ashlynnjune2177 ashlynnjune2177

13-11-2017
Physics

contestada

F an object has a moment of inertia 28 kg·m2 and rotates with an angular speed of 106 radians/s, what is its rotational kinetic energy

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mokatoken mokatoken

13-11-2017

I'm assuming by angular speed you mean angular velocity. So the formula for rotational kinetic energy is 0.5*I*w, so 0.5*28*(106^2)=157304. It's really high but I guess that makes sense because of how high the angular velocity is.

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