本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified
[问答题]
Two solid spheres simd 94n ,npc5w .fuok(lpultaneously(u ibx *dvq+n)mv0b7s start rolling (from rest) down an incline. One sphere has twice the radius and twice the mass of thvbb0+ qx*v7s iumdn( )e other. Which reaches the bottom of the incline first? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?
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