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DedPeter [7]
4 years ago
10

What is true about a circular orbit?

Physics
1 answer:
emmasim [6.3K]4 years ago
6 0
A circle is just a very very very special kind of ellipse.
So the correct choice is ' A ' .
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C) A sample of substance of volume 10 cm3 was brought back to Earth from the Moon.
postnew [5]

Answer:

8125

Explanation:

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4 years ago
Freya has a mass of 14kg she is running at 1.1m/s to the left when she runs into Eric, who is standing still. Eric has a mass of
Lilit [14]

Their final velocity  is 0.48 m/s.


We can use conservation of momentum to calculate the magnitude of the final velocity.


Momentum before collision is equal to the momentum after collision


m1v1+m2v2=(m1+m2)v


here, v is final velocity , assuming right side velocity as positive, and left side velocity as negative.


14*(-1.1)+18*(0)=(14+18)v


v=-0.48 m/s


Here, negative sign indicates that they both  will move in left direction.



8 0
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Describe Why is it difficult for a human to travel long distance in space
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Answer:

it is diffuluct for a human because we understand so littlebout how to build a self-sustaining ecosystem that can support us, especially under tight constraints as to its total mass. Simply getting into Earth orbit

Explanation:

That is why it is diffulcut

7 0
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Which image illustrates reflection?<br> A<br> B<br> с<br> D
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Answer: I beleive A

Explanation:

8 0
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