Concept explainers
As needed, use a computer to plot graphs of figures and to check values of integrals
For the disk
(a) the area of the disk;
(b) the centroid of one quadrant of the disk;
(c) the moment of inertia of the disk about a diameter;
(d) the circumference of the circle
(e) the centroid of a quarter circle arc.
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Mathematical Methods in the Physical Sciences
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