gc textbook chapter 2 Kinematics in One Dimension (id: cb308ace4)

本题目来源于试卷: gc textbook chapter 2 Kinematics in One Dimension，类别为 IB物理学

[填空题]
A 95-m-long train be/h8 s,egoi)rk :yl 4ox.(opo1eb4fcygins uniform acceleration fd790oon3w l*ltz jr0 o5j,x tfrom rest. The front of the train has a speed of 25 m/s when it passes a railway worker who is stljjl5*7o3 t o nfr d0x0oz,tw9anding 180 m from where the front of the train started. What will be the speed of the last car as it passes the worker? (See Fig. 2–38.)    m/s

参考答案: 31±2%


本题详细解析:

微信扫一扫，分享更方便