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

[问答题]
A sphere and a cylinder have th: utbyba,k1;oe same radius and the same +ysq vwt9 +qt:dse4o9n:bw6; xbcf-rmass. 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 hrwo f6+:q4- e9twq bstncv:y9sb;xd+as the greater rotational KE?

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