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October 24, 2014

Homework Help: Physics

Posted by Jeremy on Monday, June 11, 2012 at 3:39pm.

Young acrobats are standing still on a circular horizontal platform suspended at the center. The origin of the two-dimensional Cartesian coordinate system is assumed to be at the center of the platform. A 30-kg acrobat is located at (4 m, 9 m), and a 36-kg acrobat is located at (−2 m, −2 m). Assuming that the acrobats stand still in their positions, where must a 20-kg acrobat be located so that the center of mass of the system consisting of the three acrobats is at the origin and the platform is balanced?

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