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77julia77 [94]
3 years ago
9

Generation of electricity in coal-burning power plants and nuclear power plants both involve _______.

Physics
1 answer:
kolbaska11 [484]3 years ago
5 0

Answer:

Heating water to produce steam which drives a turbine

Explanation:

Generation of electricity in coal-burning power plants and nuclear power plants both involve heating water to produce steam which drives a turbine.

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What did copernicus say about the motion of the sun?.
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the sun was stationary in the center of the universe and the earth revolved around it....

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Deaths due to lifestyle diseases have declined since the early 1900s.<br><br> T<br> F
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<h2>False</h2>

Explanation:

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On a violin, the highest note Mandy can play is an A-note, which produces a sound wave with a high frequency. The lowest note sh
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I think the answer would be: The G-note's wavelength is longer

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6 0
3 years ago
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A ray of light passes from air into a block of clear plastic. How does the angle of incidence in the air compare to the angle of
andre [41]

Answer:

The angle of incidence is greater than the angle of refraction

Explanation:

Refraction occurs when a light wave passes through the boundary between two mediums.

When a ray of light is refracted, it changes speed and direction, according to Snell's Law:

n_1 sin \theta_1 = n_2 sin \theta_2

where :

n_1 is the index of refraction of the 1st medium

n_2 is the index of refraction of the 2nd medium

\theta_1 is the angle of incidence (the angle between the incident ray and the normal to the boundary)

\theta_2 is the angle of refraction (the angle between the refracted ray and the normal to the boundary)

In this problem, we have a ray of light passing from air into clear plastic. We have:

n_1=1.00 (index of refraction of air)

n_2=1.50 approx. (index of refraction in clear plastic)

Snell's Law can be rewritten as

sin \theta_2 =\frac{n_1}{n_2}sin \theta_1

And since n_2>n_1, we have

\frac{n_1}{n_2}

And so

\theta_2

Which means that

The angle of incidence is greater than the angle of refraction

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3 years ago
Which statement best explains how weight management through exercise can be a physiological mechanism?
aleksley [76]
D. Exercise promotes self-control
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3 years ago
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