reading_data

reading_data.cpp

#include <iostream>
#include <fstream>
#include <cmath>


using namespace std;


// Main Function
int main()
{


// Variables
float data1;  // time for 30 oscillations in seconds
float data2;  // time for 30 oscillations in seconds
float data3;  // time for 30 oscillations in seconds
float avg_oscillation_time; // average of the 3 times
float T_period; // time for 30 oscillations divided by 30
float length; // length of string from base to weight on end of string in centimeters
const float pi = 3.14;
float gravity; // this is what we are trying to figure out in cm/sec squared


ifstream file; // this is my file stream object
file.open("experiment.data"); // this is my file in the same directory
file >> data1 ; // data1 is the first line in the file
file >> data2 ; // data2 is the second line in the file
file >> data3 ; // data3 is the third line in the file


// this is my processing section
length=10.5;
avg_oscillation_time = (data1 + data2 + data3)/(3);
T_period = (avg_oscillation_time) / (30);
gravity = pow(pi,2)*(length)*(4) / pow(T_period,2);


// this is my display section
// this is the data that I extracted from the file
cout << "This is the data I extracted from my file. " << endl;
cout << endl;
cout << data1 << "  seconds" << endl;
cout << data2 << "  seconds" << endl;
cout << data3 << "  seconds" << endl;
cout << endl;
cout << "My average oscillation time was " << avg_oscillation_time << "  seconds" << endl;
cout << endl;
cout << "The period of the oscillations was " << T_period << endl;
cout << endl;
cout << "The gravity we got from our experiment was :" << endl;
cout << endl;
cout << "gravity" << "  =  " << gravity << "  cm/seconds squared  " << endl;
cout << endl;
cout << "I thought I could jump a bit higher today!" << endl;
cout << endl;


file.close();
return 0;


}