在平直的公路上有甲乙两辆车,甲车以a=0.5m/s2的加速度由静止开始行驶,乙在甲的前方Xo=200m处以Vo=5m/s的速度做同向的匀速运动,问:(1)甲何时追上乙?当甲追上乙时甲里出发点多远?(2)在
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/29 14:52:37
![在平直的公路上有甲乙两辆车,甲车以a=0.5m/s2的加速度由静止开始行驶,乙在甲的前方Xo=200m处以Vo=5m/s的速度做同向的匀速运动,问:(1)甲何时追上乙?当甲追上乙时甲里出发点多远?(2)在](/uploads/image/z/6654658-58-8.jpg?t=%E5%9C%A8%E5%B9%B3%E7%9B%B4%E7%9A%84%E5%85%AC%E8%B7%AF%E4%B8%8A%E6%9C%89%E7%94%B2%E4%B9%99%E4%B8%A4%E8%BE%86%E8%BD%A6%EF%BC%8C%E7%94%B2%E8%BD%A6%E4%BB%A5a%3D0.5m%2Fs2%E7%9A%84%E5%8A%A0%E9%80%9F%E5%BA%A6%E7%94%B1%E9%9D%99%E6%AD%A2%E5%BC%80%E5%A7%8B%E8%A1%8C%E9%A9%B6%EF%BC%8C%E4%B9%99%E5%9C%A8%E7%94%B2%E7%9A%84%E5%89%8D%E6%96%B9Xo%3D200m%E5%A4%84%E4%BB%A5Vo%3D5m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E5%81%9A%E5%90%8C%E5%90%91%E7%9A%84%E5%8C%80%E9%80%9F%E8%BF%90%E5%8A%A8%EF%BC%8C%E9%97%AE%EF%BC%9A%281%29%E7%94%B2%E4%BD%95%E6%97%B6%E8%BF%BD%E4%B8%8A%E4%B9%99%3F%E5%BD%93%E7%94%B2%E8%BF%BD%E4%B8%8A%E4%B9%99%E6%97%B6%E7%94%B2%E9%87%8C%E5%87%BA%E5%8F%91%E7%82%B9%E5%A4%9A%E8%BF%9C%EF%BC%9F%EF%BC%882%EF%BC%89%E5%9C%A8)
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