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

[问答题]
A sphere and a cylinder have the same radius and t pt9uzk 3/ kd-yt2xx6/*ntohahe sameopmj3 a1s6v5n ;j1fu y mass. They start from rest at the top of an inclinfv npsa6y1;j5j um3 o1e. 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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