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daser333 [38]
3 years ago
7

Molecular clouds range in mass from a few times the mass of our Sun (solar masses) to 10 million solar masses. Individual stars

range from 0.08 to about 150 solar masses. What does all of this imply about how stars form from molecular clouds
Physics
1 answer:
babymother [125]3 years ago
3 0

Answer:

Explained in Depth.

Explanation:

It is all matter of what kind of stars are we talking about, for simplicity let's say we are talking about normal stars such as our sun.

If there is a molecular cloud that has a mass that is slightly larger than our sun then it is possible that the gravity will eventually pull together cloud into a sphere that would have enough mass to start nuclear fusion which is important to become a star.

Mass of such cloud would be 1.98x10^30Kg almost equal to the sun's mass.

All of this implies that stars are formed when there is enough mass to let gravity pull it all together into a sphere that has enough gravitational pull to start nuclear fusion inside the core.

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Calculate the acceleration due to gravity at a point 1000km above the surface of the earth?
klio [65]

Answer:

g' = 6.74 m/s²

Explanation:

R = 6400km

h = 1000km

g = 9.81m/s

g' = g(1 - 2h/R)

Goodluck

3 0
4 years ago
3. A Japanese bullet train slows from a speed of 50 m/sec to a speed of 40 m/sec in 500m.
Triss [41]

Answer:

-0.9 m/s²

Explanation:

Given:

Δx = 500 m

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v = 40 m/s

Find: a

v² = v₀² + 2aΔx

(40 m/s)² = (50 m/s)² + 2a (500 m)

a = -0.9 m/s²

6 0
4 years ago
What is scientific inquiry (method) ?
Shtirlitz [24]
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6 0
3 years ago
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andreyandreev [35.5K]

Answer:

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7 0
3 years ago
Oppositely charged objects attract each other. This attraction holds electrons in atoms and holds atoms to one another in many c
GalinKa [24]

Answer and Explanation:

This can be explained as in Rutherford's model of atom the electrons orbits the nucleus which means that they will travel around the nucleus with some velocity and hence radiate electromagnetic waves which results in the loss of energy due to which the electron keeps coming closer and eventually falls into the nucleus.

But Bohr came up with a better explanation as according to the Bohr's atomic model, electrons stay fixed in orbit with certain energy in different shells around the nucleus and can only jump from an energy level to another if that specific amount of energy is supplied to it.

This model is based on the quantization of energy thus giving an explanation why electrons do not fall into the nucleus of an atom.

6 0
3 years ago
Read 2 more answers
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