By what factor is the mass of the childs ball reduced

Reference no: EM13511006

A bowling ball made for a child has two thirds the radius of an adult bowling ball. They are made of the same material (and therefore have the same mass per unit volume).

(a) By what factor is the mass of the child's ball reduced compared with the adult ball?

(b) By what factor is the rotational inertia of the child's ball reduced compared with the adult ball?

Reference no: EM13511006

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