Secure https://session.masteringphysics.com/myct/itemView?assignmentProblemiD-82907086 HW20-Ch9 Exercise 9.20 previous 3 of 15 next Exercise 9.20 Part A A compact disc (CD) stores music in a coded What is the angular speed of the CD when scanning the innermost part of the track? pattern of tiny pits 10- m deep. The pits are arranged in a track that spirals outward toward the rim of the disc; the inner and outer radii of this spiral are 25.0 mm and 58.0 mm, respectively. As the disc spins inside a CD player, the track is scanned at a constant linear speed of 1.25 m/s. rad/s re Submit My Answers Give Up Part B What is the angular speed of the CD when scanning the outermost part of the track? rad/s Submit My Answers Give Up Part C The maximum playing time of a CD is 74.0 min. What would be the length of the track on such a maximum-duration CD if it were stretched out in a straight line? km