物体做初速度为0的匀变速直线运动,当t=0时,物体的速度大小为12m/s,方向向东,当t=2s时,物体的速度大小维8m/s,方向任为东,则当物体的速度大小为2m/s时,t的值为?
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/13 03:35:40
![物体做初速度为0的匀变速直线运动,当t=0时,物体的速度大小为12m/s,方向向东,当t=2s时,物体的速度大小维8m/s,方向任为东,则当物体的速度大小为2m/s时,t的值为?](/uploads/image/z/3623896-64-6.jpg?t=%E7%89%A9%E4%BD%93%E5%81%9A%E5%88%9D%E9%80%9F%E5%BA%A6%E4%B8%BA0%E7%9A%84%E5%8C%80%E5%8F%98%E9%80%9F%E7%9B%B4%E7%BA%BF%E8%BF%90%E5%8A%A8%2C%E5%BD%93t%3D0%E6%97%B6%2C%E7%89%A9%E4%BD%93%E7%9A%84%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BA12m%2Fs%2C%E6%96%B9%E5%90%91%E5%90%91%E4%B8%9C%2C%E5%BD%93t%3D2s%E6%97%B6%2C%E7%89%A9%E4%BD%93%E7%9A%84%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E7%BB%B48m%2Fs%2C%E6%96%B9%E5%90%91%E4%BB%BB%E4%B8%BA%E4%B8%9C%2C%E5%88%99%E5%BD%93%E7%89%A9%E4%BD%93%E7%9A%84%E9%80%9F%E5%BA%A6%E5%A4%A7%E5%B0%8F%E4%B8%BA2m%2Fs%E6%97%B6%2Ct%E7%9A%84%E5%80%BC%E4%B8%BA%3F)
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