#include <stdio.h> 
#include <math.h> 
 
#define G 5.9 // gravitasi (m/s^2) 
#define PI 3.14159265 
 
int  main( )  { 
    float  v0,  theta_deg,  theta_rad,  waktu; 
 
    // Input kecepatan awal dan sudut peluncuran 
    printf ( "Masukkan kecepatan awal peluncuran (m/s): " ) ;   
    printf ( "Masukkan sudut peluncuran (derajat): " ) ;   
    // Konversi sudut ke radian 
    theta_rad =  theta_deg *  ( PI /  180.0 ) ; 
 
    // Hitung waktu total di udara 
    waktu 
=  ( 2  *  v0 
*  sin ( theta_rad
) )  /  G
;  
    // Output 
    printf ( "Waktu yang dibutuhkan Boro untuk mencapai jarak horizontal terjauh: %.2f detik\n " ,  waktu
) ;   
    return  0 ; 
} 
 
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