using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("2. Zadatak"); 

            Console.Write("Unesite kosinus Q[m^2/s] >>>");

            double Q = Convert.ToDouble(Console.ReadLine());

            Console.Write("Unesite koordinatu x točke >>");

            double x = Convert.ToDouble(Console.ReadLine());

            Console.Write("Unesite koordinatu y točke >>>");

            double y = Convert.ToDouble(Console.ReadLine());

​

            double u = (Q / (2.0 * Math.PI)) * (x / ((Math.Pow(x, 2.0) + Math.Pow(y, 2.0))));

            double v = (Q / (2.0 * Math.PI)) * (y / ((Math.Pow(x, 2.0) + Math.Pow(y, 2.0))));

​

            double brzina = Math.Sqrt(u * u + v * v);

​

​

            Console.WriteLine(" ");

            Console.WriteLine("Rezultati 2. zadatka:  ");

            Console.WriteLine("2.a v = " + Math.Round(brzina, 3) + " m/s");

            Console.WriteLine("2.b u = " + Math.Round(u, 4) + " m/s");

            Console.WriteLine("2.b v = " + Math.Round(v, 4) + " m/s");

    }

}