#include <iostream>
#include <cmath> // untuk sin() dan radians conversion
using namespace std;
// Fungsi untuk menghitung jarak horizontal
double hitungJarakHorizontal( double v0, double theta) {
const double g = 9.8 ; // percepatan gravitasi (m/s^2)
double thetaRad = theta * M_PI / 180.0 ; // konversi ke radian
double jarak = ( v0 * v0 * sin ( 2 * thetaRad) ) / g;
return jarak;
}
int main( ) {
double v0, theta;
cout << "=== Program Menghitung Jarak Horizontal Proyektil ===" << endl;
cout << "Masukkan kecepatan awal (m/s): " ;
cin >> v0;
cout << "Masukkan sudut elevasi (derajat): " ;
cin >> theta;
double jarak = hitungJarakHorizontal( v0, theta) ;
cout << "\n Jarak horizontal = " << jarak << " meter" << endl;
// Menghitung jarak maksimum (pada sudut 45 derajat)
double jarakMaks = hitungJarakHorizontal( v0, 45 ) ;
cout << "Jarak maksimum (pada sudut 45°) = " << jarakMaks << " meter" << endl;
return 0 ;
}
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