Use Stokes' Theorem to evaluate curl F- dS where F(r, y, 2) = 4ryzi – ryj + x?yzk and S consists of the top and the four sides (but not the bottom) of the cube with vertices (+2, ±2, +2), oriented outward. Since the box is oriented outwards the boundary curve must be transversed ? when viewed from the top. A parametrization for the boundary curve C seen below from above can be given by: ry(t) r(t) FR(t) rB(t) IL(t) = ( Σ Σ 0
Use Stokes' Theorem to evaluate curl F- dS where F(r, y, 2) = 4ryzi – ryj + x?yzk and S consists of the top and the four sides (but not the bottom) of the cube with vertices (+2, ±2, +2), oriented outward. Since the box is oriented outwards the boundary curve must be transversed ? when viewed from the top. A parametrization for the boundary curve C seen below from above can be given by: ry(t) r(t) FR(t) rB(t) IL(t) = ( Σ Σ 0
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Use Stokes' Theorem to evaluate
curl F- dS
where F(r, y, 2) = 4ryzi – ryj + x?yzk
and S consists of the top and the four sides (but not the bottom) of the cube with vertices (+2, ±2, +2), oriented outward.
Since the box is oriented outwards the boundary curve must be transversed ?
v when viewed from the top.
A parametrization for the boundary curve C seen below from above can be given by:
rT(t)
rL(t)
FR(t)
rB(t)
rz(t) = (
Σ
Σ
Σ
0<t<1.
FR(t) = (
Σ
Σ
E ), 0<t<1.
r7(t) = (|
E ), 0<t< 1.
Σ
Σ
rB(t) = (|
Σ
0<t<1.
Σ
(use the most natural parametrizations)
curl F. dS =
Σdt
curl F. dS
Σ
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