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

[问答题]
Two solid spheres simultaneously start rollinmx+5el l ju/)xg (from rest) down: b ro,nt3. g*ki,xpoj an incline. One sphere has twice the radius and twice the mass of the other. Which reaches the bottom gpi*:,tnb. 3o ox, rjkof the incline first? Which has the greater speed there? Which has the greater total kinetic energy at the bottom?

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