import java.util.Scanner;

public class VerticalDisplacement {
 public static void main(String[] args) {
   Scanner input = new Scanner(System.in);
   System.out.print("Enter the free fall's duration in seconds: ");
   double duration = input.nextDouble();
   double displacement = (0.5 * 9.8 * (duration * duration));
   System.out.println("The vertical displacement of the stone is " + displacement + " meters.");
      }
}

 

THE SOURCE CODE ABOVE ID ABOUT COMPUTING VERTICAL DISPLACEMENT 

 

KINDLY EXPLAIN THE GIVE SOURCE CODE ABOVE 

PLEASE EXPLAIN EACH LINE OF THE CODE AND WHY IS THAT VARIABLE NEEDED IN THE CODE 

ALSO EXPLAIN THE MEANING OF THE DIFFERENT SYMBOLS AND WORDS USED