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23 Nov 2019

IP A 12g CD with a radius of 6.0 cm rotates with an angular speedof 39 rad/s.

What is its kinetic energy?
Express your answer using two significant figures.
K =

What angular speed must the CD have if its kinetic energy is to bedoubled?
Express your answer using two significant figures.


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Jean Keeling
Jean KeelingLv2
22 Jun 2019

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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