2009 Shandong Question 17 Free-response Differentiating 2009_省自主命题(山东) 17.某物体做直线运动的v-t图象如图甲所示,据此判断图乙(F表示物体所受合力,x表示物体的位移)四个选项中正确的是( )A B D Answer keyB ☆ SaveCan't do it, show the explanation查看原卷 →