gc physics textbook chapter 5 problems (id: f194bd90b)

本题目来源于试卷: gc physics textbook chapter 5 problems，类别为 通用国际物理

[填空题]
At what minimum speedaeyn5n *ur(5 z must a rollzo nd*b+qhbg0j14td4er coaster be traveling when upside down at the *044b djbzh1qt+ogdn top of a circle
(Fig. 5-34) so that the passengers will not fall out? Assume a radius of curvature of 7.4 m .   

参考答案: 8.5±2%


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