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tatuchka [14]
3 years ago
13

Which of the following is NOT a problem associated with surface mining?

Engineering
1 answer:
just olya [345]3 years ago
6 0
<h2>Question:</h2>

Which of the following is NOT a problem associated with surface mining?

<h2>Answer:</h2>

<u>Oil</u><u> </u><u>spills</u><u> </u>

<h2><u>#CARRYONLEARNING</u><u> </u></h2><h2><u>#STUDYWELL</u><u> </u></h2>
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I can't log in even though it says all ages are accepted.Instead when I TRY logging in it says this. "We're sorry, but we are no
uysha [10]

Answer:

Explanation:

This is not a question so to say. This is more like a complaint about how the platform works. Are you needing help with solving a personal problem or having troubles with the platform in itself

8 0
3 years ago
A shaft made of stainless steel has an outside diameter of 42 mm and a wall thickness of 4 mm. Determine the maximum torque T th
fiasKO [112]

Answer:

Explanation:

Using equation of pure torsion

\frac{T}{I_{polar} }=\frac{t}{r}

where

T is the applied Torque

I_{polar} is polar moment of inertia of the shaft

t is the shear stress at a distance r from the center

r is distance from center

For a shaft with

D_{0} = Outer Diameter

D_{i} = Inner Diameter

I_{polar}=\frac{\pi (D_{o} ^{4}-D_{in} ^{4}) }{32}

Applying values in the above equation we get

I_{polar} =\frac{\pi(0.042^{4}-(0.042-.008)^{4})}{32}\\I_{polar}= 1.74 x 10^{-7} m^{4}

Thus from the equation of torsion we get

T=\frac{I_{polar} t}{r}

Applying values we get

T=\frac{1.74X10^{-7}X100X10^{6}  }{.021}

T =829.97Nm

7 0
3 years ago
The 1st part of the cell theory states that all things are made of cells. Why was
Karolina [17]

Answer:

It's one of the key standards of science, and it's critical to the point that it has become data a significant number of us underestimate. Realizing that every single living thing are comprised of cells permits us to see how creatures are made, develop, and kick the bucket. That data encourages us see how new life is made, why living beings take the structure they do, how malignant growth spreads, how maladies can be overseen, and that's only the tip of the iceberg. Cells even assist us with understanding principal issues, for example, life and passing: a creature whose cells are living is viewed as alive, while one whose cells are dead is viewed as dead. Illness, how creatures develop, and passing were substantially more of a puzzle contrasted with what we know today.

Explanation:

The cell theory is one of the primary hypotheses of science. It has three primary parts:  

  1. Every single living thing are comprised of cells.  
  2. Cells are the fundamental structure squares of life.  
  3. All cells originate from previous cells made through the procedure of cell division.  

As our logical information has expanded after some time, extra parts have been added to the theory. Schleiden and Schwann, just as Virchow, are for the most part observed as the organizers of the cell theory, because of their spearheading logical work during the 1800s. The cell theory is significant in light of the fact that it influences about each part of science, from our comprehension of life and passing, to how we oversee ailments, and the sky is the limit from there.  

Different pieces of the cell theory since they weren't a piece of the first definition, yet it's as yet valuable to know about them:  

  1. Vitality stream happens inside cells.  
  2. Innate data is passed from cell to cell.  
  3. All cells have a similar fundamental substance piece.
3 0
3 years ago
What color in the visible spectrum has the longest wavelength?<br> yellow<br> red<br> blue<br> green
trapecia [35]

Answer:

red

Explanation:

6 0
2 years ago
In the LC-3 data path, the output of the address adder goes to both the MARMUX and the PCMUX, potentially causing two very diffe
dangina [55]

Answer:

no need for that

Explanation:

they are not the same at all

3 0
3 years ago
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