The particle has a mass of 0.7 kgkg and is confined to move along the smooth horizontal slot due to the rotation of the arm OAOA. Assume the particle contacts only one side of the slot at any instant. The arm has an angular acceleration of θ¨θ¨ = 3 rad/s2rad/s2 when θ˙θ˙ = 2 rad/srad/s at θθ = 30∘∘. Determine the magnitude of the force of the rod on the particle when θ = 30∘. Determine the magnitude of the normal force of the slot on the particle when θ= 30∘

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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)

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Explanation:

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