The disk with mass m = 2.5 kg and radius r= 20 cm rotates like a merry-go-round under the torque given by t% (0.4+0.5t) Nm. At t-D0 the initial angular velocity of disk is 5 rad/s and initial angular position of reference line on the disk is 5 rad, determine the angular position of disk in radians at t= 2 s. (I disk.COM = 1/2 mr") Select one: a. 15.7 rad b. 70.7 rad C. 12.3 rad d. 42.1 rad

The disk with mass m = 2.5 kg and radius r= 20 cm rotates like a merry-go-round under the torque given by t% (0.4+0.5t) Nm. At t-D0 the initial angular velocity of disk is 5 rad/s and initial angular position of reference line on the disk is 5 rad, determine the angular position of disk in radians at t= 2 s. (I disk.COM = 1/2 mr") Select one: a. 15.7 rad b. 70.7 rad C. 12.3 rad d. 42.1 rad

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter13: Rotation Ii: A Conservation Approach

Section: Chapter Questions

Problem 73PQ: A uniform disk of mass m = 10.0 kg and radius r = 34.0 cm mounted on a frictionlessaxle through its...

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