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s344n2d4d5 [400]
3 years ago
15

Astronomers have seen stars forming within a nebular cloud. As the nebular cloud condenses and its own gravitational attraction

collapses it, heat and energy build up creating _____.
nuclear fusion
a planet
nuclear differentiation
dust and gas
Physics
2 answers:
forsale [732]3 years ago
7 0
Nuclear fission is the answer
hope it helped!
Alenkasestr [34]3 years ago
3 0
Nebular cloud should be the answer, but i believe nuclear fusion is the closest answer, because it fuses together to become a cloud 

hope this helps
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4 0
2 years ago
Please help i'm going to throw up from stress
Eddi Din [679]

Answer:

Explanation:

First of all, I used the specific heat of water as 4182 J/(kgC) and the specific heat of ethyl alcohol (EtOH) as 2440 J/(kgC); that means that we need the masses in kg, not g.

120.g = .1200 kg of ethyl alcohol. Now for the formula:

t_f=\frac{(m_{H2O}*spheat_{H2O}*temp_{H2O})+(m_{EtOH}*spheat_{EtOH}*temp_{EtOH})}{(m_{H2O}*spheat_{H2O})+(m_{EtOH}*spheat_{EtOH})} where spheat is specific heat.

Filling that horrifying-looking formula in with some values:

16.0=\frac{(x*4182*20.0)+(.1200*2440*10.0)}{(x*4182)+(.1200*2440)} and

16.0=\frac{83640x+2928}{4182x+292.8} and

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4 0
3 years ago
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