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3 years ago

Which of the following industries is especially dependent upon the production of copper?

1 answer:

N76 [4]3 years ago

6 0

Copper is a chemical element with symbol Cu and atomic number 29. It is a soft, malleable, and ductile metal with very high thermal and electrical conductivity. A freshly exposed surface of pure copper has a reddish-orange color. Copper is used as a conductor of heat and electricity, as a building material, and as a constituent of various metal alloys, such as sterling silver used in jewelry, cupronickel used to make marine hardware and coins, and constantan used in strain gauges and thermocouples for temperature measurement.

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3) When the temperature of a blackbody increases from 900 K to 2300 K, by what factor does the total power of the electromagneti

LekaFEV [45]

Answer:

The electromagnetic radiation per-unit- area increase by 42.65 times.

Explanation:

The radiation per-unit- area (P) is directly proportional to the fourth power of the temperature. Thus,

P ∝ T⁴

For, when the temperature is raised from T₀ to T₁ , the radiation per-unit- area is related to as:

$\frac {P_1}{P_0}=\frac {T_1^4}{T_0^4}$

T₀ = 900 K

T₁ = 2300 K

$\frac {P_1}{P_0}=\frac {2300^4}{900^4}$

So,

P₁ = 42.65 P₀

The electromagnetic radiation per-unit- area increase by 42.65 times.

6 0

4 years ago

Regions nearer the equator have ______ climates while those near poles have _____ climates.

Dmitriy789 [7]

I believe the answer is C.

6 0

4 years ago

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To give all Mongolians access to the Internet, the government plans to _____.

Zepler [3.9K]

ANSWER:

To give all Mongolians access to the Internet, the government plans to use wireless technology.

EXPLANATION:

Wireless technology here defined the gadgets which can be worked in a wire free environment. It is a gadget which are free from wires.

With the help of wireless devices people will be able to connect from one place to another.

These wireless technology works through waves which are RF and IR waves. Three section of Wireless connections are WAN, LAN PAN.

4 0

4 years ago

Mesopotamia means good farmlands true or talse

almond37 [142]

Answer:

False

Explanation:

I mean it could be good farm land but it doesn't have to. The orgin of Mesopotamia means between two rivers which makes it good for farming.

4 0

3 years ago

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During world war ll, Germany was an _ power and Italy was an _ power . Axis Allied

barxatty [35]

Germany: Axis
Italy: Axis

there were only 3 axis powers:
Germany under Hitler
Italy under Mussolini
Japan under Hirohito

the majory of the world made up the allies

4 0

3 years ago

Read 2 more answers