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Dimas [21]
2 years ago
14

Light travels at 3 × 108 meters per second. A light-year is the distance a light beam travels in one year.Write a PYTHON program

that calculates and displays the value of a light-year.Useful facts:Seconds in a year = 365×24×602Rate = 3×108meters per second
Computers and Technology
1 answer:
Art [367]2 years ago
4 0

Answer: This is a python code

def lightyear():

   rate=3*100000000   //speed of light

   seconds=365*24*60*60   //number of seconds in 1 year

   return str((rate*seconds)/1000)+" km"    //distance=speed x time

print(lightyear()) //will print value of light hear in kilometers

OUTPUT :

9460800000000.0 km

Explanation:

In the above code, there is a variable rate, which stores the speed of light, i.e. distance traveled by light in 1 second which is in meters. Another variable is seconds, which store the number of seconds in 1 year, which is no of days in 1 year multiplied by the number of hours in a day multiplied by the number of minutes in an hour multiplied by the number of seconds in a minute. Finally, distance is speed multiplied by time, so distance is printed in kilometers and to convert distance in kilometers it is divided by 1000.

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Read 2 more answers
Write an application that allows a user to enter any number of student quiz scores until the user enters 99. If the score entere
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Answer:

import java.util.Scanner;

import java.util.*;

import java.util.Collections;

class Main

{

public static void main(String[] args)  

{

     List<Integer> Scores = new ArrayList<Integer>();

     Scanner sc1=new Scanner(System.in);

     int i =0;

     int a=0;

     do

     {

       System.out.println("Enter score");

       a =sc1.nextInt();

       if (a <= 0)

       {

           System.out.println("You entered wrong score");

           continue;

       }

       else if ( a < 10 && a >0)

       {

           System.out.println("You entered wrong score");

           continue;

           

       }

       else

       {

           Scores.add(a);

       }

       i++;

     }while(a!=99);

     int max= Collections.max(Scores);

     int min=Collections.min(Scores);

     int sum=0;

     float averg =0;

     for(i=0; i<=Scores.size()-1;i++)

     {

        sum += Scores.get(i);

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     averg= sum/Scores.size();

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      System.out.println("Minimum score"+min);

     System.out.println("Average:"+averg);

   

}

}

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