Solution to task 422 from Chertov's for extramural stud

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• A disk with a radius of R = 8 cm carries a charge uniformly distributed over the surface (σ = 100 nC / m2). Determine the magnetic moment pm due to the rotation of the disk relative to the axis passing through its center and perpendicular to the plane of the disk. The angular speed of rotation of the disk is ω = 60 rad / s.