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A 1.0 kg ball and a 2.0 kg ball are connected by a 1.3-m-long rigid, massless...

A 1.0 kg ball and a 2.0 kg ball are connected by a 1.3-m-long rigid, massless rod. The rod is rotating cw about its center of mass at 17 rpm .

What torque will bring the balls to a halt in 4.6 s ?

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