魔兽骑术

如图所示,质量m=1kg的小球用细线绑住,线长l=0.5m,细线所受的拉力达到F=18N时就会被拉断,当小球如图所示释放后摆到悬点正下方时,细线恰好被拉断,求小球摆到悬点正下方时速度的大小 木工带锯条采用冷焊是否产生脆性（焊口）恳请行家教导 英语翻译给我一个幸福的拥抱 What exactly do you want me to do? exactly 是什么意思 I really can not do without you,do not want to break up,but I don't want to ask you,I love you,don't leave me! 内地演员 天翼视讯悦盒三大跨界是什么意思? Do you want to make any changes_______ your programme? 异步电动机的机械特性曲线是什么样的? 如图所示,质量M=1千克的小球用细绳栓住,线长L=0.5米,细绳所受拉力达F=18N时会断裂.当小球从图示位置释放到悬点正下方时,细绳恰好被拉断.若此时小球离水平地面的高度h=5m,重力加速度=10m/s^2 there books on are desk the any 连词成句 Are there any books on the desk?___im afraid.答案是not any,为什么不是few? 为什么海的颜色不一样 英语问题A:l lost my new watch B:___! 是bad luck 还是it's terrible94啊 可是老师说第一个·· 英语I lost you last;翻译 The student want ____(make) animals.ngue boo 翻译：加工中心的工作台 加工中心z轴与工作台不垂直怎么办啊 水调歌头中直接写明月的诗句时?水调歌头中写诗人内心矛盾的诗句是?此事古难全的此事指的是什么? 夜书所见表达了诗人什么的思想感情 英语翻译Careless winds,careless thoughts Charmless every way Here I go,lying low Wrapped in clouds of grey If I ever knew Just what love could do I'd rather hate,but it's too late and pain is the truth Please don't you read my feelings Please don 迪克兰的An angle,love of my life,tell me why,是什么时候唱的? you are the angel on my 水调歌头中哪些句子描写月亮 with his face clear of the water 怎末翻译啊? Every driver must obey the traffic r of一般在什么时候用?比如说一杯水用英文说：a cup of water还是a cup water?中国银行是bank of china而不是china bank,中国日报是china daily而不是daily of china? 把 We must obey the traffic ruies to avoid traffic accidents改为被动句 I washed my face --------the water.A on B with C in after什么时候是介词 什么时候是连词翻译有什么区别,请举列子 there are two computers in the room.对（two)提问 怎么看after在句子当中是充当连词还是介词?