Consider a long sheet metal duct (AISI 1010, k = 63.9 W/m ∙ K) whose outside diameter is 80 mm and inner diameter is 70 mm. Hot water at 70℃ is flowing steadily inside the duct, with a mean velocity of 0.5 m/s. Winds at a temperature 20℃ directly blow across the outside of the duct at a velocity of 5m/s. Assuming the flow inside the duct is fully developed. Determine the rate of heat loss per meter of the duct.

no he didnt use it

explanation:

he said no

answer:

rawr

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)

answer:

Tell him to give you another opportunaty to send it to him.