Calculus (3rd Edition)

Published by W. H. Freeman
ISBN 10: 1464125260
ISBN 13: 978-1-46412-526-3

Chapter 9 - Further Applications of the Integral and Taylor Polynomials - 9.3 Center of Mass - Exercises - Page 483: 20

Answer

$(\frac{6}{15}, \frac{1}{2})$

Work Step by Step

$M_{x}$ = $\frac{1}{2}\int_0^1{(x-x^{2})}dx$ = $\frac{1}{12}$ $M_{y}$ = $\int_0^1{x(\sqrt x-x)}dx$ = $\frac{1}{15}$ $A$ = $\int_0^1{(\sqrt x-x)}dx$ = $\frac{1}{6}$ so the coordinates of the centroid are $(\frac{6}{15}, \frac{1}{2})$
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