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 speed must a9f:tows(c* ky roller coast ki2,cuq1 c2cver be traveling when upside down at the t21 qcviu 2ckc,op 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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