1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
anyanavicka [17]
3 years ago
13

In 1923, the United States Army (there was no U.S. Air Force at that time) set a record for in-flight refueling of airplanes. Us

ing two refueling planes, an Airco DH-4B biplane was able to remain in flight for 37 hours. During the flight, the refueling planes were able to air-transfer a total of 687 gallons of fuel to the plane in 9 refueling transfers. Assume that the refueling nozzle had a diameter of 1.45 inches and each refueling took 2.31 minutes to perform. Calculate the velocity of the fuel through the nozzle. Assume that the fuel filled the entire cross-sectional area of the nozzle..

Physics
1 answer:
dybincka [34]3 years ago
6 0

Answer:

1.95m/s

Explanation:

Please view the attached file for the detailed solution.

The following were the conversion factors used in order to express all quatities in SI units:

1 gallon=0.00378541m^3\\1 inch=0.0254m\\1 minute=60s

You might be interested in
A person walks 9.0 km directly east and then turns left and heads directly north for 12.0 km. What is his displacement from the
Readme [11.4K]

Explanation:

Given that,

A person walks 9.0 km directly east and then turns left and heads directly north for 12.0 km.

We need to find his displacement from the starting position.

We know that,

Displacement = shortest path covered

D=\sqrt{9^2+12^2} \\\\D=15\ km

For direction,

\theta=\tan^{-1}(\dfrac{d_y}{d_x})\\\\\theta=\tan^{-1}(\dfrac{12}{9})\\\\= $$53.13^{\circ}

Hence, this is the required solution.

5 0
3 years ago
Wires provide the pathway to carry the electricity from components to components. * 1 point true false
neonofarm [45]

Answer:

true

Explanation:

as long as it is the right conductive material

5 0
2 years ago
Work-Energy Theorem: A 4.0 kg object is moving with speed 2.0 m/s. A 1.0 kg object is moving with speed 4.0 m/s. Both objects en
allsm [11]

The same braking force does work on these objects to slow them down. The work done is equal to their change in kinetic energy:

FΔx = 0.5mv²

F = force, Δx = distance traveled, m = mass, v = speed

Isolate Δx:

Δx = 0.5mv²/F

Calculate Δx for each object.

Object 1: m = 4.0kg, v = 2.0m/s

Δx = 0.5(4.0)(2.0)²/F = 8/F

Object 2: m = 1.0kg, v = 4.0m/s

Δx = 0.5(1.0)(4.0)²/F = 8/F

The two objects travel the same distance before stopping.

4 0
3 years ago
What is physics and biology​
lorasvet [3.4K]

Answer:Biology is the study of living organisms. Physics is the study of matter and the laws of nature to understand the behavior of matter and the universe. The Biophysical Society explains that, when scientists combine physics and biology, they learn more about biological systems on a molecular or atomic level.

Explanation:

8 0
3 years ago
A satellite camera in space took this picture of northwestern Algeria, showing an impact crater, sedimentary
Mars2501 [29]
Simple the answer is D
3 0
2 years ago
Other questions:
  • An electron is emmited by an atomic nucleus in the process of...
    11·2 answers
  • A light ray incident on a block of glass makes an incident angle of 50.0° with the normal to the surface. The refracted ray in t
    5·1 answer
  • A baseball with a mass of 0.3kg is thrown into the air with a speed of 50 m/s and is at a height of 10m above. What is the speed
    7·1 answer
  • The sphere that refers to Earths water is called the
    10·2 answers
  • WILL MARK BRAINLIEST PLS HELP
    10·1 answer
  • Two poles are connected by a wire that is also connected to the ground. The first pole is 20ft tall and the second pole is 10ft
    7·1 answer
  • Alcohol consumption slows people's reaction times. In a controlled government test, it takes a certain driver t1=0.39 s to hit t
    13·2 answers
  • Cold water flows to the solar panels at 15°C. During the day, the panels supply 3.8 kg of hot water
    14·1 answer
  • The voltage across the secondary winding is 10,000 v, and the voltage across the primary winding is 25,000 v. if the primary win
    5·1 answer
  • When does a driver have to stop for a school bus
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!