gc textbook chapter 7 Linear Momentum (id: 5e345fbaa)

本题目来源于试卷: gc textbook chapter 7 Linear Momentum，类别为 通用国际物理

[填空题]
A 12,600-kg railroad car traa4 twlxjpv07*vels alone on alevel frictionless trac7233fw6 czfjcr5xo v qjsr88pk with a constanw6fsozpc7xjj 32 588rcq3vr ft speed of 18m/s A 5350-kg load,initially at rest, is dropped onto the car. What will be the car’s new speed?    m/s

参考答案: 12.6±2%


本题详细解析:

微信扫一扫，分享更方便