//Charlotte Davies-Kiernan CS1A Chapter 6 P. 370 #6
//
/*****************************************************************************
*
* Compute Kinetic Energy
* ___________________________________________________________________________
* This program will compute the kinetic energy of an object using the mass
* and velocity entered
*
* Formula used:
* kinetic energy = mass * velocity * velocity * 0.5
* ___________________________________________________________________________
* Input
* mass //Mass of the object
* velocity //Velocity of the object
* Output
* kE //Kinetic Energy of the object
*****************************************************************************/
#include <iostream>
#include <iomanip>
using namespace std;
//Function Prototype
float kineticEnergy(float mass, float velocity);
int main() {
//Data Dictionary
float mass; //INPUT - Mass of the object
float velocity; //INPUT - Velocity of the object
float kE; //OUPUT - Kinetic Energy of the object
cout << "Kinetic Energy Calculator: " << endl;
//Get User's Inputs
cout << "Enter the object's mass (in kilograms): " << endl;
cin >> mass;
//Input Validation
while (mass < 0){
cout << "Mass cannot be negative. Please enter a positive value: " << endl;
cin >> mass;
}
cout << "Enter the object's velocity (in meters per second): " << endl;
cin >> velocity;
//Input Validation
while (velocity < 0){
cout << "Velocity cannot be negative. Please enter a positive value: " << endl;
cin >> velocity;
}
//Calculate Kinetic Energy
kE = kineticEnergy(mass, velocity);
//Display Result
cout << fixed << setprecision(2);
cout << "The object's kinetic energy is " << kE << " joules" << endl;
return 0;
}
//Kinetic Energy Function
float kineticEnergy(float mass, float velocity){
return mass * velocity * velocity * 0.5;
}