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

[问答题]
A sphere and a cylinder -dx l-pt+f1zs+*s lt xhave the same radius and the same mass. They start frgj uyx01az ua+ r/z7,qom 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 hau1aya zq /,z0 7+xurjgs the greater rotational KE?

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