A disk slides toward a motionless stick on africtionless surface (figure below). The disk strikesand adheres to the stick and they rotate together,pivoting around the nail. Angular momentum isconserved for this inelastic collision because thesurface is frictionless and the unbalanced externalforce at the nail exerts no torque.BeforeNail (pivot)(b)Consider a situation where the disk has a mass of52.4 g and an initial velocity of 33.8 m/s when itstrikes the stick that is 1.37 m long and 2.01 kg at adistance of 0.100 m from the nail.Aftera. What is the angular velocity (in rad/s) of thetwo after the collision? (Enter the magnitude.)rad/sb. What is the kinetic energy (in J) before andafter the collision?K before=p before=kg.m/sK after=c. What is the total linear momentum (in kg.m/s) before and after the collision? (Enter themagnitude.)p after=kg.m/s

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