Posted by **maura ** on Sunday, November 4, 2012 at 9:30pm.

Three particles of masses 14 kg, 21 kg,

and 69 kg are located at the vertices of an equilateral triangle of sides 7 m.

A)Find the x-coordinate of the center of gravity of this system with respect to a coordinate system with origin at the 14 kg particle and with the 21 kg particle located on the positive y-axis. Answer in units of m

B)Find the y-coordinate of the center of gravity. Units of m

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