ch09-p001 - 1. We use Eq. 9-5 to solve for ( x3 , y3 ). (a)...

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1. We use Eq. 9-5 to solve for 33 (, ) . x y (a) The x coordinates of the system’s center of mass is: () ( ) 3 11 2 2 com 123 (2.00 kg)( 1.20 m) 4.00 kg 0.600 m 3.00 kg 2.00 kg 4.00 kg 3.00 kg 0.500 m. x mx x mmm −+ + ++ == + + =− Solving the equation yields x 3 = –1.50 m. (b) The y coordinates of the system’s center of mass is:
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