Suppose that a ring created by drilling a hole with radiusr through the center of a sphere of radius R. The volume of the ring is twice the volume obtained by rotating the area above axis and below the curve y = \R² – r² between x = r and x = R about the zaxis. Refer to Figure 1. yA „2 y=VR? – x² R x Figure 1. By using cylindrical shells method, compute the volume of the ring and express the answer in terms of h. [ Hint: Pythagorean Theorem, R² – r² = (;h)´ ] %3D [ Hint: S(27 · radius · high)dx ]

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter9: Surfaces And Solids
Section9.CR: Review Exercises
Problem 22CR
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Suppose that a ring created by drilling a hole with radiusr through the center
of a sphere of radius R. The volume of the ring is twice the volume obtained
by rotating the area above axis and below the curve y = VR? – r2
between x =r and x = R about the zaxis. Refer to Figure 1.
yA
y= VR? – x²
-
r
Figure 1.
By using cylindrical shells method, compute the volume of the ring and
express the answer in terms of h.
[ Hint: Pythagorean Theorem, R² – r² = (;h)" ]
[ Hint: S(27 · radius · high)dx ]
Transcribed Image Text:Suppose that a ring created by drilling a hole with radiusr through the center of a sphere of radius R. The volume of the ring is twice the volume obtained by rotating the area above axis and below the curve y = VR? – r2 between x =r and x = R about the zaxis. Refer to Figure 1. yA y= VR? – x² - r Figure 1. By using cylindrical shells method, compute the volume of the ring and express the answer in terms of h. [ Hint: Pythagorean Theorem, R² – r² = (;h)" ] [ Hint: S(27 · radius · high)dx ]
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