derive an expression for moment of inertia?
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Explanation:
Basically, for any rotating object, the moment of inertia can be calculated by taking the distance of each particle from the axis of rotation (r in the equation), squaring that value (that's the r2 term), and multiplying it times the mass of that particle.
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Answer:
where A is the angular acceleration (i.e. the rate at which the angular velocity of the rod is changing)
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