1. What's the speed of sound at 2500 meters above sea level?相关知识点: 试题来源: 解析 285.3米/秒 声音速度受温度和气压影响。在2500米海拔,气压约为海平面的0.75倍,温度约为-2摄氏度。根据公式c = 331.5 + 0.6T,在-2摄氏度时,声音速度约为330.3米/秒。由于声音速度与气压平方根成正比,因此在...
What is the speed of sound at sea level? How much has sea level risen since 1960? How high is Sarasota above sea level? How high is Michigan above sea level? How high is Montreal above sea level? How much has sea level risen since 1900?
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正确答案:BIt is hard to track the blue whale, the ocean’s largest creature, Which has almost been killed off by commercial whaling and is now listed as an endangered species. Attaching radio devices to it is difficult and visual sightings are too unreliable to give real insight into its be...
1.Whereisthistextprobablytakenfrom? A.Atextbook. B.Anexampaper C.Acourseplan. D.Anacademicarticle. 2.How manypartsisastudent?sfinalgrademade upof? A.Two. B.Three. C.Four. D.Five. 3.Whatwillhappenifyousubmitanessayone weekaftertheduedate? A.Youwillreceiveazero. B.Youwilllosealettergrade...
Speed of the ship has a non-linear relationship with fuel consumption; the ship which will go slower will have fewer air emissions than a ship going faster. Speed of the ship has an impact at both design level and operational level. ...
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move up to 120,000 feet, the speed will drop down to around 200 m/s. just from this data, you can see that felix baumgartner did indeed fall faster than the speed of sound. however, the question doesn't really make sense. did he fall faster than the speed of sound at sea level?
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