point (3,0) going counterclockwise making an inscribed angle of a The line integral equals (45-72*sqrt(2))/8 Submit Answer Incorrect. Tries 1/8 Previous Tries
(10 points each) Consider the curve y = r² from the point (1,1) to the point (2,4). Determine the arc length of the curve. You do not need to evaluate the definite integral! Just set it up!
Use to fundamental theorem of line integrals to evaluate F dr for 6. F(xy) = (2xy,x2 -y) over the path C from the point (2, 0) to (0, 2)
Use to fundamental theorem of line integrals to evaluate F dr for 6. F(xy) = (2xy,x2 -y) over the path C from the point (2, 0) to (0, 2)
answer all parts please except A if you cannot
(6) Consider the vector field F(x,y)-《22, 3y). A path is closed if it ends whiere it starts Consider the 3 closed paths starting and ending at (3,0): C1 the circle of radius 3 centered at the origin, C2 the ellipse with equation 2 +3y2-9, and Cs the flat linear path going to -3 and then going straight back. (a) Use GeoGebra to plot the vector field F (b) For each, parametrize...
A particle in the xy plane travels along a spiral path C
beginning at a point P that is 8 units from the origin and ending
at a point Q that is 2 units from origin.
The particle makes 2.5 revolutions aroung the origin along the
way.
What is work done by the gravitational field
F(x, y) =
i +
j in moving the particle along its path?
(x2 + y2) 3/2)
(1 point) Consider the following integral. Sketch its region of integration in the xy-plane. . miten de dy (a) Which graph shows the region of integration in the xy-plane? ? (b) Write the integral with the order of integration reversed: [Ia inte de dy- ." mtej dy de with limits of integration (c) Evaluate the integral (Click on a graph to enlarge it)