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nexus9112 [7]
3 years ago
6

In Science, what is a model?

Physics
2 answers:
abruzzese [7]3 years ago
8 0

I'm not sure about the "in nature" part but i think its A

Citrus2011 [14]3 years ago
8 0

Pretty sure it’s A

Hope this helps

-AaronWiseIsBae

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What is the full meaning of (i.p.s.m.n)​
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Intraductal Papillary Mucinous Neoplasm

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Convert the arc length of 107869221.61 revolutions into rotation
Genrish500 [490]

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1 r = 6.283185 rad

677,762,308.31685 rad

Explanation:

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2 years ago
Starting circuit One battery. 2 light bulbs in parallel; switch What is the voltage across the battery? What is the voltage acro
balu736 [363]

Answer:

The voltage across light bulb 1 and light bulb 2 is the the same i.e V

Explanation:

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Consider a container of oxygen gas at a temperature of 23°C that is 1.00 m tall. Compare the gravitational potential energy of a
Sergio039 [100]

Answer:

Yes, it is reasonable to neglect it.

Explanation:

Hello,

In this case, a single molecule of oxygen weights 32 g (diatomic oxygen) thus, the mass of kilograms is (consider Avogadro's number):

m=1molec*\frac{1mol}{6.022x10^{23}molec} *\frac{32g}{1mol}*\frac{1kg}{1000g}=5.31x10^{-26}kg

After that, we compute the potential energy 1.00 m above the reference point:

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Then, we compute the average kinetic energy at the specified temperature:

K=\frac{3}{2}\frac{R}{Na}T

Whereas N_A stands for the Avogadro's number for which we have:

K=\frac{3}{2} \frac{8.314\frac{J}{mol*K}}{6.022x10^{23}/mol}*(23+273)K\\ \\K=6.13x10^{-21}J

In such a way, since the average kinetic energy energy is about 12000 times higher than the potential energy, it turns out reasonable to neglect the potential energy.

Regards.

8 0
3 years ago
What is the mechanical advantage of a pulley?
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<span>the mechanical advantage of a pulley is 1.0

</span>
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3 years ago
Read 2 more answers
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