A thin hoop of mass and radius is rigidly attached to a solid disk of mass and the…

PHYSICS · Subjective · AP · Physics 1: Algebra-based · Torque and Rotational Dynamics · Torque and Rotational Dynamics

Problem

A thin hoop of mass 0.80 kg0.80\,\text{kg} and radius 0.25 m0.25\,\text{m} is rigidly attached to a solid disk of mass 1.5 kg1.5\,\text{kg} and the same radius. Calculate the rotational inertia of the combined object about the common central axis. Express your answer with two significant figures.

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