Problem 725 Repeat Problem 239 without using integration.
Solution 725
$R = \frac{2}{3}bh = \frac{2}{3}(16)(360)$
$R = 3840 \, \text{ lb}$ answer
$\bar{x} = \text{ centroid of parabola}$
$x = \frac{3}{5}h = \frac{3}{5}(16)$
$x = 9.6 \, \text{ ft}$ answer
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