1. While in outer space a rocket engine is able to produce thrust on a spacecraft.
Identify the correct action-reaction pair which allows the spacecraft to propel itself
upward.
A.rocket engine-spacecraft
B.rocket engine nozzle-exhaust
C.exhaust gasses-air behind the spacecraft
D.exhaust gasses-ground

Answers

Answer 1
I would say C because of netwons law of physics.
Answer 2

The study of the engine and its mechanism is called physics.

The correct answer to the question is option C which is exhaust gasses-air behind the spacecraft.

What is Neuton's third law?newton's state that each action has an equal and opposite reaction.

What is pressure?Pressure is the force applied perpendicular to the surface of an object per unit area over which that force is distributed. Gauge pressure is the pressure relative to the ambient pressure. Various units are used to express pressure.

Hence, in space, the action-reaction process occurs in exhaust and spacecraft.

For more information about the question, refer to the link:-

https://brainly.com/question/787658


Related Questions

Please help! This one is easy, I just forgot! Multiple choice!

Answers

the answer is D. the mass number
It’s the mass number

How does Gregor Mendel's work with pea plants affect human life today? OA A. People continue to cross pea plants to fix Mendel's many experimental mistakes. B. People use Mendel's knowledge of DNA and chromosomes to create new species. C. People use the strains of pea plants that Mendel developed as a major food source. D. People continue to selectively breed plants and animals to produce predictable results.​

Answers

Answer:

write the unit of area and density in SI System

To decrease the rate of reaction you would ... *
1. increase the temperature
2. add a catalyst
3. increase the pressure
4. decrease the concentration of a reactant

ASAP!!!!!!!!

Answers

Answer: it’s number 2 add a catalyst

Hopefully this helped :)
Decrease the concentration of a reactant

HELP FAST ITS MULTIPLE CHOICE WILL MARK BRAINLIEST!!

Shells can also be called (choose all that apply)...

Question 4 options:

circles


energy levels


rings


spheres

Answers

Answer: I believe its the last one SPHERES.

Explanation:

Energy levels And rings

Can someone tell me what an isotope is in your own words, please don't copy and paste

Answers

An isotope is an atom with the same atomic number but different mass number

the same element ( same amount of protons ) just different amounts of neutrons making the mass different in each atom

Help fill in the blanks this is for 8th-grade science btw.

Answers

Answer:

i know that 10 x is .22300

I know that 10x is .22300

Please help me I will give you the brain thing and extra points.

image below #6

Answers

Answer:

the anse wold be A

I’m pretty sure The answers a

1. define what an ion is (make sure electrons are part of the definition)

2. explain (in terms of electrons) how the sodium is becoming a positive ion

3. explain (in terms of electrons) how the chlorine is becoming an a negative ion

4. Explain why the difference in charges causes them to become attracted and bond to make NaCl, also known as table salt.

Answers

Answer:

valence shell, has eight electrons in it, so the atom becomes positively charged. ... in energies and is useful in explaining why atoms form the ions that they do. ... which we write as Na 2O. The need for the number of electrons lost

Explanation:

1. An ion of an atom is one in which the number of protons and electrons is not the same. If there are more protons than electrons, an atomic ion has a positive charge and is called a cation. If there are more electrons than protons, the ion has a negative charge and is called an anion.

2. Such bonds are created when the outermost electrons of one atom (such as sodium) are transferred permanently to another atom (such as chlorine). The atom that has lost an electron becomes a positively charged ion (called a cation), while the atom that picks up the extra electron becomes a negatively charged ion (called an anion).

3. For a chlorine atom to become a chloride ion, it must gain an electron. The chloride ion has a negative charge and is written as Cl-. Chlorine gains an electron because it has seven valence electrons, and to be a full octet, it gains an electron. A chloride ion is called an anion. Its electron configuration is 1s2 2s2 2p6 3s2 3p6.

4.Ionic bonds are also formed when there is a large electronegativity difference between two atoms. This difference causes an unequal sharing of electrons such that one atom completely loses one or more electrons and the other atom gains one or more electrons, such as in the creation of an ionic bond between a metal atom (sodium) and a nonmetal

hope this helps

have a good day

:)

How can you tell that a precipitate has formed?

Answers

Answer:

if a solid appears when mixing two liquids

Explanation:

i remember this question :D

^basically what they said

Nitrogen gas (N2) and hydrogen gas (H2) react to produce ammonia (NH3) according to this balanced equation. N2 (8) + 3 H2(g) → 2 NH3 (8) How many liters of H2, measured at standard temperature and pressure, are required to react completely with 11.2 L of N2? A. 16.8L B. 22.4L OC. 33.6L D. 44.8 L​

Answers

Answer:

                     

Explanation:

Answer:

                                                                   

Explanation:

Does the Red Sea have high or low viscosity?

Answers

I believe the Red Sea has high viscosity

What are the outermost electrons of an atom

Answers

Answer:Valence Shell

Explanation: The Valence Shell is the outermost orbital of an atom. The Valence Shell electrons are used in making chemical bonds and are the reason the atom has its physical and chemical properties.

The number of electrons in the outermost shell of a particular atom determines its reactivity, or tendency to form chemical bonds with other atoms. This outermost shell is known as the valence shell, and the electrons found in it are called valence electro

Balance the follwing equation:
BLANK C+ BLANK H(2) -> BLANK CH(4)

Everything in partnethesis are subscripts.

Thanks!

Answers

Answer:

- in order to balance the chemical equation, you need to make sure the number of atoms of each element on the reactant side is equal to the number of atoms of each element on the product side.

equation: (given)

__ C + __ H2 --> __ CH4

C = 1                |    C = 1

H = 2               |    H = 4

so, here we can see that the number of hydrogen (H) atoms are NOT equal, which means we have to put a number infront of the compounds inorder to balance it. this means putting a coefficient.

equation: (balanced)

C + 2H2 + CH4

- the only thing added was the 2.

-- let me know if you have any questions about this.

What stage of its life cycle is the Sun in? What will it likely form when it runs out of fuel? (PLEASE DON’T GET AN ANSWER FROM ANY WEBSITE)

Answers

Answer:   the main sequence

Explanation: it’s experiencing its main stage of life

If Bert the Bat travels eastward at 540 mph with a tail wind of 6 mph. What is his actual speed?

Answers

Answer:

12 mph

Explanation:

90 mph cause if you divide 540 by 6 you’ll get 90mph also sorry if it’s wrong.

What reacts in a chemical reaction to form a new substance with different products

Answers

Answer:

Atoms

Explanation:

By a chemical reaction the process of one or more substances like reactants . Which is converted to on different or one substances. Therefore the products of Substances are either compounds or chemical compounds and chemical reaction can rearrange the constitution atoms reactants to create different substances as products.

help me please i need this aaaaaaaaa <3

Answers

Can someone help me out too? , on my question?

Answer:

1.magma forms beneath the plates and rises up through the cracks

2. the tectonic plates move apart from one another

3. lava flows onto Earth’s surface

4. lava cools and hardens to form igneous rock

Explanation:

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