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 thfj8 ;jd*+pefue same height but make r(v)hz+pukgyhj ; 8j9 different angles with the horizontal. The same steel ball is rolled down each inclin(+;g8jh v)upyjhk zr9e. On which incline will the speed of the ball at the bottom be greater? Explain.

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