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

[问答题]
A sphere and a cylinder havem ppcqxy9s, xo+9.+l*z0 wgno the same radius and the sam /zzu3 ; i;t0lg;ssqnoe mass. 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 the bottom? Which qiouzsn;t3zs ; /;lg0 has the greater rotational KE?

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