gc physics textbook chapter 5 problems (id: 856aa5ab3)

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

[问答题]
A car maintains a constant speed as it traverses the hill and vallexdj e 9nsi;9j8pau* 6d; pz dnt)y,kmg/5* luwy shown in Fig. 5–45. Both the hill and valley have a radius of curvature R. (a) How do the normal forces acting on the car at A, B, and C compare? (Which is largest? Smallest?) Explain. (b) Where would the driver feel heaviest? Lightest? Explain. (c) How fast can the car go without losing contact with th*w zlku/p)5m;d g,ny te road at A?

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