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3 years ago

Why are open systems harder to study than closed systems?

Engineering

1 answer:

GuDViN [60]3 years ago

3 0

Answer:

Explanation:

There are three types of systems in thermodynamics: open, closed, and isolated. An open system can exchange both energy and matter with its surroundings. A closed system, on the other hand, can exchange only energy with its surroundings, not matter.

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For the same cross-sectional area, which column provides the higher buckling load: a circular bar or a circular tube?

juin [17]

Answer:

Circular tube

Explanation:

Now for better understanding lets take an example

Lets take

Diameter of solid bar= $4\sqrt{2}$ cm

Outer diameter of tube =6 cm

Inner diameter of tube=2 cm

So from we can say that both tubes have equal cross sectional area.

We know that buckling load is given as $P = \dfrac{\pi ^2EI}{L_e^2}$

If area moment of inertia(I) is high then buckling load will be high.

We know that area moment of inertia(I)

For circular tube $I = \dfrac{\pi }{64}(D_o^4-D_i^4)$

For circular bar $I = \dfrac{\pi }{64}D^4$

Now by putting the values

For circular tube $I=62.83 cm^4$

For circular bar $I=50.26 cm^4$

So we can say that for same cross sectional area the area moment of inertia(I) is high for tube as compare to bar.So buckling load will be higher in tube as compare to bar.

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3 years ago

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andriy [413]

Answer:

1) 4.361 x 10 raised to power 8 revolutions

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Explanation:

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3 years ago

The moisture content in air (humidity) is measured by weight and expressed in pounds or ____________________.

VikaD [51]

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2 years ago

Your driver license will be _____ if you race another driver on a public road, commit a felony using a motor vehicle, or are fou

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Hello there,

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So our answer is: A)

Achievements.

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4 years ago

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Tanzania [10]

Answer:

englishhhh pleasee

Explanation:

we dont understand sorry....

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3 years ago

Why are open systems harder to study than closed systems?​

Why are open systems harder to study than closed systems?