东风御风4s店地址电话查询

习平享4647某种型号的飞机以60m/s的速度着陆,着陆后飞机的运动可看做匀减速直线运动,加速度大小6m/s2,问:(1)着陆5s后飞机的速度为多少?着陆12s后飞机... -
简爱浅18186899033 ______[答案] (1)由题意知飞机初速度为:v0=60m/s,加速度为:a=-6m/s2根据速度时间关系有飞机5s后的速度为:v5=v0+at=60+(-6)*5m/s=30m/s根据速度时间关系有飞机12s后的速度为:v12=v0+at=60+(-6)*12m/s=-12m/s,负号表...

习平享4647边长为a的正方形薄板,静止于惯性系S的xOy平面内,且两边分别为x,y轴平行.今有惯性系S'以0.8c的速度沿着x轴做匀直运动,则从S'系测得薄板的面积为? -
简爱浅18186899033 ______[答案] Y方向没有长度收缩. X方向有长度收缩,测得的X'=X*根号(1-u^2/c^2) a'=a*根号(1-0.64)=0.6a 所以测得的面积为0.6a^2

习平享4647翻译:米勒服装店的质量miller's clothes store's quality可以这样翻译不(米勒服装店的质量)是好的miller's clothes store's quality is good.(米勒服装店的服务... -
简爱浅18186899033 ______[答案] 你可以把质量服务放在句首,避免头重脚轻,如the quality of miller's is good,but the service is.

习平享4647某地以东是西半球,以西是东半球,当地有太阳直射现象,以南无直射现象,这点是【要全过程】 -
简爱浅18186899033 ______[选项] A. 23.5°S,160°E B. 23.5°N,160°E C. 23.5°S,20°W D. 23.5°N,20°W

习平享4647某百货商店服装柜在销售中发现:某品牌童装每天可售出20件,每件盈利40元,经市场调查发现,在进货价不变的情况下,若每件童装每降价1元,日销售量... -
简爱浅18186899033 ______[答案] (1)设每件童装降价x元,则每天盈利为S,则S=(40-x)(2x+20)=-2x2+60x+800,当x=602*2=15时,S有最大值为1250元;(2)一天盈利为1200元,则S=-2x2+60x+800=1200,整理得:-2x2+60x-400=0,a=-2,b=60,c=-400...

习平享4647It's up on my feet 我只知道是询问健康的 -
简爱浅18186899033 ______[答案] on one's feet adv. 站立着,恢复健康 译为:我又恢复了健康.

习平享4647have a - ______mr.cool's clothes store.--OK -
简爱浅18186899033 ______[答案] have a look at

习平享4647英语翻译泰国旅游主要景点芭堤雅泰国著名的旅游度假胜地,享有东方夏威夷之誉曼谷的购物商场位于爱侣湾凯悦大酒店的路角上的四面佛苏梅岛现已成为安... -
简爱浅18186899033 ______[答案] Thailand's major tourist attractions Pattaya Thailand's famous tourist resort,enjoy the reputation of the East Hawaii Bangkok's shopping malls located in the Hyatt Hotel erawan the way corner of Simia...

习平享4647英语翻译今晚我们在饭店定些特色菜吧!Let's - ____ - some - ____ - in the - ____ - tonight!他想要哪种水果._____ - _____ - _____ - _____ - would he like... -
简爱浅18186899033 ______[答案] 今晚我们在饭店定些特色菜吧!Let's book some specials in the __hotel____ tonight!他想要哪种水果.___What kind of fruit___ would he like?你想和我一起去购物吗?Would you like __to go shopping___ wit...