3) . Find the centroid of the upper half of a sphere of radius 1, that is, of the set of points in R3 where x² + y² + z² = 1 and z > 0. Use symmetry and geometry.

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter9: Systems Of Equations And Inequalities
Section: Chapter Questions
Problem 12T
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3)
Find the centroid of the upper half of a sphere of radius 1, that is, of
the set of points in R³ where x² + y² + z² = 1 and z > 0. Use symmetry and
geometry.
Formulas:
SS F(x, y, z)dS = SS f(x, y, z)
||Vh||
-dA
%3D
|Vh · k|
S
D
SSF nds = SS
F.Vh
-dA
|Vh · k|
S
D
Area (cylinder)=2rrh
Volume (Cylinder)=rr²h
Area (Sphere)=4ar²
Volume (Sphere)=Tr³
Theorems:
ƒF•dF = S[s(V×F). Tds
f\beg
|end
SVf •d7
de'
)dA
ду
ӘР.
SPdx + Qdy = [Sp(;
Transcribed Image Text:3) Find the centroid of the upper half of a sphere of radius 1, that is, of the set of points in R³ where x² + y² + z² = 1 and z > 0. Use symmetry and geometry. Formulas: SS F(x, y, z)dS = SS f(x, y, z) ||Vh|| -dA %3D |Vh · k| S D SSF nds = SS F.Vh -dA |Vh · k| S D Area (cylinder)=2rrh Volume (Cylinder)=rr²h Area (Sphere)=4ar² Volume (Sphere)=Tr³ Theorems: ƒF•dF = S[s(V×F). Tds f\beg |end SVf •d7 de' )dA ду ӘР. SPdx + Qdy = [Sp(;
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