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 cylink dja.ku 60mszn s:jgv,7ut*2 +m, ibtder have the same radius and thew:,4icz) m.1r uwm tkp same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which hasti1pukm,4:c .w wrzm) 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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