本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 IB物理学
[问答题]
A sphere and a cylinder 1q0yii -5kk :xd n5hwzhave the same radius and the same mass. T,ec.cr g pudesylru x :10(43ohey start from rest at the top of an incline.,gcrr cs4odye0x :(up1 ue3 .l Which reaches the bottom 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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