PIO.19 Determine if the force field F = x'yê, + xyzê, – x'y'ê̟ is conservative.

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Find the surface integral of the vector field F = 3x'ê, - 2yê, + zê, over the surface S that is the
graph of z = 2x -y over the rectangle [0, 2] x [0, 2].
PIO.18
PIO.19
Determine if the force field F = x'yê, + xyzê, – x'y'ê, is conservative.
A vector field is given by F = -yê, + zê, + x'ê,. Determine its line integral over a circular path of
radius R in the XY-plane, with its center at the origin. Determine if the Stokes' theorem holds
good for this circular path, by considering the following surfaces:
PI0.20
(i) the plane of the circle, and (ii) surface of a cylinder of height h erected on the circle.
PI0.21
Determine the curl of the following vectors fields: (a) p cos pɛ, -p sin pe
(b)
For the steady irrotational flow of incompressible, non-viscous liquids, if the flow occurs under
gravity, find the value of pressure at an arbitrary height, z.
PI0.22
PI0.23
The density field of a plane, steady state fluid flow given by p(x1, x)=kx,x2 where k is constant.
Determine the form of the velocity field if the fluid is incompressible.
Determine the stationary points of the function f(x, y) = 3x'y + y - 4x – 4y +
minima, local maxima and saddle points.
PI0.24
Find its local
Transcribed Image Text:Find the surface integral of the vector field F = 3x'ê, - 2yê, + zê, over the surface S that is the graph of z = 2x -y over the rectangle [0, 2] x [0, 2]. PIO.18 PIO.19 Determine if the force field F = x'yê, + xyzê, – x'y'ê, is conservative. A vector field is given by F = -yê, + zê, + x'ê,. Determine its line integral over a circular path of radius R in the XY-plane, with its center at the origin. Determine if the Stokes' theorem holds good for this circular path, by considering the following surfaces: PI0.20 (i) the plane of the circle, and (ii) surface of a cylinder of height h erected on the circle. PI0.21 Determine the curl of the following vectors fields: (a) p cos pɛ, -p sin pe (b) For the steady irrotational flow of incompressible, non-viscous liquids, if the flow occurs under gravity, find the value of pressure at an arbitrary height, z. PI0.22 PI0.23 The density field of a plane, steady state fluid flow given by p(x1, x)=kx,x2 where k is constant. Determine the form of the velocity field if the fluid is incompressible. Determine the stationary points of the function f(x, y) = 3x'y + y - 4x – 4y + minima, local maxima and saddle points. PI0.24 Find its local
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