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Firlakuza [10]
3 years ago
9

Describe the direction in which each object will accelerate. If the object won't accelerate, write "no acceleration." Explain wh

at might be happening to each object in terms of its overall motion.

Physics
1 answer:
fgiga [73]3 years ago
5 0

Answer:

No acceleration. All of the forces are acting equally on the paper air plane therfore It isn't going to move any where.

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An airplane is flying in a horizontal circle at a speed of 480 km/h. If its wings are tilted 40° to the horizontal, what is the
guajiro [1.7K]

Answer:

r = 2161.9 m

Explanation:

Aerodynamic lift(L) is perpendicular to the wing, which is tilted 40 degrees to the horizontal.

Since the plane is moving in a horizontal circle, the vertical component of the lift must cancel the weight W of the airplane, but the horizontal component is the centripetal force that keeps it in a circle.

L is perpendicular to wing at angle θ with respect to horizontal

Thus,

Vertical component of lift is:

L cosθ = W = mg

Thus, m = L cosθ / g - - - - (eq1)

Horizontal component of lift is:

L sinθ = centripetal force = mv² / r - - - - (eq2)

Combining equations 1 and 2,we have;

L sinθ = (L cosθ / g)(v² / r)

L cancels out on both sides to give;

tanθ = v²/ rg

r = v² / (g tanθ)

We are given;

velocity; v = 480 km/hr = 480 x 10/36 = 133.33 m/s

r = 133.33²/[(9.8) tan(40)] = 2161.9 m

3 0
3 years ago
Which of these words describes humans
MA_775_DIABLO [31]
Human are eurkaryotic.  Eukaryotes are organisms that have cells with a nucleus.  Prokayotes are cells without a nucleus.  Protists are eukaryotic but they are usually single cellular. Also, human are not fungus.  Fungus cannot move and have to get food from its surrounding area.
3 0
3 years ago
What is the average speed of an aircraft which travels 600m in 10 seconds ?
matrenka [14]

Answer:

60 meters per second

Explanation:

600/10=60

8 0
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What effects do coil of wire on a compass after it has been connected to a battery​
Yanka [14]

Explanation:

The compass needle moved when the wire was connected to the battery. The important point here is that the needle is affected by the wire only when both ends of the wire are connected to the battery because only at this time is current flowing through the circuit.

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Which of the following statements explains one way that oceans influence the temperature of the tropics and poles?
pogonyaev

Answer:

c

Explanation:

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