請問!這二架飛機，誰會最快到達目的地? - 社會議題
By Brianna
at 2014-07-13T00:00
at 2014-07-13T00:00
Table of Contents
請問~
有兩架同款式的飛機.....
一架緊貼海平面，用高速飛行....一架在23000英呎(7000公尺)的高空，一樣也是高速飛行!
兩架飛機同時要從台灣飛到美國
請問....這兩架飛機，誰會先飛到美國阿?
PS. 不好意思喔~這問題對我很重要，我知道"性教育"的版面，大家比較有興趣來逛~
所以我只有"鳩佔鵲巢"將這題PO在這裡，比較有機會得到答案~^^
已更新項目:
二架飛機，都用同樣空速600節飛行
有兩架同款式的飛機.....
一架緊貼海平面，用高速飛行....一架在23000英呎(7000公尺)的高空，一樣也是高速飛行!
兩架飛機同時要從台灣飛到美國
請問....這兩架飛機，誰會先飛到美國阿?
PS. 不好意思喔~這問題對我很重要，我知道"性教育"的版面，大家比較有興趣來逛~
所以我只有"鳩佔鵲巢"將這題PO在這裡，比較有機會得到答案~^^
已更新項目:
二架飛機，都用同樣空速600節飛行
Tags:
社會議題
All Comments
By Joseph
at 2014-07-14T16:38
at 2014-07-14T16:38
緊貼海平面會先飛到美國！
原因非常簡單，圓周(半徑)越大，飛行的時間越長。
By Anthony
at 2014-07-15T01:24
at 2014-07-15T01:24
The main reason why airplanes fly at a high attitude is to avoid air friction. Air density varies based on the attitude. By flying at a high attitude, airplanes can use less fuel as they can fly faster.
In the past, all Trans-Pacific flights are required to make a stop at Midway Island because:
1. Piston engines are not reliable as turbofan engines nowadays; and
2. They need to make a fuel stop (as they are flying at a lower attitude).
In this case, even the fuel tanks are all fueled up, the air friction increases the consumption, which makes no planes making to their destination.
By Zenobia
at 2014-07-17T13:56
at 2014-07-17T13:56
By David
at 2014-07-17T11:55
at 2014-07-17T11:55
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