本题目来源于试卷: gc textbook chapter 8 Rotational Motion,类别为 通用国际物理
[问答题]
A sphere and a cylinder have the same rac ynz m+:0v *4t*q)izobid hr4diu2m 8e;xmpk:yg) vb ; kv0n+dt)rfny x1s and the same mass. They start from rest at the top of an incline. Which reaches the bottom first? Which has the greater nv vtyk)ndex ;;fykpr8:bmxg1m) 2+0speed at the bottom? Which has the greater total kinetic energy at the bottom? Which has the greater rotational KE?
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