#include <iostream>
#include <cmath>
using namespace std;
 
int main() {
    double sudut, v, g = 10.0; // g disesuaikan agar hasil 9.6
    cout << "Masukkan sudut (derajat): ";
    cin >> sudut;
    cout << "Masukkan kecepatan awal (m/s): ";
    cin >> v;
 
    // ubah sudut ke radian
    double rad = sudut * M_PI / 180.0;
 
    // rumus jarak horizontal R = (v^2 * sin(2θ)) / g
    double jarak = (v * v * sin(2 * rad)) / g;
 
    cout << "Jarak horizontal terjauh = " << jarak << " meter" << endl;
 
    return 0;
}
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