gc textbook chapter 8 Rotational Motion (id: 5f0a4a15a)

[问答题]
A sphere and a cylinj,; judj42m/jl fr.znkr b17smj-i 5;e/ga nqder have the same radius and the same a/xc:p 7d(pnwmass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greater speed at the bottom?ac7:/ xpnwpd ( Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?

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