更多“ 初速度为<img src="https://nimg.ppkao.com/2019-04/wangjue/201904271547052163.jpg?sign=ccc1d2da0e7c84d9b319c8498131c140&t=62d5963c" />，质量为m=0.05kg的质点，受到冲量<img src="https://nimg.ppkao.com/2019-04/wangjue/2019042715471988694.jpg?sign=db928611b723b71714147b19b63a0b01&t=62d5963c" />的作用，则质点的末速度（矢量）为（）。”相关的问题
A、A.<img src="https://img.ppkao.com/2019-04/tangxixi/2019041215575492782.jpg" />
B.<img src="https://img.ppkao.com/2019-04/tangxixi/2019041215575986570.jpg" />
C.<img src="https://img.ppkao.com/2019-04/tangxixi/2019041215580850575.jpg" />
D.<img src="https://img.ppkao.com/2019-04/tangxixi/2019041215581577569.jpg" />
A、He原子的哈密顿算符为：<img src="https://img.ppkao.com/2019-04/wangjue/2019042315344985782.jpg" />，其中<img src="https://img.ppkao.com/2019-04/wangjue/2019042315350357599.jpg" />表示（），<img src="https://img.ppkao.com/2019-04/wangjue/2019042315351484276.jpg" />表示（），<img src="https://img.ppkao.com/2019-04/wangjue/2019042315353254559.jpg" />表示（）。
A、A.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />低电平
B.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />三态，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
C.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
D.<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309154866509.jpg" />高电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155838776.jpg" />低电平，<img src="https://img.ppkao.com/2017-10/wangjinchen/2017101309155342124.jpg" />高电平
A、在如图所示的凸轮机构中，已知凸轮以角速度ω顺时针方向转动，令推杆的运动速度以v表示，凸轮的基圆半径以r0表示，行程以h表示，偏距以e表示，压力角以α表示，推杆位移以s表示，凸轮的推程运动角以<img src="https://img.ppkao.com/2018-08/lina/2018082916163576812.jpg" />表示，回程运动角以<img src="https://img.ppkao.com/2018-08/lina/2018082916163916287.jpg" />表示，远休止角以<img src="https://img.ppkao.com/2018-08/lina/201808291616447809.jpg" />表示，近休止角以<img src="https://img.ppkao.com/2018-08/lina/2018082916164818383.jpg" />表示，A为实际廓线推程起始点，B为实际廓线推程终止点，C为实际廓线回程起始点，D为实际廓线回程终止点。试作图表示：凸轮的理论廓线；凸轮的基圆半径r0；推杆的行程h；当前位置时的压力角α和位移s；凸轮的偏距e；凸轮的推程运动角<img src="https://img.ppkao.com/2018-08/lina/2018082916163576812.jpg" />、回程运动角<img src="https://img.ppkao.com/2018-08/lina/2018082916163916287.jpg" />、远休止角<img src="https://img.ppkao.com/2018-08/lina/201808291616447809.jpg" />、近休止角<img src="https://img.ppkao.com/2018-08/lina/2018082916164818383.jpg" />。
<img src="https://img.ppkao.com/2018-08/lina/2018082916165292121.jpg" />
A、A.10<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120814093121702.jpg" />
B.50<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120814093121702.jpg" />
C.75<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120814093121702.jpg" />
D.125<img src="https://img.ppkao.com/2017-12/xieqiushi/2017120814093121702.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/yiyu/2018082216034241512.jpg" />
B.<img src="https://img.ppkao.com/2018-08/yiyu/2018082216034520234.jpg" />
C.<img src="https://img.ppkao.com/2018-08/yiyu/2018082216034811816.jpg" />
D.<img src="https://img.ppkao.com/2018-08/yiyu/2018082216035385003.jpg" />
A、A.<img src="https://img.ppkao.com/2018-09/chenmenghui/2018091710190122007.jpg" />
B.<img src="https://img.ppkao.com/2018-09/chenmenghui/2018091710190976867.jpg" />
C.<img src="https://img.ppkao.com/2018-09/chenmenghui/2018091710191930428.jpg" />
D.<img src="https://img.ppkao.com/2018-09/chenmenghui/2018091710192761365.jpg" />
A、A.<img src="https://img.ppkao.com/2018-08/lina/2018081916240013633.jpg" />
B.<img src="https://img.ppkao.com/2018-08/lina/2018081916240424865.jpg" />
C.<img src="https://img.ppkao.com/2018-08/lina/2018081916241135122.jpg" />
D.<img src="https://img.ppkao.com/2018-08/lina/2018081916241832814.jpg" />
A、A.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041117140637692.jpg" />
B.<img src="https://img.ppkao.com/2018-04/zhouyun/201804111714091678.jpg" />
C.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041117141476512.jpg" />
D.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041117142045280.jpg" />
E.<img src="https://img.ppkao.com/2018-04/zhouyun/2018041117142344778.jpg" />
A、A.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017091215185676127.jpg" />
B.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017091215190491811.jpg" />
C.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017091215190943236.jpg" />
D.<img src="https://img.ppkao.com/2017-09/wangjinchen/2017091215191318414.jpg" />
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