16 in. 20 in. r = 38 in. X
Advanced Engineering Mathematics
10th Edition
ISBN:9780470458365
Author:Erwin Kreyszig
Publisher:Erwin Kreyszig
Chapter2: Second-order Linear Odes
Section: Chapter Questions
Problem 1RQ
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Transcribed Image Text:Engin 50
HW 9
**Determine the volume and the surface area of the solid obtained by rotating the area of the given figure about the x-axis.**
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**Diagram Explanation:**
The diagram shows a shaded area that is a semicircle with a rectangular cutout from its base. The semicircle has a radius of \( r = 38 \) inches. The rectangular cutout has a height of 16 inches and a width of 20 inches.
- The semicircle is oriented with its flat side along the x-axis.
- The height of the cutout starts from the x-axis and extends upwards into the semicircle.
The task is to calculate the volume and surface area of the solid formed when this area is rotated around the x-axis.
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