A uniform 2-kg solid disk of radius R=0.4m is free to rotate on a frictionless horizontal axle through its center. The disk is initially at rest, and then a 10-g bullet traveling at 560 m/s is fired into it as shown in the figure below.   Part A: If the bullet embeds itself in the disk at a vertical distance of 0.2 m above the axle, what will be the angular velocity of the disk? Express your answer in radians per second

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Torque

Torque is the rotational equivalent of linear force in physics and mechanics. Based on the course of study, it is also known as the moment of force, rotational force, or turning effect.