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A block of mass 300g is attached to the ceiling by spring that has a force constant k=200N/mconducting massless rod is rigidly attached to the block and can slide without friction alon vertical parallel rails which are adistance L=1cm apart. A capacitor of known C=500muF attached to the rails by the wire and the entire system is kept in magnetic field B=20cm perpendicular to plane of paper inwards. Neglect the self inductance to plane of paper inwards. Negect self inductance and electrical resistance of all wire and rod. In 'omega' is angular frequency (in rad/sec) vertical oscillaitons of block i then (omega)/(10) is equal to

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