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Alex Ar [27]
3 years ago
13

The branch of science concerning heat flow and energy conversions is called _____. chemistry thermodynamics conversion science a

tomic studies
Physics
2 answers:
tatiyna3 years ago
5 0

The branch of science concerning heat flow and energy conversions is called thermodynamics. The pattern that takes place in the ecosystem regarding the flow of energy is from a higher energy state t a lower energy state. It follows the second law of thermodynamics, the entropy in which all things go into the chaotic state from a higher form into lower form.

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madreJ [45]3 years ago
4 0

Answer:thermodynamics

Explanation:

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Please follow me guys <br>​
Lilit [14]

Answer:

if i do give me brainliest ok ok

Explanation:

7 0
3 years ago
A freight car moves along a friction less level railroad track at constant speed. The car is open on top. A large load of coal i
maxonik [38]

Answer:

The velocity of the freight car decreases.

Explanation:

This question is answered by the conservation of momentum principle.

When the freight car is moving at a certain speed, it has a constant momentum.

We will call this M1.

The equation for M1 will be:

M1 = Mass * Speed

Now when the coal is dumped into the freight car, the Mass increases.

Since conservation of momentum states that the momentum will remain the same. We have:

M1 = (Mass of freight + Mass of coal) * Speed

Since M1 is constant, if the mass increases, the speed had to decrease to keep the equation true.

8 0
3 years ago
Which event is an example of vaporization?
oksano4ka [1.4K]
B would be an example of vaporization (liquid to gas).

———————

A is an example of deposition (gas to solid); C is an example of condensation (gas to liquid); and D is an example of condensation, deposition, or freezing—depending on the type of cloud.
6 0
3 years ago
Describe one practical use of a concave mirror.
Tatiana [17]

Answer:

Here are some uses...

Explanation:

Uses of convex mirror:

It is used in supermarkets and stores for surveillance.

It it is used as rear view mirror in automobiles.this is due to the reason that a convex mirror provides a wider field of view than a plane or concave mirror.

Uses of concave mirror:

It is used in torches.

They are used in headlights of vehicles to send parallel rays to infinity , in shaving mirror to get an enlarged image of the face and also by dentists to see a bigger image of the tooth / teeth .

Mark as brainliest if helped thanks!

7 0
3 years ago
Read 2 more answers
At the accounting break-even point, Swiss Mountain Gear sells 22,940 ski masks at a price of $19 each. At this level of producti
gogolik [260]

Answer:

fixed cost $231220

Explanation:

given data:

quantity of skl mask = 22,940

skl mass rate = $19 each

variable cost = $6 per unit

therefore

Contribution/unit of ski mask  = 19 - 6 = $13

for 22940 ski masks, total cost =  (22940*13) =  298220

Depreciation cost  $67000

fixed cost is = 298220 - 67000 = $231220

8 0
2 years ago
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