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USPshnik [31]
3 years ago
8

Explain how convection currents transfer heat in the atmosphere\

Physics
1 answer:
Len [333]3 years ago
3 0

Explain how convection currents transfer heat in the atmosphere\

-----------------------

hot air rises as it is less dense than cold.

=> convection currents eg sea breezez


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An atom with the expected number of neutrons, protons, and electrons is called a(n)
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Answer:

Stable atom

Explanation:

A stable atom is one that has a balanced nuclear inter-particle force reaction as such the binding energy of a stable atom is sufficient to permanently keep the nucleus as one unit. Examples of a stable atom are the atoms of  monoisotopic elements such as fluorine, sodium, iodine, gold, aluminium, and cobalt.

In a stable atom the expected number of proton, neutron, and electron are present while in an unstable atom or radioactive atom, there are more than the expected number of neutrons or protons, such that the internal energy of the nucleus is excessive and more than the binding energy, which can lead to radioactive decay.

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A baseball thrown from the outfield to home plate does not have which of the following types of energy while it's in the air? A.
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The ball does not have D. Radiant energy.
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When looking at a food label, to be considered a good source of a nutrient, the nutrient must be? A.More than 20% of your daily
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A. More than 20% of your daily recommended amount.

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To check if the food you're consuming is a good source of that nutrient you need in higher amount, the nutrient must be labeled 20% or higher.

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What is one way you are using nonrenewable resources?
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Putting gas in your car is one way you are using non-renewable resources.

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3 years ago
Suppose I have a vector that is 7 units long and that makes an angle of +30 degrees from the positive x-axis. I want to add to t
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sum of these two vectors is 6.06i+3.5j-3.5i+6.06j = 2.56i+9.56j

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We have given first vector which has length of 7 units and makes an angle of 30° with positive x-axis

So x component of the vector =7cos30^{\circ}=7\times 0.866=6.06

y component of the vector =7sin30^{\circ}=7\times 0.5=3.5

So vector will be 6.06i+3.5j

Now other vector of length of 7 units and makes an angle of 120° with positive x-axis

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Now sum of these two vectors is 6.06i+3.5j-3.5i+6.06j = 2.56i+9.56j

5 0
3 years ago
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