甲乙两运动员在训练交接棒的过程中发现:甲经短距离加速后能保持9 m/s的速度跑完全程;乙从起跑后到接棒前的运动是匀加速的,为了确定乙起跑的时机,需在接力区前适当的位置设置标记,
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/18 21:49:54
![甲乙两运动员在训练交接棒的过程中发现:甲经短距离加速后能保持9 m/s的速度跑完全程;乙从起跑后到接棒前的运动是匀加速的,为了确定乙起跑的时机,需在接力区前适当的位置设置标记,](/uploads/image/z/5579761-49-1.jpg?t=%E7%94%B2%E4%B9%99%E4%B8%A4%E8%BF%90%E5%8A%A8%E5%91%98%E5%9C%A8%E8%AE%AD%E7%BB%83%E4%BA%A4%E6%8E%A5%E6%A3%92%E7%9A%84%E8%BF%87%E7%A8%8B%E4%B8%AD%E5%8F%91%E7%8E%B0%EF%BC%9A%E7%94%B2%E7%BB%8F%E7%9F%AD%E8%B7%9D%E7%A6%BB%E5%8A%A0%E9%80%9F%E5%90%8E%E8%83%BD%E4%BF%9D%E6%8C%819+m%2Fs%E7%9A%84%E9%80%9F%E5%BA%A6%E8%B7%91%E5%AE%8C%E5%85%A8%E7%A8%8B%EF%BC%9B%E4%B9%99%E4%BB%8E%E8%B5%B7%E8%B7%91%E5%90%8E%E5%88%B0%E6%8E%A5%E6%A3%92%E5%89%8D%E7%9A%84%E8%BF%90%E5%8A%A8%E6%98%AF%E5%8C%80%E5%8A%A0%E9%80%9F%E7%9A%84%2C%E4%B8%BA%E4%BA%86%E7%A1%AE%E5%AE%9A%E4%B9%99%E8%B5%B7%E8%B7%91%E7%9A%84%E6%97%B6%E6%9C%BA%2C%E9%9C%80%E5%9C%A8%E6%8E%A5%E5%8A%9B%E5%8C%BA%E5%89%8D%E9%80%82%E5%BD%93%E7%9A%84%E4%BD%8D%E7%BD%AE%E8%AE%BE%E7%BD%AE%E6%A0%87%E8%AE%B0%2C)
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