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

[问答题]
A sphere and a cylinder have the same radius and the sf5fqn s, q2gv4ame mass. They startlg ui ly.g0e i/lw5( wjnw znl+-9k2y+ from rest at the top of an incline. Which reaches the bottom first? Which has the greater speed at the bottom? Which + g5jl92uiwy(lkzyi0/g n.w n lew- l+has the greater total kinetic energy at the bottom? Which has the greater rotational KE?

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