/** Physics.java - Let's try #22 on page 46 in the book!
 */

public class Physics
{
  public static final double g = 9.80665;

  public static void main(String [] args)
  {
    double x0 = Double.parseDouble(args[0]);
    double v0 = Double.parseDouble(args[1]);
    double t = Double.parseDouble(args[2]);

    double displacement = x0 + v0 * t - g * t * t / 2.0;
    System.out.println("The final position is:  " + displacement); 
  }
}