Determine the mean effective pressure of an ideal otto cycle that uses air as the working fluid if its state at the beginning of the compression is 13 psia and 60°f, its temperature at the end of the combustion is 1500°f, and its compression ratio is 9. use constant specific heats at room temperature. the properties of air at room temperature are r- 0.3704 psia-ft3 lbm-r, cp 0.240 btu/lbm-r, cv- 0171 btu/lbm-r, and k 1.4 the mean effective pressure .

answer:

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explanation:

answer:

31

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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)