ch09-p002 - 2. Our notation is as follows: x1 = 0 and y1 =...

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2. Our notation is as follows: x 1 = 0 and y 1 = 0 are the coordinates of the m 1 = 3.0 kg particle; x 2 = 2.0 m and y 2 = 1.0 m are the coordinates of the m 2 = 4.0 kg particle; and, x 3 = 1.0 m and y 3 = 2.0 m are the coordinates of the m 3 = 8.0 kg particle. (a) The x coordinate of the center of mass is () ( ) ( ) 11 2 2 33 com 123 0 4.0 kg 2.0 m 8.0 kg 1.0 m 1.1 m. 3.0 kg 4.0 kg 8.0 kg mx x mmm ++ == = + + (b) The y coordinate of the center of mass is ( ) ( ) com 0 4.0 kg 1.0 m
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