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
Marrrta [24]
3 years ago
8

Which of the following changes would make a heat engine less efficient

Physics
1 answer:
DIA [1.3K]3 years ago
8 0
A heat engine would be less efficient due to many factors 
For instance, a heat engine is more efficient when it uses in cold weather because there is a greater temperature difference ( Carnot Efficient )
A heat engine could be less efficient because of friction
Hope it helps I am a beginner
You might be interested in
Temperature danger zone <br> what is the biggest cause of foodborne illness
Nina [5.8K]
Foodborne illnesses are caused by eating contaminated food and drinking contaminated water. The contaminations are caused mostly by bacteria, virus, and parasites.
5 0
2 years ago
Maggie completed a 10000-m race at an average speed of 160
Gala2k [10]

Answer: 200m/min

Explanation:

Divide 10000m by 160m/min, you will get the answer 62.5. You then subtract 12.5 from 62.5 to understand what you will need your answer for the other person’s speed will be. 10000m divided by 50min is 200m/min.

3 0
3 years ago
What is the difference between: first moment of area and second moment of area?
zhannawk [14.2K]
To determine the centroid of the object first moment of area is used.

To predict the resistance of a shape to bending and deflection which are directly proportional, second moment of area is used.

6 0
3 years ago
What material or device prevents the conducting of electricity?
PtichkaEL [24]

Answer:

Explanation:

An insulator. You can see ceramic insulators on telephone poles and power poles if you look carefully. If you live in a city, somewhere in that city is a power station. The insulators are huge. They have to be. The currents are very large in many cases.

4 0
3 years ago
Skater A travels with velocity of 3.2 m/s and has a momentum of 200 kg m/s
Ivenika [448]

Here's link^{} to the answer:

bit.^{}ly/3gVQKw3

5 0
2 years ago
Other questions:
  • Which two factors does the power of a machine depend on
    8·2 answers
  • Which equation shows a conservation of mass?
    7·1 answer
  • Two point charges each experience a 1-N electrostatic force when they are 2 cm apart. If they are moved to a new separation of 8
    6·1 answer
  • Molds survive best in <br> A) warm, most<br> B) dry, cold <br> C) bright, sunny<br> places
    7·2 answers
  • Some extremely hot objects that emit
    6·1 answer
  • Un niño de 25 kg corre por un jardín con una velocidad de 2.5 m/s de forma que su trayectoria es tangente al borde de un carruse
    11·1 answer
  • A cat runs 80 meters to the left in 16 seconds, then 50 meters to the right in 10 seconds, then 70 meters to the left in 14 seco
    9·1 answer
  • The
    10·1 answer
  • Which of the following surface will absorb radiant heat energy best
    12·2 answers
  • A proton exits the cyclotron 1.0 ms after starting its spiral trajectory in the center of the cyclotron. How many orbits does th
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!