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矢量三角形法则 用一根长1m的轻质细绳将一幅质量为1kg的画框对称悬挂在墙壁上,如图所示.用一根长1m的轻质细绳将一幅质量为1kg的画框对称悬挂在墙壁上,如图所示.已知绳能承受的最大张力1 What's this mean?The Story of Bonnie and ClydeYou've read the story of Jesse James--Of how he lived and died;If you're still in needOf something to readHere's the story of Bonnie and Clyde.Now Bonnie and Clyde are the Barrow gang.I'm sure you all hav 质量为1kg的小球用细绳拴住,线长l=0.5m,细线所受拉力达到F=18N时,就会被拉断,当小球如图释放后,摆到悬点的正下方时,细线恰好被拉断,重力加速度g=10m/s∧2,小球落地处到地面P点距离为h=5m,g=10m/s this's what i 用一根长1m的轻质细绳将一幅质量为1kg的画框对称悬挂在墙壁上,如图所示.已知绳能承受的最大张力10N,为使挂绳不断裂,画框中两个挂钉间的间距最大为多少?我不明白的就是角度怎么求得,什 what's this sentence mean?I'd put it before the transportation officials to radically improve the public transportation system. 营养与食品卫生学 和 食品科学与工程 这两者有什么区别? 吉大食品系怎么样,保研率如何,吉大食品科学与工程,跟功能食品,有什么区别 当一个弹簧拉着俩个物体时,为什么弹簧达到最大时,俩物体速度相等 弹簧 能量 如果一个冲击器的重量为200g,用弹簧提供动力,弹簧自由状态直径为19mm,长为88mm,压缩到40mm时负荷110N,请问当释放负荷后弹簧恢复到长度为65时的速度为多少?如果弹簧长度为65时的位 一个小球落到一根弹簧上的速度变化如果一个小球落到一根弹簧上,当压缩弹簧的时候它的速度怎么变化?开始弹起来的时候速度怎么变化?为什么呢? If you break the traffic rules,you may be in danger 同义句转换 急 在结构施工图中 L1(10) 250(300)×400 括号内的300表示什么意思? 施工图中的1: 点式玻璃幕墙 半隐框玻璃幕墙一平米消耗多少钢材?10#的槽钢 钢板预埋460*300的 英文歌 开始一句 my name is dj 是什么歌前面两句好像是这样的,my name is dj,and i am a dj,后面有一句是,she thought i was creazy,but she call me baby.looking to my eyes and say,i think about her every day.男声唱的,开头一 如何消除热敏电阻阻温特性的非线性?热敏电阻的测温范围一般是多少? 作文 spare time要求：空余时间越来越多,如何安排空余时间?120子左右 Anyone who ___________ the rules will be punished.A.breaks B.will break C.breaking D.breakAnyone who ___________ the rules will be punished.A.breaks B.will break C.breaking D.break--- Is your headache getting ________________?--- No,it’s worse.A.be ___breaks the rules will surely be punished.A.No matter who B.Whoever这道题为什么不选A而选B?Thanks! ( )who break the law will be punished .A These B Anyone C Those D that为什么答案是A而不能是B It is a rule__if you break you will be punished.A.what B.for which C.which D.to which Those who___the school rules will be punished.A.obey B.read C.make D.break为什么选D? this room isn't enough____ the three men___live inAfor,to b to,for Cwith,to D for ,and选哪一个? why it's than other that's brighter the stars（连词成句）帮我把它们连词成句.1.why it's than other that's brighter the stars2.up,the,like,balloon,why,it,in,a,is,sky还有一句忘了，became，first，it，thing，fly，the，Earth，t any He is taller than any other_______（学生）怎么填空?我觉得any other 是其他的,郁闷 词组的中文. 英语翻译代理成本中的 闲暇消费 和 实物消费 不要翻译机的~`好像这两个词是中国人发明的?西方经济学里好像没有啊～郁闷 英语翻译科技南路裙楼（一栋大楼中有几层从外观上看像整栋楼的一个裙边一样,称裙楼）请问这两个词如何翻译? The room is too small for me to live为什么是错的 王维写的送别诗句有那些? The room is too small for us to live in.（写出同义句）The room _____ ______ _____ for us to live in.