首页
普通专升本
成人高考
学位英语
在线刷题
最近学习
最近学习课程
最强大脑 · 3天挑战极限记...
副标题副标题副标题副
最强大脑 · 3天挑战极限记...
副标题副标题副标题副
您现在位置:
模拟考场
>
湖北自学考试
>
公共课
>
物理(工)
>
浏览试题
[单选题]
在惯性系S中的x轴上,发生于同一时刻、不同x处的两个事件,在另一相对于S沿x轴运动的惯性系S‘中观察
A
一定同时发生
B
一定不同时发生
C
一定在同一地点发生
D
可能在同一地点发生
收藏
查看答案
参考答案
试题答案:
B
答案解释:
相关题目
理想气体是一种简单的气体模型,从微观角度而言,该模型
一花样滑冰运动员,绕通过自身的竖直轴在冰面上转动.开始时她的双臂水平伸展,此时的转动惯量为j0,角速度为ω0,然后她将双臂收回,使其转动惯量变为原来的4/5,忽略冰面摩擦,这时她的转动角速度将变为
如图,空间中有正交的均匀电场E和均匀磁场B,若要电量为q的点电荷通过该空间时做匀速直线运动,电荷的速率应该等于
在研究刚体绕固定轴转动时,类似于牛顿第二定律F=Tna的规律是刚体绕固定轴转动的
已知c为真空中的光速,λ为某单色光的波长,其光子能量为
下列说法中正确的是
质量分别为m a和m b(m a:≠m b),速度分别为V a和V b (V a≠V b)的两质点a和b,受到相同的冲量作用,则质点
一个金属的逸出功为2.0eV,用波长为500nm的光照射,逸出的光电子的最大初动能约为(电子电荷量为1.60×10-19C,普朗克常量为6.63×10-34J?s,真空中的光速为3.00×108m/s)
质量为m的质点以速度v,沿直线运动,则它对该直线上任一点的角动量为_____。
狭义相对论时空观得到的两个重要的效应是
热门试题
1.
下列散文属于托物言志的是( )
2.
26.国家垄断资本主义管理和调控经济的主要机制是( )
3.
48.直射光线的特点是( )
4.
Passage 1 In April, the EC imposed a ban on livestock, meat dairy products from 18 eastern countries following an outbreak of hoof mouth disease in Croatia. Hungarian Foreign Minister Geza Jeszenszky told EC leaders that the “entirely unwarranted (move) smacks of a most regrettable survival of the notion of an Eastern bloc.” The EC followed with antidumping duties “voluntary” export restraints on certain steel products from Hungary Poland. just days after signing the EFTA free trade agreement in early April, Austria introduced import quotas on chemicals, cement agricultural machinery, steel from Eastern Europe. West Europeans claim that their eastern neighbors have an unfair advantage because of low wages, state subsidies low environmental standards. Although the EC EFTA agreements are supposed to lift tariffs trade barriers on most industrial goods over 10 years, most agricultural products are not included in the agreements. This is critical for Hungary, with its extensive farm sector. “The EC is never going to let Hungary achieve its potential output,” says Iowa David Andres, who has studied Hungarian agriculture firsth,” They’re already afraid of Hungary.”Statements: 42. “In April, the EC imposed a ban on livestock, meat, dairy products from 18 eastern countries following an outbreak of hoof mouth, disease in Croatia.” Here imposed a ban means shut out imports. ( ) 43. With the EC EFTA agreements, there will hardly be any improvement in exports of Eastern Europe’s agricultural products. ( )44.The EC EFTA agreements will let Hungary achieve its agricultural potential output. 45.There will be a lot of improvement in exports of Eastern Europe’s products except agricultural products. ( ) 46.The EC EFTA agreements are supposed to lift tariffs trade barriers on all the products over 10 years. ( )
5.
下列各项中,不属于成本类会计科目(账户)的是( )
热门试卷
成人高考专升本《政治》模拟试卷
去做题
已有3133做题
2020年湖北成人高考专升本政治模拟试题三
去做题
已有1937做题
成人高考专升本政治考试模拟试题及答案(1)
去做题
已有1720做题
成人高考高起点语文考试高分突破试题及答案四
去做题
已有1149做题
成人高考专升本政治考试模拟试题及答案(2)
去做题
已有1055做题