A string is wound around a uniform disk of radius R =10cm and mass m =12 kg. The disk starts from rest with the string in vertical and its top end tied to a fixed bar as shown in the figure. What is the speed (in m/s) of the center of mass of the disk after it descended through a distance h = 0.6m ? g = 10m/s? M O A. 8 O B. 12 O C. 3.5 D. 2.8

A string is wound around a uniform disk of radius R =10cm and mass m =12 kg. The disk starts from rest with the string in vertical and its top end tied to a fixed bar as shown in the figure. What is the speed (in m/s) of the center of mass of the disk after it descended through a distance h = 0.6m ? g = 10m/s? M O A. 8 O B. 12 O C. 3.5 D. 2.8

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 45PQ: A thin rod of length 2.65 m and mass 13.7 kg is rotated at anangular speed of 3.89 rad/s around an...

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