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astra-53 [7]
3 years ago
5

Help - Forces & Motion

Geography
2 answers:
professor190 [17]3 years ago
8 0
A, pull from the string
ankoles [38]3 years ago
6 0

Answer:

the answer is the one above

Explanation:

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balu736 [363]
The eye consists of dry, descending air.
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Using Wien’s Law, estimate the wavelength at which these common materials radiate their peak brightness (show your work):
SSSSS [86.1K]

Explanation:

Wien’s Law:

\lambda _{max}\propto \frac{1}{temperature}

The law states that the wavelength at which black body emits maximum heat  is inversely proportional to the temperature of the body in Kelvins.

\lambda _{max}=\frac{2.9\times 10^{-3}}{T}

1) Walls at 300 K

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{300 K}

\lambda _{max}=9.666\times 10^{-6} m

2) Ice water at 273 K :

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{273 K}

\lambda _{max}=1.062\times 10^{-5} m

3) Hot water at 373 K :

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{373 K}

\lambda _{max}=7.775\times 10^{-6} m

4)Skin at 310 K:

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{310 K}

\lambda _{max}=9.355\times 10^{-6} m

5)An incandescent light bulb at 3000 K

\lambda _{max}=\frac{2.9\times 10^{-3} mK}{3000 K}

\lambda _{max}=9.666\times 10^{-7} m

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3 years ago
Approximately what percentage of the earth's surface is covered by water?
vladimir1956 [14]
71 percent of the earths 
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3 years ago
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How much larger is a magnitude 9 earthquake than a magnitude 5.
insens350 [35]

Answer:

<em>That is, the wave amplitude in a level 6 earthquake is 10 times greater than in a level 5 earthquake, and the amplitude increases 100 times between a level 7 earthquake and a level 9 earthquake. The amount of energy released increases 31.7 times between whole number values.</em>

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What do the Andes and Rockies have in common (SELECT ALL)
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The Andes are more epic than the Rockies. The Andes are higher, and the Andes are longer. So, based on those objective criteria, the Andes wins

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