gc textbook chapter 8 Rotational Motion (id: a70a0909a)

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本题目来源于试卷: gc textbook chapter 8 Rotational Motion，类别为 unclassified

[问答题]
Two inclines have the same height butiqyqe :h/9b zj vc)edjz 44,;x make different angl dgv+;nn-sqy.mh,+8 jg-jtab es with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of the ball at thehm;-n.+abv g q8dsj,-+ gyn jt bottom be greater? Explain.

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