gc textbook chapter 8 Rotational Motion (id: 3f117a187)

[问答题]
Two solid spheres simultaneously start rojxi4.+u q qdd*lling (from o: yw-ck(.g;a*d tcaaz3j4r n rest) down an incline. One sphere has 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 k-ack(d 4y:3.jc; oa wrnt*ag zinetic energy at the bottom?

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