Two small 6-kg masses are joined by a string, which can be assumed to be massless. The string has a tangle in it, as shown in the figure. With the string tangled, the masses are separated by 1 m. Ihe two masses are then made to rotate about their center of mass on a frictionless table at a rate of 5 rad/s. As they are rotating, the string untangles and lengthens to 1.40 m. What is the angular velocity of the masses after the string untangles?

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