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Leto [7]
3 years ago
6

How many atoms are contained in 1cm of interstellar space?

Mathematics
2 answers:
Vlad1618 [11]3 years ago
8 0

Answer-1 billion

Step-by-step explanation:

Lubov Fominskaja [6]3 years ago
7 0

Answer:

0.1 atoms

Step-by-step explanation:

Typically, there is 0.1 atoms in each cubic centimeter of interstellar wind, and 10 ions in each cubic centimeter of solar wind (versus surface air which contains 3 x 10^19 molecules per cc). This means there is a great deal of dead space between the very tiny particles and collisions are rare.

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3 years ago
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Sin α = 21/29, α lies in quadrant II, and cos β = 15/17, β lies in quadrant I Find sin (α - β).
Sever21 [200]
\sin(\alpha-\beta)=\sin\alpha\cos\beta-\cos\alpha\sin\beta

\sin\alpha=\dfrac{21}{29}\implies \cos^2\alpha=1-\sin^2\alpha=\dfrac{400}{841}

Since \alpha lies in quadrant II, we have \cos\alpha, so

\cos\alpha=-\sqrt{\dfrac{400}{841}}=-\dfrac{20}{29}

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3 years ago
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DIA [1.3K]
3/4= j-1/2
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2 years ago
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