苏州市2014-2015学年第一学期高三物理期末考试有这样一道选择题,题目如下:例1如图1所示,足够长的木板A静止放置于水平面上,小物块B以初速度v_0从木板左侧滑上木板,关于此后A、B两物体运动的v-t图像可能是() The first semester of the 2014-2015 school year in Suzhou, the third semester of physics final exam has such a multiple choice questions, the title is as follows: Example 1 As shown in Figure 1, a long enough wood plank A rest placed in the horizontal plane, small block B at an initial velocity v_0 from wood Sliding on the left side of the board, on the A, B two objects after the motion vt image may be ()