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

[问答题]
A sphere and a cylinder have the same radius and thf1f )by.cb(l jvwt)d,v5vjj5hs7g;qe same maq b-gh/ y,*njjss. 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 to n*,/h-qjybg jtal kinetic energy at the bottom? Which has the greater rotational KE?

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