桌球上的相遇中文版2
@平顾5843：台球相碰数学模型台球相碰给定一个台球桌(考虑长方形和椭圆形)和桌上的两个同样的球,问向哪个方向击第一个球使得它从台球桌的边缘弹回而正好正向... - 作业帮
厍时18361718904…… [答案] 长方桌:1、作第二球在桌沿的镜面像,第一球对着这个像击球2、第一个碰撞到第二球瞬间,其没有发生任何方向的旋转,即正碰,其能量将完全传递到第二球,动量动能守恒,第一个球速度减为零.3、多次反射,则考虑多次镜面反向...
@平顾5843：英语翻译第一句 你会说中文吗 第二句 我不会说英文 第三句 只会这一点而已 其实碰到外国人问路也好应付吗 - 作业帮
厍时18361718904…… [答案] Can you speak Chinese?I can't speak English.Just so little.问路:Excuse me,can you tell me how to get...Excuse me,where is...回答:Go along this street.Turn left/right.in the center of the city.by bus...
@平顾5843：如图是一张台球桌子,桌子上球A与B之间有其它球阻隔.现在要击A球,经桌边CD、CF两次反射再碰到B球,请你画出A球行走的最短路线. - 作业帮
厍时18361718904…… [答案] 如图 .
@平顾5843：嫦娥奔月英文版请按照下列中文翻译:从前,有一个人叫后羿,他有一个美丽的妻子叫嫦娥.一天,后羿外出打猎,遇到了王母,求得了一颗仙丹,服下仙丹,... - 作业帮
厍时18361718904…… [答案] Once upon a HouYi time,a man named Hou Yi,he has a beautiful wife named Chang'e.One day,he became hunting,met the Queen Mother,the first to seek immortality,the dose of immortality,we will be able to immediately immortal.When Ho was reluctant ...
@平顾5843：句型转换根据所给中文提示完成下列句子或句型转换.1、就在那家书店里,妈妈偶然遇到了多年未见的老朋友.(it强调句)2、令人感动的是,许多老师在地震... - 作业帮
厍时18361718904…… [答案] 1、It was in that bookstore that my mum bumped into an old friend whom she haven't seen for years. 2、It was a touching scene that many teachers saved students regardless of danger in the earthquack.
@平顾5843：帮我把下面的英文改成中文1.如果我从没遇见你,如果我从没爱上你,如果我一开始没坚信,也许我就不会是现在的这个自己.2.明知你心里没有我,也永远做... - 作业帮
厍时18361718904…… [答案] 1.If I never met you,if I never fall in love with you,if I did not firmly believe that a start,perhaps I will not be present this themselves. 2.Your heart knowing that I did not,and never was that you want to do,you can not help but see the real me,I hide living injuries.
@平顾5843：4、(多选题)相干波源必须满足下列的条件包括哪些? - 上学吧普法考试
厍时18361718904…… 可以. A下落,B上升,相遇一次. A落到地面反弹上升,B升到最高点落下,又相遇,然后又同理,可以遇N此,N取决于它们一开始的高度速度....
厍时18361718904…… [答案] 长方桌:1、作第二球在桌沿的镜面像,第一球对着这个像击球2、第一个碰撞到第二球瞬间,其没有发生任何方向的旋转,即正碰,其能量将完全传递到第二球,动量动能守恒,第一个球速度减为零.3、多次反射,则考虑多次镜面反向...
@平顾5843：英语翻译第一句 你会说中文吗 第二句 我不会说英文 第三句 只会这一点而已 其实碰到外国人问路也好应付吗 - 作业帮
厍时18361718904…… [答案] Can you speak Chinese?I can't speak English.Just so little.问路:Excuse me,can you tell me how to get...Excuse me,where is...回答:Go along this street.Turn left/right.in the center of the city.by bus...
@平顾5843：如图是一张台球桌子,桌子上球A与B之间有其它球阻隔.现在要击A球,经桌边CD、CF两次反射再碰到B球,请你画出A球行走的最短路线. - 作业帮
厍时18361718904…… [答案] 如图 .
@平顾5843：嫦娥奔月英文版请按照下列中文翻译:从前,有一个人叫后羿,他有一个美丽的妻子叫嫦娥.一天,后羿外出打猎,遇到了王母,求得了一颗仙丹,服下仙丹,... - 作业帮
厍时18361718904…… [答案] Once upon a HouYi time,a man named Hou Yi,he has a beautiful wife named Chang'e.One day,he became hunting,met the Queen Mother,the first to seek immortality,the dose of immortality,we will be able to immediately immortal.When Ho was reluctant ...
@平顾5843：句型转换根据所给中文提示完成下列句子或句型转换.1、就在那家书店里,妈妈偶然遇到了多年未见的老朋友.(it强调句)2、令人感动的是,许多老师在地震... - 作业帮
厍时18361718904…… [答案] 1、It was in that bookstore that my mum bumped into an old friend whom she haven't seen for years. 2、It was a touching scene that many teachers saved students regardless of danger in the earthquack.
@平顾5843：帮我把下面的英文改成中文1.如果我从没遇见你,如果我从没爱上你,如果我一开始没坚信,也许我就不会是现在的这个自己.2.明知你心里没有我,也永远做... - 作业帮
厍时18361718904…… [答案] 1.If I never met you,if I never fall in love with you,if I did not firmly believe that a start,perhaps I will not be present this themselves. 2.Your heart knowing that I did not,and never was that you want to do,you can not help but see the real me,I hide living injuries.
@平顾5843：4、(多选题)相干波源必须满足下列的条件包括哪些? - 上学吧普法考试
厍时18361718904…… 可以. A下落,B上升,相遇一次. A落到地面反弹上升,B升到最高点落下,又相遇,然后又同理,可以遇N此,N取决于它们一开始的高度速度....
