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Science · Physics
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A thin disk of radius R has a nonuniform density
σ = 3.8r 2,
where σ has units of kg/m2 when r is in meters. Derive an expression for the rotational inertia of this disk around an axis through its center and perpendicular to the disk's surface, assuming R is given in meters. (Use the following as necessary: R. Assume SI units. Do not include units in your answer.)

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