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 cylindefk2u/m sl xq)9r have the same radius and the same mass. )u,i r/nze(yp 1dedz- loh)+ tThey start from rest at the top of an incline. Which reaches the t 1h- p)+dn/eu),id(le zoyrzbottom first? Which has 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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