一质点沿 x 轴运动,它的速度 v 和时间 t 的关系如下图所示,在 0~ t 1 时间内,质点沿 x 轴( )( )运动,在 t 1 ~ t 2 时间内,质点沿 x 轴( )( )运动。
手机使用
分享
复制链接
新浪微博
分享QQ
微信扫一扫
微信内点击右上角“…”即可分享
反馈
参考答案:
举一反三
【简答题】Answer the questions(根据短文内容回答下列问题)(14分) Tony is reading an advertisement in a magazine. It is about different evening classes or weekend classes. The Learning Centre, Garden City We have evening and w...
【简答题】Trip1 The Green Mountain Bring your strong shoes for the hiking in a beautiful area of the Green Mountain. You can also find many kinds of wild animals living in this area. Time: May 8—May 14 ...