4 years ago

What does the troposphere protect us from?

1 answer:

8 0

The troposphere is responsible for weather, including rain, which protects Earth's inhabitants from drought and starvation.

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What is the total number of natural element ?

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5 element's

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3 years ago

What type of bond is shown in the figure?

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ionic

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Because quantum mechanics is physics that describes the interactions of very small objects (i.e. molecules, atoms, and electrons

stira [4]

Ha! Lot of words but the question itself is easy.
The answer is 2.5 times 10 to the 5th power.
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What are saturated and non saturated vapour?

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A saturated vapour is one that is in balance with its own liquid. Space is considered to be unsaturated if it contains fewer vapours than the maximum amount it can retain at a given temperature. Saturated vapour pressure is unaffected by volume, although it rises as temperature rises.

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3 years ago

You hang a heavy ball with a mass of 94 kg from a platinum rod 3.2 m long by 2.2 mm by 3.1 mm. You measure the stretch of the ro

vlada-n [284]

Answer:

$1.67\times 10^{11} N/m^2$

Explanation:

Mass of the ball, $m=94 kg$

Force = weight of the ball

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For Young's modulus, substitute the values in the formula which is as follows:

$\frac{F}{A}=Y\frac{\Delta L}{L}\\\Rightarrow Y= \frac{FL}{A\Delta L}\\\Rightarrow Y =\frac{922.14 \times 3.2}{2.2\times 10^{-3}\times 3.1\times 10^{-3} \times 0.002588}=1.67\times 10^{11} N/m^2$

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3 years ago