Answered: 12. A disc of radius 5 cm speeds up…

12. A disc of radius 5 cm speeds up from rest at a constant rate of 5 rad/s?. What is the final angular speed of the disc after 5 s? (2)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter8: Rotational Motion

Section: Chapter Questions

Problem 5STP

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Question

12. A disc of radius 5 cm speeds up from rest at a constant rate of 5 rad/s?. What is the final angular speed
of the disc after 5 s? (2)
(a) 15 rad/s
_(b) 25 rad /s
(c) 5 rad/s
(d) 10 rad/s

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