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A Texas cockroach of mass 0.131 kg runs counterclockwise around the rim of a lazy Susan (a circular disk mounted on a vertical axle) that has a radius 19.7 cm, rotational inertia 3.92 x 10-3 kg·m2, and frictionless bearings. The cockroach's speed (relative to the ground) is 2.19 m/s, and the lazy Susan turns clockwise with angular velocity ω0 = 3.09 rad/s. The cockroach finds a bread crumb on the rim and, of course, stops. What is the angular speed of the lazy Susan after the cockroach stops?

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