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2 years ago

B. Compare the effects of a coal-fired power stations and nuclear power stations.

1 answer:

3 0

The effects of nuclear power plants are much less harmful to the environment than that of coal-fired stations due to greenhouse gasses emitted by coal-powered stations.

<h3>What are the differences between these types of power?</h3>

Nuclear power plants will last much longer than that of coal-fired stations given that the coal-powered plants rely on a finite natural resource. Nuclear power plants are also much safer and cleaner for the environment <u>if handled and cared for correctly</u>. This is due to the large amounts of greenhouse gasses emitted by coal burning.

Therefore, we can confirm that nuclear power plants are much less harmful to the environment than coal-fired stations due to greenhouse gasses emitted by coal-powered stations.

To learn more about nuclear power visit:

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3 years ago

Which source of power can reduce emission of carbon dioxide?

ki77a [65]

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3 years ago

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3 years ago

2. A 200.0-kg bear grasping a vertical tree slides down at constant velocity. What is the friction force between the tree and th

Neporo4naja [7]

Answer: 1960 N

Explanation:

The bear is sliding down at constant velocity: this means that its acceleration is zero, so the net force is also zero, according to Newton's second law:

$F_{net}=ma=0$

There are two forces acting on the bear: its weight W, pulling downward, and the frictional force Ff, pulling upward. Therefore, the net force is given by the difference between the two forces:

$F_{net}=W-F_f=0$

From the previous equation, we find that the frictional force is equal to the weight of the bear:

$F_f=W=mg=(200.0 kg)(9.8 m/s^2)=1960 N$

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3 years ago