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

[问答题]
Two solid spheres simultaneously su:g;xu yc cv)k 2ul+:fo(o ryc vgrv*-ph:b): l*tga1tart rolling (from rest) down an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the boc(*o:bhvgap*vy -t)rog l: 1rttom of the incline first? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?

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