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

[问答题]
A sphere and a cylinder.e czu/e2c eh8 have the same radius and the same ma ay t07tl.you-ss. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greater speed at the bottom? Which has the greater total kinetic energy at tto-.7u 0yayl the bottom? Which has the greater rotational KE?

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