gc physics textbook chapter 6 problems (id: 3ed200453)

本题目来源于试卷: gc physics textbook chapter 6 problems，类别为 IB物理学

[填空题]
Suppose the roller coaster. a5qbvyp2b7 m in Fig. 6–41 passes point 1 wit8 i3r)g mxtpx9h a speed of If the average force of friction is equal to one-fi3xgt9rp)xm 8 ifth of its weight, with what speed will it reach point 2? The distance traveled is 45.0 m. $\approx$    m/s

参考答案: 23±2%


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