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  1. //Zachary Abdollahi				CS1A				       Chapter 6, P. 370, #6
  2. //
  3. /*******************************************************************************
  4.  * 
  5.  * COMPUTE KINETIC ENERGY
  6.  * 
  7.  * This program computes the kinetic energy of an object based on its mass 
  8.  * (in kilograms) and velocity (in meters per second).
  9.  * 
  10.  * Computation is based on the formula:
  11.  * KE = 0.5 x mass x velocity^2
  12.  * 
  13.  * INPUT 
  14.  *	 mass		    : Object's mass in kilograms
  15.  *   velocity       : Object's velocity in meters per second
  16.  * 
  17.  * OUTPUT       
  18.  *   kineticEnergy  : Amount of kinetic energy in Joules
  19.  * 
  20.  ******************************************************************************/
  21.  
  22.  #include <iostream>
  23.  #include <iomanip>
  24.  #include <cmath> // Needed for pow function
  25.  using namespace std;
  26.  
  27.  // Function Prototypes
  28.  double kineticEnergy(double mass, double velocity);
  29.  
  30.  int main()
  31.  {
  32.  	float mass;			// To hold the object's mass
  33.  	float velocity;		// To hold the object's velocity
  34.  	float ke;			// To hold the kinetic energy result
  35.  
  36.  	// Get input from the user
  37.  	cout << "Enter the object's mass (in kilograms): ";
  38.  	cin >> mass;
  39.  
  40.  	cout << "Enter the object's velocity (in meters per second): ";
  41.  	cin >> velocity;
  42.  
  43.  	// Call the function to calculate kinetic energy
  44.  	ke = kineticEnergy(mass, velocity);
  45.  
  46.  	// Display the formatted result
  47.  	cout << fixed << showpoint << setprecision(2);
  48.  	cout << "\nThe object's kinetic energy is " << ke << " Joules. " << endl;
  49.  
  50.  	return 0;
  51.  }
  52.  
  53.  /******************************************************************************
  54.   * 				      	kineticEnergy									   *
  55.   * Accepts mass (kg) and velocity (m/s) as arguments and calculates           *
  56.   * and returns kinetic energy using KE = 0.5 * m * v^2.					   *
  57.   *****************************************************************************/
  58.   double kineticEnergy(double mass, double velocity)
  59.   {
  60.   	return 0.5 * mass * pow(velocity, 2.0);
  61.   }
Success #stdin #stdout 0s 5320KB
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Enter the object's mass (in kilograms): Enter the object's velocity (in meters per second): 
The object's kinetic energy is 125.00 Joules.
https://ideone.com/D72f8X
language:
C++ (gcc 8.3)
created:
59 minutes ago
visibility:
public

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