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

[问答题]
A sphere and a cylinder have the same raq xjemsc:l +/ezz+- -idius and the same m : v:a5n): zrw*amk8co-uitz cass. 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 kinetic energy at the bo u* :mn cc v)irwaaot5z-z8::kttom? Which has the greater rotational KE?

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