动点A从原点出发向数轴负方向运动,同时,动点B也从原点出发向数轴正方向运动,3秒后,两点相距15个单位长度.已知动点A、B的速度比是1:4.(速度单位:单位长度/秒)(1)求出两个动点运
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/30 04:32:03
![动点A从原点出发向数轴负方向运动,同时,动点B也从原点出发向数轴正方向运动,3秒后,两点相距15个单位长度.已知动点A、B的速度比是1:4.(速度单位:单位长度/秒)(1)求出两个动点运](/uploads/image/z/3951312-24-2.jpg?t=%E5%8A%A8%E7%82%B9A%E4%BB%8E%E5%8E%9F%E7%82%B9%E5%87%BA%E5%8F%91%E5%90%91%E6%95%B0%E8%BD%B4%E8%B4%9F%E6%96%B9%E5%90%91%E8%BF%90%E5%8A%A8%2C%E5%90%8C%E6%97%B6%2C%E5%8A%A8%E7%82%B9B%E4%B9%9F%E4%BB%8E%E5%8E%9F%E7%82%B9%E5%87%BA%E5%8F%91%E5%90%91%E6%95%B0%E8%BD%B4%E6%AD%A3%E6%96%B9%E5%90%91%E8%BF%90%E5%8A%A8%2C3%E7%A7%92%E5%90%8E%2C%E4%B8%A4%E7%82%B9%E7%9B%B8%E8%B7%9D15%E4%B8%AA%E5%8D%95%E4%BD%8D%E9%95%BF%E5%BA%A6%EF%BC%8E%E5%B7%B2%E7%9F%A5%E5%8A%A8%E7%82%B9A%E3%80%81B%E7%9A%84%E9%80%9F%E5%BA%A6%E6%AF%94%E6%98%AF1%EF%BC%9A4%EF%BC%8E%EF%BC%88%E9%80%9F%E5%BA%A6%E5%8D%95%E4%BD%8D%EF%BC%9A%E5%8D%95%E4%BD%8D%E9%95%BF%E5%BA%A6%2F%E7%A7%92%EF%BC%89%EF%BC%881%EF%BC%89%E6%B1%82%E5%87%BA%E4%B8%A4%E4%B8%AA%E5%8A%A8%E7%82%B9%E8%BF%90)
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