一小球以5米/秒的速度开始向前滚动,并且均匀减速滚动5米后小球停小来,如果小球滚动到3米时约用了x秒,求方写出为什么这么列.
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/13 09:23:51
![一小球以5米/秒的速度开始向前滚动,并且均匀减速滚动5米后小球停小来,如果小球滚动到3米时约用了x秒,求方写出为什么这么列.](/uploads/image/z/6092640-0-0.jpg?t=%E4%B8%80%E5%B0%8F%E7%90%83%E4%BB%A55%E7%B1%B3%2F%E7%A7%92%E7%9A%84%E9%80%9F%E5%BA%A6%E5%BC%80%E5%A7%8B%E5%90%91%E5%89%8D%E6%BB%9A%E5%8A%A8%2C%E5%B9%B6%E4%B8%94%E5%9D%87%E5%8C%80%E5%87%8F%E9%80%9F%E6%BB%9A%E5%8A%A85%E7%B1%B3%E5%90%8E%E5%B0%8F%E7%90%83%E5%81%9C%E5%B0%8F%E6%9D%A5%2C%E5%A6%82%E6%9E%9C%E5%B0%8F%E7%90%83%E6%BB%9A%E5%8A%A8%E5%88%B03%E7%B1%B3%E6%97%B6%E7%BA%A6%E7%94%A8%E4%BA%86x%E7%A7%92%2C%E6%B1%82%E6%96%B9%E5%86%99%E5%87%BA%E4%B8%BA%E4%BB%80%E4%B9%88%E8%BF%99%E4%B9%88%E5%88%97.)
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