A drumlin is an oval hill composed of relatively soft soil that was deposited beneath glacial ice. Computer analysis showed that the surface of a certain drumlin can be approximated by y = 30(1 – 0.0004x2) revolved 180° about the X-axis from x = - 50 to x = 50. See the figure to the right. Find the volume (in m³) of this drumlin.
A drumlin is an oval hill composed of relatively soft soil that was deposited beneath glacial ice. Computer analysis showed that the surface of a certain drumlin can be approximated by y = 30(1 – 0.0004x2) revolved 180° about the X-axis from x = - 50 to x = 50. See the figure to the right. Find the volume (in m³) of this drumlin.
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
Section9.3: Cylinders And Cones
Problem 6E: Suppose that r=12 cm and h=15 cm in the right circular cylinder. Find the exact and approximate a...
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Transcribed Image Text:A drumlin is an oval hill composed of relatively soft soil that was deposited beneath glacial ice. Computer analysis showed that the
surface of a certain drumlin can be approximated by y = 30(1 - 0.0004x) revolved 180° about the x-axis from x = - 50 to x= 50. See
the figure to the right. Find the volume (in m) of this drumlin.
y=30 (1-0.0004x')
100 m
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