(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

A 12g CD with a radius of 6cm rotates with an angular speed of 38 rad/s. What is kinetic energy?

2. Relevant equations

k=1/2mv^2

v=rw

3. The attempt at a solution

v=(6)(38)=228

K=1/2(12)(228^2)

K=311904

but its saying this is the incorrect answer

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# Homework Help: Kinetic Energy in a CD

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