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 xw /k tbl3g:hn*ig52wbut make different angles with the hori( s lu8;o-f)y*kkq bfpzontal. The same steel balpk)s*8ou( - bkqfly;fl is rolled down each incline. On which incline will the speed of the ball at the bottom be greater? Explain.

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