Avertical flat plate is used as a heating panel in a large room. the panel is square with dimensions of 1 m x 1 m. the surface of the panel is maintained at 450 k, while the walls and air in the room are at 300 k. if the panel has an emissivity of 0.9, what is the net rate of heat transferred from the panel to the room?

answer:

a

explanation:

answer: Yes

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)