gc textbook chapter 8 Rotational Motion (id: a70a0909a)

[问答题]
Two inclines have the samej5t)1s a fy(6b -rgzbf height but make different 1 xv9v/ 1bwlxydow;a)7eth)rangles with the horizontal. The same steel ball is rolled down each incline. On which incline will the speed of xw1rvx1vb d9w h)/)aoty 7;le the ball at the bottom be greater? Explain.

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