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3 years ago

What do wind turbines do to moving air?

2 answers:

7 0

The giant fans you sometimes see (mostly in the countryside) are wind turbines. Although they look like fans, spinning around in place, functionally, they’re the opposite of fans. Instead of using electricity to generate wind, as fans do, wind turbines use wind to generate electricity. Sound interesting? Let’s find out how.

ohaa [14]3 years ago

3 0

They transform kinetic (mechanical/moving) energy into electrical energy that is used to run homes and such.

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How is the Nazca plate moving in relation to the Pacific plate?

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The Nazca Plate is bounded on the west by the Pacific Plate and to the south by the Antarctic Plate through the East Pacific Rise and the Chile Rise.The Nazca plate is an oceanic tectonic plate in the southeastern Pacific Ocean that shares both convergent and divergent boundaries.

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Y_Kistochka [10]

The element which can not loose electron easily and having electronagtive character is called non-metal it has following property-

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2. it is netiher ductile not malleable

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Which of the following describes a strong acid?

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I remember learning this last y’all i jus don’t remember it might be A or C

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3 years ago

N2 + 3 H2 → 2 NH3

sweet [91]

Answer:

Explanation:

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3 years ago

If aluminum is diffused into a thick slice of silicon with no previous aluminum in it at a temperature of 1100˚C for 8 hours, wh

RideAnS [48]

Answer:

8.354 nanometers

Explanation:

To treat a diffusive process in function of time and distance we need to solve 2nd Ficks Law. This a partial differential equation, with certain condition the solution looks like this:

$\frac{C_{s}-C{x}}{C_{s}-C_{o}}=erf(x/2\sqrt{D*t})$

Where Cs is the concentration in the surface of the solid

Cx is the concentration at certain deep X

Co is the initial concentration of solute in the solid

and erf is the error function

Then we solve right side,

$\frac{C_{s}-C{x}}{C_{s}-C_{o}}=\frac{1018atoms/cm3-1016atoms/cm3}{1018atoms/cm3}=0.001964$

And we need to look up the inverse error function of 0.001964 resulting in: 0.00174055

Then we solve for x:

$x=0.00174055*2*\sqrt{D*t} =0.00174055*2*\sqrt{2*10^{-12}cm^{2}/s*8h*3600s/h}=8.35464*10^{-7}cm$

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3 years ago

What do wind turbines do to moving air? ​

What do wind turbines do to moving air?