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helicopter
helicopter (ˈhɛlɪkɒptə(r)) [ad. F. hélicoptère, f. Gr. ἕλικος, ἕλιξ spiral, helix + πτερόν wing.] An aircraft which derives its lift and propulsive power principally from the action of one or more lifting screws or rotor-blades, usu. engine-driven, revolving horizontally: modern helicopters are high...
Oxford English Dictionary
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helicopter
helicopter/ˈhelɪkɔptə(r); `hɛlɪˌkɑptɚ/ ntype of aircraft with horizontal revolving blades or rotors, able to take off and land vertically and remain stationary in the air 直升飞机 rescued from the sea by(a) helicopter 用直升飞机从海上救起的 [attrib 作定语]a helicopter pilot 直升飞机驾驶员. =>illus 见插图.
牛津英汉双解词典
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Trigonometry: Applications A helicopter is flying due west over level ground at an attitude of 222 m, and at a constant speed. From point A, which is due west of the helicopter, two measurements of the angle between t...
**Hints** : Have you drawn a picture? Perhaps with two right triangles, both of which have adjacent side $222$? Do you know what SOHCAHTOA means? Do you know how to convert between meters and kilometers? What about minutes and hours?
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what is the name of the helicopter
NATO Helicopter Names: NATO Helicopter Names, NATO helicopter Names. NATO
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Application of derivative - helicopter problem A helicopter of enemy is flying along the curve given by $y =x^2+7$. A soldier, placed at (3,7) wants to shoot down the helicopter when it is nearest to him. Find the nea...
A related problem. Assume the point that gives the nearest distance that lies on the curve is $(x,y)$, so the distance between the soldier and the plane is $$ d=\sqrt{(x-3)^2+(y-7)^2}= \sqrt{(x-3)^2+x^4}$$ $$ \implies d' = \frac{ 4x^3 + 2(x-3) }{2\sqrt{(x-3)^2+x^4}}=0 \implies x=1.$$ Checking the se...
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HELICOPTER (CLC歌曲)
《Helicopter》是韩国女子组合CLC单曲,于2020年9月2日由Cube娱乐发行、Kakao M散布,并于同日发行英语版本。
歌曲与歌词
歌曲以F小调创作,每分钟155拍,时长3分45秒。是一首Trappop和EDM Powerhouse类型的歌曲,带有令人上瘾的旋律。
wikipedia.org
zh.wikipedia.org
Please explain how to make a helicopter
How to Make a Helicopter. Add a new twist to the classic paper airplane
by making a spinning paper helicopter. Download and print out the paper helicopter
pattern from the internet. Print the pattern on colored paper to make
the helicopter more colorful.
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Mars Helicopter - NASA Mars
Helicopter Highlights. NASA's Ingenuity Mars Helicopter has completed 70 flights since first taking to the skies above the Red Planet on April 19, 2021, far exceeding its originally planned technology demonstration of up to five flights. The many highlights of Ingenuity's historic and successful activities on Mars include:
mars.nasa.gov
Ingenuity (helicopter) - Wikipedia
Data from NASA Mars Helicopter Flight Log Maximum speed: 22.4 mph (36.0 km/h, 19.5 kn) NASA Mars helicopters Mars Sample Recovery Helicopters → This article's lead section may be too long. Please read the length guidelines and help move details into the article's body. Ingenuity, nicknamed Ginny, is an autonomous helicopter operating on the planet Mars. It is part of NASA's Mars 2020 mission ...
en.wikipedia.org
Equinor secures new helicopter capacity - Equinor
Mar 1, 2024Since 2016, Equinor has only used Sikorsky S-92 machines (after replacing EC225) for personnel transport and search and rescue services on the NCS. Equinor has an extensive flight programme and annually transports 160,000 offshore employees to and from the NCS. This amounts to more than 24,000 flight hours annually.
www.equinor.com
SAFRAN HELICOPTER ENGINES USA, INC. - ContactOut
Get details for SAFRAN HELICOPTER ENGINES USA, INC.'s 30 employees, email format for and phone numbers. SAFRAN HELICOPTER ENGINES USA, INC. is a company bas...
contactout.com
Coaxial Helicopter as my Final Year Project
Today is my presentation of the first stage of my Final Year Project. My FYP is carry on the Hardware Design of the Autonomous Helicopter For Stabilization project.
gogoleisure.blogspot.com
Apache Helicopter Celebrates 40 Years | Article | The United States Army
1 day agoThe final Apache A-model in the U.S. Army, Apache 451, was 'retired' on July 15, 2012. It was then taken to the Boeing facility in Mesa, Ariz., and reconfigured into an AH-64D Apache Longbow.
www.army.mil
List of Helicopter Locations in GTA V - The Tower Info
1. Central Los Santos Medical Center. The Central Los Santos Medical Center is a hospital in Davis, South Los Santos, the roof of the lower section of the hospital building has two helipads, and Air Ambulances (a type of helicopter in the game) can spawn on them. The roof can be accessed via the stairs or the ladders on the walls.
thetowerinfo.com
Use $\sin,\cos$ and $\tan$ for problem solving A model helicopter takes off from the horizontal ground with a constant vertical speed of $5$ m/s. After $10$ seconds the angle of elevation from Sione to the helicopter ...
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________ 1.8
The bottom left corner of the triangle is Sione's head and the top corner is the current location of the helicopter So, $d$ is the distance between Sione's head and the helicopter.
It's very easy to solve for $d$ now.
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