gc textbook chapter 8 Rotational Motion (id: 5f0a4a15a)

[问答题]
A sphere and a cylinder have the saq g:rvga 1wn);me rasjwfo bno:* d+m(s;t .dius and the same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the:oj;t d(fs sw+*mno .b greater speed at the bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?

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