1不能由下列哪一个位置出发( )
A.2
B.3
C.4
D.6
参考答案:C
解析: 由以上推理的隐含条件L≠(4和5,C为正确答案。
在“研究平抛物体的运动”实验中,某同学记录了A、B、C三点,取A点为坐标原点,建立了如图所示的坐标系。平抛轨迹上的这三点坐标值图中已标出。那么小球由A运动到B的时间为 s,小球平抛的初速度为 m/s,小球运动到B点的竖直分为 m/s,小球抛出点的坐标为 。
To comply with the Global Investment Performance Standards (), which of the following accounts a firm claiming compliance should include when building a composite for performance()
A. non-fee-paying accounts.
B. terminated accounts.
C. non-discretionary accounts.