A disk is free to rotate about an axis perpendicular to the disk through its center

PHYSICS · Single correct · CBSE · Physics · System of Particles and Rotational Motion · System of Particles and Rotational Motion

Problem

14. a disk is free to rotate about an axis perpendicular to the disk through its center. If the disk starts from rest and accelerates uniformly at the rate of 3 radians /s2/ \mathrm{s}^{2} for 4 s , its angular displacement during this time is (A) 6 radians (B) 12 radians (C) 18 radians (D) 24 radians (E) 48 radians

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