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Mila [183]
3 years ago
13

Astronomers think planets formed from interstellar dust and gases that clumped together in a process called? A. stellar evolutio

n B. nebular aggregation C. planetary accretion D. nuclear fusion
Physics
2 answers:
WINSTONCH [101]3 years ago
8 0

Answer:

<em>C. planetary accretion</em>

Explanation:

<em>Astronomers think planets formed from interstellar dust gases that clumped together in a process called </em><u><em>planetary accretion</em></u><em>.</em>

Naily [24]3 years ago
8 0

Answer:

\boxed{\sf C. \ planetary \ accretion }

Explanation:

Astronomers think planets formed from interstellar dust and gases that clumped together in a process called planetary accretion.

Planetary accretion is a process in which huge masses of solid rock or metal clump together to produce planets.

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Marta_Voda [28]

Answer:

Acceleration, a=9.91\times 10^{15}\ m/s^2

Explanation:

It is given that,

Separation between the protons, r=3.73\ nm=3.73\times 10^{-9}\ m

Charge on protons, q=1.6\times 10^{-19}\ C

Mass of protons, m=1.67\times 10^{-27}\ kg

We need to find the acceleration of two isolated protons. It can be calculated by equating electric force between protons and force due to motion as :

ma=\dfrac{kq^2}{r^2}

a=\dfrac{kq^2}{mr^2}      

a=\dfrac{9\times 10^9\times (1.6\times 10^{-19})^2}{1.67\times 10^{-27}\times (3.73\times 10^{-9})^2}      

a=9.91\times 10^{15}\ m/s^2

So, the acceleration of two isolated protons is 9.91\times 10^{15}\ m/s^2. Hence, this is the required solution.

3 0
3 years ago
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makvit [3.9K]
The current flow will increase 
3 0
4 years ago
Which of the following is a measurement of acceleration?
Tems11 [23]
B is the correct answer because an object moving ten north m/s will turn into 15m/s which as you can tell is accelerating.
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3 years ago
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Explanation:

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7 0
3 years ago
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