Determine the coordinates of the centroid of the shaded area shown. Also, determine the volume of metal that should be melted in order to cast the plate when the shaded figure is revolved about the y - axis. Compute for the surface area of the plate to estimate the amount of coating material required to prevent corrosion.

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Determine the coordinates of the centroid of the shaded area shown. Also, determine
the volume of metal that should be melted in order to cast the plate when the shaded
figure is revolved about the y - axis. Compute for the surface area of the plate to
estimate the amount of coating material required to prevent corrosion.
26
y - axis (mm)
R10
8
x - axis (mm)
Answers: i = 38.6169 mm;ỹ = 25.30 mm; SA = 34,577.6131 mm?; V = 136, 373.2543 mm3
R25
15
Transcribed Image Text:Determine the coordinates of the centroid of the shaded area shown. Also, determine the volume of metal that should be melted in order to cast the plate when the shaded figure is revolved about the y - axis. Compute for the surface area of the plate to estimate the amount of coating material required to prevent corrosion. 26 y - axis (mm) R10 8 x - axis (mm) Answers: i = 38.6169 mm;ỹ = 25.30 mm; SA = 34,577.6131 mm?; V = 136, 373.2543 mm3 R25 15
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