new new new new (id: 856aa5ab3)

本题目来源于试卷: new new new new，类别为 IB物理学

[问答题]
A car maintains a constant speed as it tra0lr9 *6jrav)m/cwd g4 lehn 7/ j7nb thngp9n1verses the hill 2e ew a(s u4qcne li.5og7*8tnand valley 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? Lighn weoge8t5q u 4lias *7nc(e.2test? Explain. (c) How fast can the car go without losing contact with the road at A?

参考答案:



本题详细解析: 暂无

微信扫一扫，分享更方便