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Maurinko [17]
3 years ago
15

In some areas, farmers have installed windmills to generate electricity to run the farm. Some are generating a surplus of electr

icity and selling it back to the power company. The local power company burns fossil fuels, which pollute the environment, to generate electricity. Windmills do not pollute the environment. Evaluate the statements and choose the statement that best describes how the windmill technology benefits the environment. (2 points)
Windmill technology is a valuable resource that should be used whenever possible. The great advantage is that it uses a nonrenewable resource, the wind, to generate electricity. This is an advantage because nonrenewable resources will always be available.

Windmill technology allows individuals to generate power without polluting the environment. Some individuals could make money selling the power to the power company. This extra money will make the farmers' lives better.

Windmill technology can generate power using a renewable source of energy that does not pollute the environment. By generating a surplus of energy, individuals can sell it to the power company which can replace the energy generated by burning fossil fuels.

Windmill technology might use a renewable resource to generate power but putting the windmills up along the farms damages the environment. The advantage of using a renewable resource to generate power is less important than keeping farms free of windmills that might take up space.
Physics
2 answers:
vovangra [49]3 years ago
3 0

Windmill technology can generate power using a renewable source of energy that does not pollute the environment. By generating a surplus of energy, individuals can sell it to the power company which can replace the energy generated by burning fossil fuels.

The third alternative.

BartSMP [9]3 years ago
3 0

Answer:

Option (3)

Explanation:

Windmills are usually considered to be a structure that is commonly used in the region where there is a high amount of wind supply and converts the wind energy into electrical energy.

Wind is a renewable resource as it can be regenerated, and it does not emit any kind of harmful gases that can pollute the environment.

As these windmills produce electricity, it is being used by the farmers in the given region, and the excess amount of energy is sold to the various power companies by the individuals. This electrical energy so produced directly replaces the fossil fuels, that emits a significant amount of carbon and affects the environment.

Thus, the correct answer is option (3).

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OverLord2011 [107]

Answer:

(a) V = 0.75 m/s

(b) V = 0.125 m/s

Explanation:

The speed of the flow of the river can be given by following formula:

V = Q/A

V = Q/w d

where,

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(a)

Here,

Q = (300,000 L/s)(0.001 m³/1 L) = 300 m³/s

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V = (300 m³/s)/(20 m)(20 m)

<u>V = 0.75 m/s</u>

<u></u>

(b)

Here,

Q = (300,000 L/s)(0.001 m³/1 L) = 300 m³/s

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d = 40 m

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Explanation:

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