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
mash [69]
3 years ago
11

Which one of the following substances is a liquid fuel used in rocket engines?

Physics
2 answers:
melomori [17]3 years ago
8 0

There are none on the list you included with your question.

Mumz [18]3 years ago
5 0

Answer:

Ammonia

Explanation:

You might be interested in
Which change will always result in an increase in the gravitational force between two objects?
Anika [276]
The change that will always result in an increase in the gravitational force between two objects is increasing the masses of the objects and decreasing the distance between the objects.
8 0
3 years ago
Read 2 more answers
PLEASE HELP!!!
Harman [31]

The wind direction changed from morning to night because  land and water absorbing solar energy unequally.

<h3>Convection current</h3>

Convection is said to occur when there is heat transfer by an actual movement of participles from place to place. The movement of air mass (wind) is affected by the relative amounts of solar energy absorbed by the land and sea.

Hence, the wind direction changed from morning to night because  land and water absorbing solar energy unequally.

Learn more about convection current: brainly.com/question/12841408

3 0
2 years ago
Is water a mixture or substance​
elena55 [62]

Hey!

--------------------------------------------------

Answer:

Substance

--------------------------------------------------

Explanation:

Water is a substance created with oxygen and hydrogen.

A mixture is when more than one substance are mixed together.

--------------------------------------------------

Hope This Helped! Good Luck!

7 0
3 years ago
Read 2 more answers
A heat engine has a maximum possible efficiency of 0.780. If it operates between a deep lake with a constant temperature of-24.8
Volgvan

Answer : The temperature of the hot reservoir (in Kelvins) is 1128.18 K

Explanation :

Efficiency of carnot heat engine : It is the ratio of work done by the system to the system to the amount of heat transferred to the system at the higher temperature.

Formula used for efficiency of the heat engine.

\eta =1-\frac{T_c}{T_h}

where,

\eta = efficiency = 0.780

T_h = Temperature of hot reservoir = ?

T_c = Temperature of cold reservoir = -24.8^oC=273+(-24.8)=248.2K

Now put all the given values in the above expression, we get:

\eta =1-\frac{T_c}{T_h}

0.780=1-\frac{248.2K}{T_h}

T_h=1128.18K

Therefore, the temperature of the hot reservoir (in Kelvins) is 1128.18 K

8 0
3 years ago
The 1.5kg ball is launched straight upward with an initial velocity of 7m/s. What is the maximum height it will reach?​
Temka [501]

Answer:

h = 2.5 m

Explanation:

Given that,

Mass of a ball, m = 1.5 kg

Initial velocity of the ball, u = 7 m/s

We need to find the maximum height reached by the ball. Let it is be h. Using the conservation of energy to find it such that,

mgh=\dfrac{1}{2}mu^2\\\\h=\dfrac{u^2}{2g}

Put all the values,

h=\dfrac{7^2}{2\times 9.8}\\\\=2.5\ m

So, it will reach to a height of 2.5 m.

8 0
3 years ago
Other questions:
  • Find the x-components of this vector: 92.5 m, 32.0 degrees. Remember, angles are measured from the +x axis.
    7·1 answer
  • What is air pressure?
    7·2 answers
  • A proton travels through a region of uniform magnetic field at an angle \thetaθ relative to the magnetic field. The magnitude of
    5·1 answer
  • 2- Two materials, A and B, are used to make cables of
    6·1 answer
  • A positive rod is placed to the left of sphere A ,and the spheres are separated
    10·2 answers
  • An electron enters a magnetic field of 0.43 T with a velocity perpendicular to the direction of the field. At what frequency doe
    9·1 answer
  • Derek owns a farm that produces soybeans, avocados, and pecans. What is the word used to describe these items?
    10·2 answers
  • Choose the +x-direction to point to the right. • Object 1 has a mass 1.66 kg and is moving to the right at 11.2 m/s. • Object 2
    7·1 answer
  • A phonograph turntable rotating at 33 1 3 rev/min slows down and stops in 1.98 min. (Assume the turntable initially rotates in t
    8·1 answer
  • What is the purpose of radio waves?
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!