A structural component in the form of a wide plate is to be fabricated from a ferritic steel alloy (stress-strain curve below) that has a plane strain fracture toughness of 98.9 MPa . The flaw size resolution limit of the flaw detection apparatus is 3.0 mm, that is flaws below this size cannot be detected. If the design stress is taken to be the 0.5% yield strength with a factor of safety 1.2, determine whether or not a critical flaw for this plate is subject to detection. Take the value of the geometrical factor for the flaws to be 1.0.

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explanation:

answer:

// here is code in C++.

#include <bits/stdc++.h>

using namespace std;

//main function

int main()

{

  // variable

 int n;

 cout<<"enter a number:";

 // read the input

 cin>>n;

 // find the square root of the absolute value

 float square_root=sqrt(abs(n));

 // print the square_root

 cout<<"square root of "<<n<<" is: "<<square_root<<endl;

  return 0;

}

Explanation:

Read a number from user and assign it to "n".Then find its absolute value with abs() function.Then calculate the square root of the absolute value with sqrt() function.Print the square root of the number.

Output:

enter a number:-17

square root of -17 is: 4.12311

                                                         This is easy

                                                     sinserly Natalie 7 grader (this is not that hard)