4) The bottom of a 3-dimensional solid object is the region in the xy plane inside the ellipse given by the equation x² +9y² = 9. Cross sections of the solid taken perpendicular to the y axis form semi-circles where the diameter of the semi-circle lies in the xy plane and the semi-circle itself is above the xy plane. (A semi-circle is one half of a circle.) Find the volume of this object.

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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4)
Set up and simply the
gral only. Do not
The bottom of a 3-dimensional solid object is the region in the xy plane inside the ellipse
given by the equation x² +9y² = 9. Cross sections of the solid taken perpendicular to
the y axis form semi-circles where the diameter of the semi-circle lies in the xy plane and
the semi-circle itself is above the xy plane. (A semi-circle is one half of a circle.)
Find the volume of this object.
give
Find the arc length of
V2
1
for
r [12]
Transcribed Image Text:4) Set up and simply the gral only. Do not The bottom of a 3-dimensional solid object is the region in the xy plane inside the ellipse given by the equation x² +9y² = 9. Cross sections of the solid taken perpendicular to the y axis form semi-circles where the diameter of the semi-circle lies in the xy plane and the semi-circle itself is above the xy plane. (A semi-circle is one half of a circle.) Find the volume of this object. give Find the arc length of V2 1 for r [12]
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