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arvind
java code 8 of 1
1 Answer(s)      4 years ago
Posted in : JavaScript Questions


Develop a program that computes the distance a boat travels across a river, given the width of the river, the boat's speed perpendicular to the river, and the river's speed. Speed is distance/time, and the Pythagorean Theorem is c2 = a2 + b2.


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December 22, 2010 at 3:15 PM


Hi Friend,

Try the following code:

import java.util.*;
import java.text.*;

class DistanceTravelledbyBoat{

public static void main(String[] args){
DecimalFormat df = new DecimalFormat("##.00");
Scanner input=new Scanner(System.in);
System.out.print("Enter width of river: ");
double width=input.nextDouble();
System.out.print("Enter boat's speed perpendicular to river: ");
double boatspeed=input.nextDouble();
System.out.print("Enter river's speed: ");
double riverspeed=input.nextDouble();
double a=width;
double bs=boatspeed;
double c=0;
double t=a/bs;
double rs=riverspeed;
double b=t*rs;
double distance=c*c;
double BB=b*b;
double AA=a*a;
distance=AA+BB;
System.out.println("Distance boat travels: "+df.format(distance));
}
}

Thanks



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