本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 unclassified
[问答题]
Two solid spheres simultaneously start rolling (from restf9rv km4nrlby2 sr9g3-.ttcc3c,k/u ) down,3cuwhnd/ f4t an incline. One sphere ,/wd3 tfhu4 nchas twice the radius and twice the mass of the 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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