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Nana76 [90]
3 years ago
12

What was the name of charles lindbergh’s single winged airplane for his solo flight across the atlantic?

Physics
1 answer:
aev [14]3 years ago
4 0

Answer:

Spirit of St. Louis

Explanation:

Charles Lindbergh was known as a prolific aviator during the early twentieth century. He is well known for the flight he took from Long Island, New York, to Paris, France. It was a continuous flight across the Atlantic Ocean.

The plane he used was the Spirit of St. Louis which took more than 33 hours to complete the journey. It was the first successful flight of this kind. The airplane flew from Long Island on May 20 and landed in Paris on May 21.

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A Boeing 737 airliner has a mass of 20,000 kg and the total area of both wings (top or bottom) is 100 m2. What is the pressure d
kvv77 [185]

Answer:

The correct option is A = 1960 N/m²

Explanation:

Given that,

Mass m= 20,000kg

Area A = 100m²

Pressure different between top and bottom

Assume the plane has reached a cruising altitude and is not changing elevation. Then sum the forces in the vertical direction is given as

∑Fy = Wp + FL = 0

where

Wp = is the weight of the plane, and

FL is the lift pushing up on the plane.

Let solve for FL since the mass of the plane is given:

Wp + FL = 0

FL = -Wp

FL = -mg

FL = -20,000× -9.81

FL = 196,200N

FL should be positive since it is opposing the weight of the plane.

Let Equate FL to the pressure differential multiplied by the area of the wings:

FL = (Pb −Pt)⋅A

where Pb and Pt are the static pressures on bottom and top of the wings, respectively

FL = ∆P • A

∆P = FL/A

∆P = 196,200 / 100

∆P = 1962 N/m²

∆P ≈ 1960 N/m²

The pressure difference between the top and bottom surface of each wing when the airplane is in flight at a constant altitude is approximately 1960 N/m². Option A is correct

5 0
3 years ago
Read 2 more answers
A car accelerates ( speeds up) uniformly from 5 m/s * t * o 15 m/s in 2 seconds, calculate the car's acceleration?
Agata [3.3K]

Answer:

0.4 ms-²

Explanation:

v = u+ at

15 = 5+ a×25

10/5 = a

a = 0.4 ms-²

6 0
3 years ago
PLEASE HELPPP IF YOU CAN!
Lunna [17]

Answer:

2 m/s²

Explanation:

F = ma

4 = 2(a)

a = 2

3 0
3 years ago
What effect does the force from your foot have on the Earth?
Alex73 [517]
Gravitional force
It depends on your mass
3 0
2 years ago
Which of the following will cause an induced current in a coil of wire? Which of the following will cause an induced current in
svp [43]

Answer:

a magnet being moved into or out of the coil

Explanation:

Electromagnetic induction on a coil of wire depends on relative motion between the wire and a magnetic field. If there is no relative motion between the magnet and the coil, no current is included on the wire. This implies that a stationary magnet around a coil of wire will not produce induced current on a stationary conductor or wire.

Summarily, whenever a conductor is placed in a changing magnetic field, current is induced on the conductor.

6 0
3 years ago
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