某物体沿直线运动的v-t图像如图所示,由图可以看出(         

 某物体沿直线运动的v-t图像如图所示,由图可以看出(          )。

(A)物体沿直线向一个方向运动

(B)物体沿直线做往复运动

(C)物体的加速度大小不变

(D)物体做匀变速直线运动

 

答案

 BC

 

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