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
Dahasolnce [82]
3 years ago
15

Ethan made a diagram to compare examples of the first and second laws of thermodynamics. What belongs in the areas marked X and

Y?
Physics
2 answers:
Thepotemich [5.8K]3 years ago
3 0

<u>First law of thermodynamics:</u>

  • It states that <em>"Energy neither be created nor it can be destroyed". </em>simply it converts one form of energy into another form.
  • It is also known as<em> "law of conservation of energy"</em>

<u>Limitations of First law</u>

  1. It doesn't provide a clear idea about the direction of transfer of heat.
  2. It doesn't provide the information that how much heat energy converted inti work.
  3. Its not given any practical applications.

<u>II law of thermodynamics:</u>

It states that <em>"the total entropy of the system can never decrease over time"</em>

It is strongly proved by two laws, they are

<em>1. Kelvin-plank statement:</em>

      He stated that "any engine does not give 100% efficiency". It violates the Perpetual motion of machine II kind<em>(PMM-II).</em>

<em>2. Classius statement: </em>

<em>    </em><em>    It states that "Heat always flows from high temperature body to low temperature body, without aid of external energy". </em>

<em>          Also it stated that " Heat can also be transferred from low temperature body to high temperature body, by the aid of an external energy".</em>

<em>Applications of II law: </em>

<em>Refrigeration &Air conditioning, Heat transfer, I.C. engines, etc.</em>

KatRina [158]3 years ago
3 0

Answer:

The answer is D.

Explanation:

I just took the quiz.

You might be interested in
Examples of rectilinear motion<br>​
EleoNora [17]

Answer:

Examples for Rectilinear Motion

1) The use of elevators in public places is an example of rectilinear motion.

2) Gravitational forces acting on objects resulting in free fall is an example of rectilinear motion.

3) Kids sliding down from a slide is a rectilinear motion.

4) The motion of planes in the sky is a rectilinear motion.

7 0
3 years ago
Read 2 more answers
Refer to the image shown to answer the question.
Lostsunrise [7]
It would be B. Because every angle has to add up to 180 degrees. 180-70 would give you 110
7 0
3 years ago
Read 2 more answers
Consider the concepts of kinetic energy (KE) and gravitational potential energy (GPE) as you complete these questions. A ball is
Lena [83]

Answer:

When the ball is held motionless above the floor, the ball possesses only GPE  energy.If the ball is dropped, its GPE energy decreases as it falls.If the ball is dropped, its KE energy increases as it falls.

Explanation:

If the ball is held motionless, then its kinetic energy is equal to zero, since kinetic energy depends on the velocity. And the ball is held above the ground, which means it possesses gravitational potential energy.

If the ball is dropped, its height will decrease, therefore its gravitational potential energy will decrease. Along the way, the ball will be in free fall, and therefore its velocity will increase, hence its kinetic energy.

K = \frac{1}{2}mv^2\\U = mgh

3 0
3 years ago
In a single movable pulley, a load of 500 N is lifted by applying 300 N effort. Calculate MA, VR and efficiency.​
galben [10]

Answer:

in pulley there are different kinds.but the most common one are fixed,moveable and compound pulley. in this question we asked about movable pulley.

Explanation:

Given request solutions

L=500N a,M.A=? a,M.A=L/E =5/3

E=300N b,V.R=? b,V.R=2

c,efficiency =? c,£=M.A/V.R=5/6

£=IS NOT THE REAL SYMBOLS OF EFFICIENCY BUT I IS LOOK LIKE THIS

I THINK I HELPED

6 0
2 years ago
During a science lesson on changes, Ms. Sloan's students made mixtures of sulfur (the yellow substance) and iron filings (the bl
kramer

Answer:

Both substance will melt and become a solution.

Explanation:

When a mixture of iron filings (black substance) and sulphur powder (yellow substance) are heated in a test tube under a bunsen burner, usually they will undergo a chemical reaction where they will melt to form a new solution of ferrous sulphide.

Thus, we can say what happens is that both substances melt to form a solution.

5 0
3 years ago
Other questions:
  • Which may result from an increase in friction? Check all that apply.
    12·1 answer
  • To what is amplitude related? (1 pointthe amount of energy carried by the wave the maximum displacement from the rest position n
    5·1 answer
  • All atoms contain negatively charged ____________ that orbit around a positively charged nucleus.
    15·1 answer
  • North Africa is famous for its hand-woven carpets.<br><br> A-true <br><br> B-false
    15·1 answer
  • Astronomers have discovered several volcanoes on io, a moon of jupiter. one of them, named loki, ejects lava to a maximum height
    13·1 answer
  • Convert 180 km/h to m/s using dimensional analysis.
    6·1 answer
  • In your own words describe hot spot and the formation of the Hawaiian island
    11·1 answer
  • I need help plz<br> Help meh
    9·2 answers
  • PLS HELP!! IN QUIZ RN!
    5·1 answer
  • How deep under water would you need to be in order to be at double atomosphric pressure​
    9·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!