Aflat disk, a solid sphere, and a hollow sphere each have the same mass m and radius r. the three objects are arranged so that an axis of rotation passes through the center of each object. the rotation axis is perpendicular to the plane of the flat disk. which of the three objects has the largest moment of inertia?

so largest moment of inertia is for Hollow Sphere

Explanation:

Moment of inertia flat disc is given as

moment of inertia of solid sphere

moment of inertia of hollow sphere

all the three objects are given with same mass and same radius

so largest moment of inertia is for Hollow Sphere

i think it’s a. this is because if they measured the mass of something with a mass of 150g, then their final answer would have to be approximately 150g. though all of their answers are almost 150, rosa and tran have the closest answers (or the exact answer) to the accurate one.