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kondor19780726 [428]
3 years ago
13

Which will reduce the possible environmental damage associated with mining uranium?

Physics
1 answer:
nignag [31]3 years ago
6 0

Answer:

B

Explanation:

Edge 2021

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From first law of motion, law of inertia, we know that an object remains in the state of rest or motion unless acted upon by an unbalanced external force. The skateboard riding down a hill when reaches the bottom slows down due to <u>frictional force </u>acting in the opposite direction. Frictional force is a contact force which acts between two surfaces against the direction of  motion of one surface over the other. Here, frictional force acts <u>between skateboard and ground</u>. This reduces the speed of the skateboard and it eventually stops.

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The faintest sound an ear can hear (20 micro-pascals) is roughly ______ times smaller than atmospheric pressure at sea level.
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Answer: 5.06\times10^{9}

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Hence, the atmospheric pressure at sea level is 5.06\times10^{9} times greater than the faintest sound that a human ear can hear.



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The statement is false.

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