1) What describes the unusually large release of plasma from the sun's corona?

1 answer:

4 0

1) The correct answer is CME:
In fact, CME stands for "Coronal Mass Ejection", and they are huge release of plasma and magnetic field from the corona of the Sun.

2) The only statement that could be true is "X and Y are both within the solar system."
In fact, the distance between X and Y is 30.2 AU (1 AU is the distance between Earth and Sun). Pluto, the farthest planet from the Sun, is located at approximately 40 AU from the Sun: the distance between X and Y is smaller than this value, so they could be both in the solar system.

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If both mass and speed are doubled, what happens to its momentum?

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The general formula is: Momentum = (mass) x (speed)

I never like to just write a bunch of algebra without explaining it.
But in this particular case, there's really not much to say, and
I think the algebra will pretty well explain itself. I hope so:

Original momentum = (original mass) x (original speed)

New momentum = (2 x original mass) x (2 x original speed)

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   = (2) x (2) x (original mass) x (original speed)

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   = (4) x (original momentum).

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A and B are equivalent. That's one way instruments are often grouped. (the "sopranos", the "altos", the "bass")

C is another way instruments are often grouped; (the "woods", the "brass")

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