The platform of a merry go round has a radius of 1.4 meters and a mass of 170 kg. You have lunch on it while spinning where you have a mass of 73 kg, and you sit at a distance 0.83 meters from the center of the platform. A large squirrel (mass = 1.2 kg) sits nearby (0.32 m from the center of the platform) as it looks at your lunch. What is the total rotational inertia of this system of the platform, you, lunch, and the hungry squirrel with respect to the vertical axis of rotation?

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