# Chapter 9 - Section 9.1 - Center of Mass - Example - Page 152: 9.2

#### Work Step by Step

There are equal amounts of the object on either side of the y-axis. Thus, we see that the x center of mass is 0. We now find the y coordinate of the center of mass: $y_{cm} = \frac{my_1 + my_3}{4m} = \frac{y_1}{2m}= \frac{\sqrt{3}L}{4}$

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