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

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
A sphere and a cylinder have the same btrid::(h1bwradiuexu f9nev3c 1fb(c dy8):my w4s and the same mass. They start from rest at the top of an ince 3cwv9 bey4d :(fmc8 fuyxn)1line. Which reaches the bottom first? Which has the greater speed at the bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?

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