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nalin [4]
1 year ago
12

When discussing Material Science, the author states, “The amount of existing materials on Earth is limited by nature and human k

nowledge.” Explain what this means to a material scientist.
Also, Why do you think that those in mechanical engineering often do not have specializations as other fields of engineering do?
and
If nothing can ever be at absolute zero, why does the concept exist?
Engineering
2 answers:
Mars2501 [29]1 year ago
4 0

A material scientist investigates the characteristics of materials and their uses. Nature and human knowledge restrict the number of existing materials on Earth. This signifies that there is a limited amount of material available for use in the production of goods.

Given that they deal with the design and manufacturing of things, mechanical engineers sometimes lack the specialties seen in other branches of engineering. This necessitates a thorough understanding of all elements of engineering.

<h3>Why does Absolute Zero Exist?</h3>

Absolute zero, also known as zero kelvins, is equivalent to 273.15 degrees Celsius, or -459.67 degrees Fahrenheit, and represents the point on a thermometer where a system has the least amount of energy, or thermal motion. But there's a catch: absolute zero is unattainable, But exists as a measure of relativity.

Absolute zero is the temperature at which a thermodynamic system has the least amount of energy. It is equivalent to 273.15 degrees Celsius on the Celsius scale and 459.67 degrees Fahrenheit on the Fahrenheit scale.

Learn more about Absolute Zero:
brainly.com/question/79835

#SPJ1

larisa [96]1 year ago
3 0

Answer:

A material scientist studies the properties of materials and how they can be used in various applications. The amount of existing materials on Earth is limited by nature and human knowledge. This means that there is a finite amount of material that can be used to create products. Mechanical engineers often do not have specializations as other fields of engineering do because they deal with the design and manufacture of products. This requires a broad knowledge of all aspects of engineering. If nothing can ever be at absolute zero, why does the concept exist? The concept of absolute zero exists because it is the lowest possible temperature that can be achieved.

Explanation:

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3 years ago
The function below takes a single parameter, a list of numbers called number_list. Complete the function to return a string of t
makkiz [27]

Answer:

The solution code is written in Python:

  1. def convertCSV(number_list):
  2.    str_list = []
  3.    for num in number_list:
  4.        str_list.append(str(num))
  5.    
  6.    return ",".join(str_list)
  7. result = convertCSV([22,33,44])
  8. print(result)

Explanation:

Firstly, create a function "convertCSV" with one parameter "number_list". (Line 1)

Next, create an empty list and assign it to a new variable <em>str_list</em>. (Line 2)

Use for-loop to iterate through all the number in the <em>number_list</em>.(Line 4). Within the loop, each number is converted to a string using the Python built-in function <em>str() </em>and then use the list append method to add the string version of the number to <em>str_list</em>.

Use Python string<em> join() </em>method to join all the elements in the str_list as a single string. The "," is used as a separator between the elements (Line 7) . At the end return the string as an output.

We can test the function by calling the function and passing [22,33,34] as an argument and we shall see "22,33,44" is printed as an output. (Line 9 - 10)

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Which of the following is a possible consequence of poor measurement in construction as stated in the segment?
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Decreased risk of structure failure

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True

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The CNC is the primary interface between the machine operator and the machine.

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