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 same): nny3 pz4ypdkj(+h 8jjjfm7  rsoh+1vf6s1u/m  c hli+adius and the same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greathom/1ssvi 6c h 1+f+luer speed at the bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?
 
  
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