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gavmur [86]
3 years ago
13

What happens when heat is transferred by convection

Physics
1 answer:
Dimas [21]3 years ago
3 0
Convection<span> is </span>heat transfer<span> by mass motion of a fluid such as air or water when the </span>heated<span> fluid is caused to move away from the source of </span>heat<span>, carrying energy with it. </span>
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What state of matter is it that it starts at a liquid then loses energy during the change of state
miv72 [106K]
Well, if the substance started as a liquid, lost energy, and changed state, then it's in the SOLID state right now.
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3 years ago
The sun’s surface has a grainy texture produced by numerous bright markings called _____.
Schach [20]
<span>the markings are called granules


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4 0
3 years ago
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Which is bigger and by how much? nanogram or microgram?
ddd [48]

The microgram is the greater mass.  It takes 1,000 nanograms to make just one.  One microgram is 999 nanograms bigger than one nanogram.

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3 years ago
The arrival time of an elevator in a 12-story dormitory is equally likely at any time range during the next 5.5 minutes. (a) Cal
Bumek [7]

Answer:

(a). 2.8 minutes.

(b). 0.4732

Explanation:

Without mincing words, let's dive straight into the solution to the question.

So, for the part (a), the expected arrival time can be calculated as given below.

The distribution falls between the ranges of 0(lower boundary) to 5.5minutes(upper boundary).

Therefore, the expected time = (0 + 5.5)÷ 2 = 2.75 minutes = 2.8 minutes(to 2 decimal places).

(b). The probability that an elevator arrives in less than 2.6 minutes can be calculated as given below;

Recall: We have that the upper boundary = 0 and the lower boundary = 5.5 minutes for the distribution. Also, the upper limit is equal to 2.6 minutes and the lower limits = 0 minutes.

Therefore, 1/ (5.5 - 0) = 1/5.5 = 0.182.

Therefore, the probability that an elevator arrives in less than 2.6 minutes = 0.182 ( 2.6 - 0).

The probability that an elevator arrives in less than 2.6 minutes = ( 0.182 × 2.6).

The probability that an elevator arrives in less than 2.6 minutes = 0.4732.

6 0
3 years ago
In your own words, describe conservation of mass. Use examples to support your answer.
olganol [36]

The law of conservation of mass states that mass in an isolated system is neither created nor destroyed by chemical reactions or physical transformations. According to the law of conservation of mass, the mass of the products in a chemical reaction must equal the mass of the reactants.

4 0
4 years ago
Read 2 more answers
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