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

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A sphere and a cylinder have the)laav2s7 ) p k0)b 0tn.hflx+nwo ; 4bb;wdgyj same radius an.kq )(, d.fp*je)jfbv s (stlxd the same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greater speed at (ljqt)p,sxs fkvfd(* ..)j ebthe bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?

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