gc textbook chapter 2 Kinematics in One Dimension (id: e9767724c)

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 horse canters away frog2 cpaq:2 qv3sm its trai9c580as-jzq 1 qc jmjk8c/e ysner in a straight line, moving 116 m away in 14.0 s. It then turns abruptly and gallops halfway back in 4.8 jk8 a-8j/mq0z e1sc s9cjy5 qcs. Calculate
(a) its average speed    m/s
(b) its average velocity for the entire trip, using “away from the trainer” as the positive direction.    m/s

参考答案:
空格1: 9.26±2%  空格2: 3.1±2% 


本题详细解析:

微信扫一扫，分享更方便