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

[问答题]
A sphere and a cylinder have the same radius and the same mass. They fy ( r0hqh+)k*7rdk3xvhj: eystart fkgc/ (tvub. )heizt71uqj as; q(7d 3xrom rest at the top of an incline. Which reaches the b;q)stt1 q .cezgax7u( hd(3ukv/bi j 7ottom first? Which has the 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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