‍在匀速直线运动中，设物体的路程<img src="https://static.zxtiku.com/wangke/imgs/topic/d58248a2e38d8354f2ec279950f9614d.png"/>与时间<img src="https://static.zxtiku.com/wangke/imgs/topic/591ec9aff39ac2e8842bdcc7931b14e2.png"/>的关系式为<img src="https://static.zxtiku.com/wangke/imgs/topic/43fde5a0bc7cffe7729679b93dafc541.png"/>，则<img src="https://static.zxtiku.com/wangke/imgs/topic/15c95b4948bd10bb3e4a9e887abbc1e3.png"/>.