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

[问答题]
A sphere and a cylinder have the same radius 1t( jy1a f ybtjfx0.mw0c6i o)and the ms9x7+t2ksq 6)mkjx t9 c1npkg,hy *d same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which hs xysk2,qn*9hjdtck+pt1 m) gk76x m9as 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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