Determine what is the rotational inertia of the fly wheel

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Reference no: EM13554275

A block of mass m is attached to a cord that is wrapped around the rim of a flywheel of radius R and hangs vertically, as shown. If, when the block is released and the cord unwinds, the acceleration of the block is equal to g/4, what is the rotational inertia of the fly wheel?

answer is 3mR^2

Reference no: EM13554275

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