Question

Consider four objects, each having the same mass and the same radius:
1) a solid sphere
2) a hollow sphere
3) a flat disk in the x,yplane
4) a hoop in the x,yplane
The order of increasing rotational inertia about an axis through the center of mass and parallel to the zaxis is:
A) 1, 2, 3, 4
B) 4, 3, 2, 1
C) 1, 3, 2, 4
D) 4, 2, 3, 1
E) 3, 1, 2, 4

Answer

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