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The moment of inertia of a body is 3.0 kgm^2. When its angular velocity is 6.0 rad/s, what is its rotational kinetic energy in Joules?
 one year ago
 one year ago
The moment of inertia of a body is 3.0 kgm^2. When its angular velocity is 6.0 rad/s, what is its rotational kinetic energy in Joules?
 one year ago
 one year ago

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henpenBest ResponseYou've already chosen the best response.1
\[I=3\]\[w=6\]\[KE_{rotational}=\frac{Iw^2}{2}\] Notice how this is exactly the same as linear KE, but m > I and v > w
 one year ago

jlwebb93Best ResponseYou've already chosen the best response.0
Thanks for your help, again.
 one year ago
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