The figure below shows three 0.0150 kgparticles that have been glued to a rod of length L =5.20 cm and negligible mass. Theassembly can rotate around a perpendicular axis through pointO at the left end.
(a) Assume one particle (that is, 33% of themass) is removed. By what percentage does the rotational inertia ofthe assembly around the rotation axis decrease when that removedparticle is the innermost one?

(b) What is the percentage decrease when that removed particle isthe outermost one?


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