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Speed Calculation from Distance and Time in C#

In this exercise, we will write a C# program that calculates the speed of an object based on user input. The user will enter a distance in meters and the time taken to cover that distance in hours, minutes, and seconds. The program will then compute and display the speed in three different units: meters per second (m/s), kilometers per hour (km/h), and miles per hour (mph). This exercise helps in understanding basic mathematical operations and user input handling in C#.



Group

C# Basic Data Types Overview

Objective

1. Prompt the user to enter a distance in meters.
2. Ask the user to enter the time taken as three separate inputs: hours, minutes, and seconds.
3. Convert the total time into seconds.
4. Compute the speed in meters per second, kilometers per hour, and miles per hour.
5. Display the results in a clear and formatted manner.
6. Ensure proper input validation to handle incorrect or non-numeric values.

Write a C# program to ask the user for a distance (in meters) and the time taken (as three numbers: hours, minutes, seconds), and display the speed in meters per second, kilometers per hour, and miles per hour (hint: 1 mile = 1609 meters).

Example C# Exercise

 Copy C# Code 
using System;

class Program
{
    static void Main()
    {
        // Ask the user to enter the distance in meters
        Console.Write("Enter the distance (in meters): ");
        double distance = Convert.ToDouble(Console.ReadLine());

        // Ask the user to enter the time taken in hours, minutes, and seconds
        Console.Write("Enter time - Hours: ");
        int hours = Convert.ToInt32(Console.ReadLine());

        Console.Write("Enter time - Minutes: ");
        int minutes = Convert.ToInt32(Console.ReadLine());

        Console.Write("Enter time - Seconds: ");
        int seconds = Convert.ToInt32(Console.ReadLine());

        // Convert the total time into seconds
        double totalTimeInSeconds = (hours * 3600) + (minutes * 60) + seconds;

        // Calculate speed in different units
        double speedMetersPerSecond = distance / totalTimeInSeconds;
        double speedKilometersPerHour = (distance / 1000) / (totalTimeInSeconds / 3600);
        double speedMilesPerHour = (distance / 1609) / (totalTimeInSeconds / 3600);

        // Display the results
        Console.WriteLine("\nSpeed Calculations:");
        Console.WriteLine($"Speed in meters per second: {speedMetersPerSecond:F2} m/s");
        Console.WriteLine($"Speed in kilometers per hour: {speedKilometersPerHour:F2} km/h");
        Console.WriteLine($"Speed in miles per hour: {speedMilesPerHour:F2} mph");
    }
}

 Output

Enter the distance (in meters): 500
Enter time - Hours: 0
Enter time - Minutes: 5
Enter time - Seconds: 0

Speed Calculations:
Speed in meters per second: 1.67 m/s
Speed in kilometers per hour: 6.00 km/h
Speed in miles per hour: 3.73 mph

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