All Questions
Tagged with aircraft homework-and-exercises
9
questions
1
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123
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Mechanics of the "airplane" thrown at angle to the horizon
Good day!
I am interested in the solution of the following problem, could you please help me.
Suppose that we have some solid airplane. We throw this airplane at some angle $\theta$ to the horizon ...
1
vote
0
answers
33
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PI controller - output calculation [closed]
The propeller of an airship is connected to a DC motor. The motor is being controlled using a PI controller. The PI controller has a proportional gain of Kp = 2, and an integral gain of Ki = 0.5, and ...
0
votes
1
answer
63
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Defining the change in direction due to wind
My question: Which force vector (A, B, C, or D) represents the APPROXIMATE direction in which the boat is travelling as a consequence of the wind?
My approach: I looked for which vector combination ...
1
vote
1
answer
43
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How would I calculate the speed passengers 'jump' based on the speed and displacement of a plane during turbulence?
I read recently that if I'm in a plane that hits turbulence, the plane might only move 1 to 20ft. However, due to the speed that plane is travelling at (say cruising at 550mph). The passengers in the ...
3
votes
1
answer
152
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How does quadcopter's battery capacity relate to it's maximum flight time?
Suppose that we have a quadcopter weighing 3 kg (without a battery) and a battery (let it be Li-Ion type) weighing 2 kg. With this battery our quad can hover for 20 minutes until the battery runs flat....
4
votes
1
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2k
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Relative motion of airplane in the wind [closed]
I have a relative motion problem in which I cannot get my answer to match the book answer.
The question is:
An airplane has to travel $189\, \mathrm{km}$ due east to point $B$ from point $A$. It ...
-1
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3
answers
3k
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Forces involved in a climbing jet aircraft
I have a problem with which I need help. The question is:
A jet aircraft is climbing at an angle of $45^\circ$ above the horizontal axis and is accelerating at $4.5~\rm\frac{m}{s^2}$. What is the ...
3
votes
3
answers
439
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How to compute the speed necessary for an airplane to fly?
I give some physics lessons to a friend. She asked me a question that I am unable to answer. Could you help me ?
A plane has a weight of $2\times10^6$kg. The surface of the wing is $1200 \text{m}^2$. ...
3
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3
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16k
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Flying a toy helicopter inside an accelerating train [duplicate]
Scenario:
You ride in a train, you have this helicopter toy. The train is not yet running when you flew your helicopter on a constant altitude (say 1 meter above the train's floor).
Question:
What ...