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

[问答题]
A sphere and a cylinder have the(ypf, a+ vrg2n same rad8 )kv to/b3xazius and the 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 /tv 8 zkxob)a3greater total kinetic energy at the bottom? Which has the greater rotational KE?

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