x,y,z), by Sph = {(x, y, z): (x − xo)²+(y - Yo)² + (z - zo)² = a²}, - where a, xo, yo and zo are constants, (0, 0) = (xo + a sin cos , yo + a sin sin , zo + acos #), giving the ranges of ne parameters and p. or the surface Sph, defined in part (a), show that a vector surface element is given y ds a sin 0 [r - (xo, Yo, zo)] dedo, and justify the sign convention associated with this normal vector. Hence evaluate the flux = f = sph f the vector field G = (1, 0, z²) out of the surface. G.dS

Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
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(x, y, z), by
in terms of Cartesian coordinates
Sph = {(x, y, z) : (x — xo)² + (y — yo)² + (z − zo)² = a²},
where a, xo, yo and zo are constants,
r(0, ) = (xo + a sin cos , yo + a sine sin d, %0 + a cos), giving the ranges of
the parameters 0 and 6.
=
For the surface Sph, defined in part (a), show that a vector surface element is given
by ds
a sin 0 [r (xo, Yo, zo)] dedo, and justify the sign convention associated
with this normal vector. Hence evaluate the flux
f = = G
#
G.dS
Sph
of the vector field G = (1,0, z²) out of the surface.
Transcribed Image Text:(x, y, z), by in terms of Cartesian coordinates Sph = {(x, y, z) : (x — xo)² + (y — yo)² + (z − zo)² = a²}, where a, xo, yo and zo are constants, r(0, ) = (xo + a sin cos , yo + a sine sin d, %0 + a cos), giving the ranges of the parameters 0 and 6. = For the surface Sph, defined in part (a), show that a vector surface element is given by ds a sin 0 [r (xo, Yo, zo)] dedo, and justify the sign convention associated with this normal vector. Hence evaluate the flux f = = G # G.dS Sph of the vector field G = (1,0, z²) out of the surface.
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