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A turntable (disk) of radius r = 26.5 cm and rotational inertia 0.395 kg m 2 rotates with an angular speed of 2.80 rad/s

A turntable (disk) of radius

r = 26.5 cm

and rotational inertia

0.395 kg · m²

rotates with an angular speed of 2.80 rad/s around a frictionless, vertical axle. A wad of clay of mass

m = 0.242 kg

drops onto and sticks to the edge of the turntable. What is the new angular speed of the turntable?

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