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
Brilliant_brown [7]
3 years ago
8

Plz help!! This is timed!!!!

Physics
1 answer:
Daniel [21]3 years ago
7 0

Answer:

1.) The reaction is at dynamic equilibrium.

A: Nitrogen and hydrogen combine at the same rate that ammonia breaks down.

2.) Which statement about the reaction is necessarily correct?

A: Both calcium carbonate and sodium carbonate are being produced.

3.) Both calcium carbonate and sodium carbonate are being produced.

A: The reaction is reversible.

4.) What is the fastest motion that can be measured in any frame of reference?

A: 300,000 km/s

5.) Two people are on a train that is moving at 10 m/s north. They are walking 1 m/s south relative to the train. Relative to the ground, their motion is 9 m/s north.

Why are we able to use these motions to describe the motion relative to the ground?

A: The people are moving much slower than the speed of light so the ground acts as a frame of reference.

Explanation:

these were mine i hope this helps ! :0

You might be interested in
What substance might impact the formation of volcanic rock?<br><br> marking brainliest!
RoseWind [281]

Answer:

WATER

Explanation:

have a wonderful day!!

3 0
3 years ago
Read 2 more answers
Which statement is true for two pieces of iron at the same temperature ? A. The total kinetic energy of their particles is equal
statuscvo [17]

The complete options are;

A. The average kinetic energy of their particles is the same.

B. The total kinetic energy of their particles is equal.

C. Heat flows from the larger object to the smaller object.

D. Heat flows from the object with higher potential energy to the object with lower potential energy.

Answer:

Explanation:

From the relationship between average kinetic energy and temperature, we have the formula;

E_k = (3/2)kT

Where;

k is a constant known as boltzmann constant.

T is known as temperature

We can see that at the same temperature (T), kinetic energy will remain the same because from the formula, E_k depends km only the temperature.

Thus, average kinetic energy of their particles saying that.

3 0
3 years ago
A garbage truck crashes head-on into a Volkswagen and the two come to rest in a cloud of flies. Which experiences the greater fo
Artist 52 [7]
The volkswagon experiences a greater force as it was hit by a larger object that had a larger mass than itself
8 0
3 years ago
A jack is used to______ the force.​
noname [10]

Answer:

A jack is used to <u>lift</u> the force.

I think that's the answer. I don't really understand the question.

4 0
3 years ago
Read 2 more answers
A star is a luminous ball of hot ______ held together by its own gravity.
frosja888 [35]
A star is a luminous ball of hot <span>plasma </span><span>held together by its own gravity.
</span>
7 0
4 years ago
Read 2 more answers
Other questions:
  • Which statement is not true?
    13·2 answers
  • A flutist assembles her flute in a room where the speed of sound is 340 m/s. When she plays the note A, it is in perfect tune wi
    13·2 answers
  • Is The force of friction always opposite to the motion? ​
    12·1 answer
  • a net force of 25 newtons is applied horizontally to 10. -kilogram block resting on a table. what is the magnitude of the accele
    9·1 answer
  • ) A cable car at a ski resort carries skiers a distance of 6.8 km. The cable which moves the car is driven by a pulley with diam
    11·1 answer
  • A disk-shaped merry-go-round of radius 3.03 m and mass 125 kg rotates freely with an angular speed of 0.661 rev/s . A 59.4 kg pe
    9·1 answer
  • What is an example of a concentric contraction
    11·1 answer
  • Assume a beam of light hits the boundary separating medium 1, with index of refraction n1 and medium 2, with index of refraction
    13·1 answer
  • Why does liquid helium form a gas when exposed to room temperature?
    13·1 answer
  • 1000 tiene 3 ceros cuantos lugares crees que se tenga que recorrer el punto decimal​
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!