A man of mass 60 kg sits on a fixed platform of mass 100 kg. With what angular velocity will the platform rotate if a person moves in a circle with a radius of 5 m around the axis of rotation? The speed of human movement relative to the platform is 3.6 km/h. Platform radius R2 = 10 m. Consider the platform as a homogeneous disk, and the person as a point mass.

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