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AfilCa [17]
3 years ago
6

What would you expect to cause a drop in air pressure?

Physics
2 answers:
givi [52]3 years ago
7 0
D. The air temperature staying the same
Murrr4er [49]3 years ago
6 0

Answer:

D

Explanation:

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We investigated a jet landing on an aircraft carrier. In a later maneuver, the jet comes in for a landing on solid ground with a
AlexFokin [52]

Answer:

Time  is 14.8 s and cannot landing

Explanation:

This is a kinematic exercise with constant acceleration, we assume that the acceleration of the jet to take off and landing  are the same

Calculate the time to stop, where it has zero speed

       Vf² = Vo² + a t

       t = - Vo² / a

       t = - 110²/(-7.42)

       t = 14.8 s

This is the time it takes to stop the jet

Let's analyze the case of the landing at the small airport, let's look for the distance traveled to land, where the speed is zero

Vf² = Vo² + 2 to X

X = -Vo² / 2 a

X = -110² / 2 (-7.42)

X = 815.4 m

Since this distance is greater than the length of the runway, the jet cannot stop

Let's calculate the speed you should have to stop on a track of this size

Vo² = 2 a X

Vo = √ (2 7.42 800)

Vo = 109 m / s

It is conclusion the jet must lose some speed to land on this track

4 0
3 years ago
What is the gauge pressure (in atm) in a 25.0°C car tire containing 3.81 mol of gas in a 31.5 L volume? (Enter your answer to at
bagirrra123 [75]

Answer:

Explanation:

Given

Temperature of gas T=25^{\circ}C\approx 298\ K

Volume of gas V=31.5\ L\approx 31.5\times 10^{-3}\ m^3

no of moles of gas n=3.81\ mol

Using Ideal gas Equation to find the Pressure of gas

PV=nRT

where P=Absolute Pressure

V=Volume

R=Universal gas constant

T=Temperature

P\times 31.5\times 10^{-3}=3.81\times 8.314\times 298

P=\frac{3.81\times 8.314\times 298}{31.5\times 10^{-3}}

P=299.66\ kPa

And we know Atmospheric Pressure is 101.325\ kPa

Therefore Gauge pressure is given by

P_{gauge}=P-P_{atm}

P_{gauge}=299.66-101.325

P=198.34\ kPa

4 0
3 years ago
Number of atoms in a formula​
zimovet [89]
The formula must have at least 2 atoms
4 0
3 years ago
An object with a mass of 5.0 Kg has a force of 20.0 newtons applied to it. What is the resulting acceleration of the object?
postnew [5]
From newtons second law of motion,
F=ma hence,
F=20N
m=5kg so,
20=5×a
a=4m/s^2
8 0
3 years ago
HOW DOES A GRAPH HELP YOU SEE ANOMALOUS DATA?
Ghella [55]

Answer:

Anomalies consist of one or more modifications, insertions or deletions. As was described in Section 3.1, there are only three types of changes that can be made to a graph. Therefore, anomalies that consist of structural changes to a graph must consist of one of these types. Assumption 4.

Explanation:

8 0
3 years ago
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