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

[问答题]
A sphere and a cylinder have the same radiu *t ;fuxgma.j7s and tzzgws wp1w 9f(t1 r+r14l qx(xhe same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greater speed at the bottom? Which has the greater total kiw(x4p1zlxw91zqgt (swfr+1 rnetic energy at the bottom? Which has the greater rotational KE?

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