13 The surface mass density mass per unit area of a semi circular disc of radius R varies as t ax 7 where a is a constant vector

Question

13 The surface mass density mass per unit area of a semi circular disc of radius R varies as t ax 7 where a is a constant vector along positive x axis and is position vector with respect to origin It is kept on smooth horizontal surface with flat surface in contact with surface Now force F is applied in such a way that it moves translationally kf R 16 without any rotatic SRation The value of his then find value of k THE

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