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hichkok12 [17]
2 years ago
6

When a satellite orbits the earth?

Physics
1 answer:
vesna_86 [32]2 years ago
4 0
What kind of question is this lol
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Melting butter is a physical change. Which best describes what is happening?
kati45 [8]

Answer:

Option B

Explanation:

The butter forms a new arrangement of atoms i.e from solid to liquid

3 0
3 years ago
The field is strongest at which point?
Licemer1 [7]

Answer:The poles

Explanation:

The field is strongest at the poles

4 0
3 years ago
The earth and the moon exert forces on each other which forces is greater? explain
Helen [10]

Thank you for your question, what you say is true, the gravitational force exerted by the Earth on the Moon has to be equal to the centripetal force.

An interesting application of this principle is that it allows you to determine a relation between the period of an orbit and its size. Let us assume for simplicity the Moon's orbit as circular (it is not, but this is a good approximation for our purposes).

The gravitational acceleration that the Moon experience due to the gravitational attraction from the Earth is given by:

ag=G(MEarth+MMoon)/r2

Where G is the gravitational constant, M stands for mass, and r is the radius of the orbit. The centripetal acceleration is given by:

acentr=(4 pi2 r)/T2

Where T is the period. Since the two accelerations have to be equal, we obtain:

(4 pi2 r) /T2=G(MEarth+MMoon)/r2

Which implies:

r3/T2=G(MEarth+MMoon)/4 pi2=const.

This is the so-called third Kepler law, that states that the cube of the radius of the orbit is proportional to the square of the period.

This has interesting applications. In the Solar System, for example, if you know the period and the radius of one planet orbit, by knowing another planet's period you can determine its orbit radius. I hope that this answers your question.


8 0
3 years ago
Which best describes electrical energy? a. energy released by a chemical reaction b. energy produced by flow of electric charge
inessss [21]
<span> energy produced by flow of electric charge describes a electrical energy
because movement of electric charge do effect the work on system 
so correct option is B 
hope it helps</span>
4 0
3 years ago
Read 2 more answers
Which factor is the most imortant in performing the activities of daily living
wariber [46]

Answer:

Muscular endurance is the most important factor in performing the activities of daily living.

7 0
3 years ago
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