A disk of moment of inertia 80 kg.m² is free to rotate about its axis (through the center, perpendicular to the plane of the disk, which is set vertical). To increase its angular velocity uniformly from rest to 5.0 rad/s in 20.0 s, the torque applied is A) 8.0 * 10³ N.m. B) 3.2 *10² N.m. C) 20 N.m. D) 32 N.m. E) 0.80 N.m.

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The Answer of A disk of moment of inertia 80 kg.m² is free to rotate about its axis (through the center, perpendicular to the plane of the disk, which is set vertical). To increase its angular velocity uniformly from rest to 5.0 rad/s in 20.0 s, the torque applied is A) 8.0 * 10³ N.m. B) 3.2 *10² N.m. C) 20 N.m. D) 32 N.m. E) 0.80 N.m.

A Disk of Moment of Inertia 80 Kg