Starting from rest, a 12-cm-diameter compact disk takes 3.5 s to reach its operating angular velocity of 2000 rpm. Assume that the angular acceleration is constant. The disk's moment of inertia is 2.5 x 10-5 kg m². Part A How much torque is applied to the disk? Express your answer to two significant figures and include the appropriate units.

Starting from rest, a 12-cm-diameter compact disk takes 3.5 s to reach its operating angular velocity of 2000 rpm. Assume that the angular acceleration is constant. The disk's moment of inertia is 2.5 x 10-5 kg m². Part A How much torque is applied to the disk? Express your answer to two significant figures and include the appropriate units.

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter12: Rotation I: Kinematics And Dynamics

Section: Chapter Questions

Problem 25PQ

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