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Digiron [165]
3 years ago
5

An aurora can be found in the _____.

Physics
2 answers:
Tomtit [17]3 years ago
7 0
I believe the correct answer is d. thermosphere. 
mrs_skeptik [129]3 years ago
3 0
The correct answer is D. . I just took a quiz and It said it was right so.. The answer is D. 
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Use the graph below to answer the following question: What is happening to the object's velocity?
hjlf

The object's velocity is decreasing.

Explanation:

From graph is the attached image, we can clearly point that the velocity of this motion is decreasing with time.

Velocity is a vector quantity.

  • The y-axis represent displacement.
  • The x-axis depicts time
  • Using the graph, we know that the slope of the line on the graph gives us the velocity as it denotes the change of displacement with time.
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learn more:

Velocity brainly.com/question/4460262

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4 0
3 years ago
Gravitational potential energy is due to....
mote1985 [20]

Answer:

A

Explanation:

I only think its A because of the gravity part...sorry im not good at explaining

5 0
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DochEvi [55]
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5 0
3 years ago
Gravitational energy can be negative?
AlladinOne [14]

answer:

yes

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At a separation of the surface of Earth (r=6400km) gravity wants pull the test mass closer and closer. ... So the work done by gravity is NEGATIVE. The gravitational potential energy is negative because us trying to do the opposite of what gravity wants needs positive energy.

6 0
3 years ago
A car travels 10.0 m/s. What is its velocity in km/h?
Vitek1552 [10]
Since 1m/s=3.6 km/h, we can conclude that 10.0m/s = 36 km/h
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