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grandymaker [24]
2 years ago
13

Which of the following statements best describes energy conservation in heat engines?

Physics
1 answer:
Lorico [155]2 years ago
5 0
B is the correct answer
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You get hit in the head with a baseball as it is falling. What are the action and reaction forces?
german

Answer:

Action: Gravity pulls on the ball.

Reaction: The ball falls to the ground.

Explanation:

5 0
2 years ago
HELP! Can an object that is in motion have balanced forces? Explain your answer
Elan Coil [88]

Answer:

Yes.

Explanation:

Newton's first law says that an object in motion stays in motion and an object at rest stays at rest until acted upon by an unbalanced force.

If an object in motion has balanced forces, it will stay in motion.  For example, if an object is falling at terminal velocity (for example, a parachuter), then the force of gravity is equal and opposite to the force of air resistance.  The forces are balanced, and the object continues to fall at a constant speed.

6 0
3 years ago
As part of the Antarctic Treaty System, all facilities on Antarctica are inspected. What is one reason there's a need for these
Alinara [238K]

Answer:

D. To ensure common resources are not overused

Explanation:

  • The article of the antarctic treaty VII provides that all the consultative parties have a right to designate the observers and to undertake the inspection as of the protocol 14 of that provides the protection of the environment and to safeguard the ecological system.  
  • Since 1963, about 9 inspections have been conducted by the teams by visiting the stations, facilities, the vessels, and the protected areas across a wide area of East Antarctica, The most recent Antarctica expedition treaty inspection was done in Dec 2016.
5 0
2 years ago
A 5.00 g bullet traveling 355 m/s is stopped by lodging in the side of a building. The heat produced is shared between the build
steposvetlana [31]

Answer:

Explanation:

Given

mass of bullet m=5\ gm

speed of bullet v=355\ m/s

bullet is stopped by building and heat produced is shared between building and bullet

Kinetic Energy of bullet is converted into Thermal energy

Kinetic Energy of bullet K=\frac{1}{2}mv^2

K=0.5\times 5\times 10^{-3}\times (355)^2

K=315.06\ J

So 315.06 J of Energy is converted in to thermal energy

7 0
3 years ago
Is my answer correct plz explain i don't understand it.
lora16 [44]

Answer:

yes that is correct

Explanation:

4 0
3 years ago
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