Ball

#include <iostream>
using namespace std;
int main()
{
double g=9.81;//acceleration due to gravity
cout<<"Input the initial velocity (m/s):> ";
double v0;
cin>> v0 ;
cout<< " Input the time (s):> ";
double t;
cin>> t;
cout<<
<<
cout<<
<<

"==========================="//
endl;
"The velocity at time " <<t<< " is "
v0 - g*t <<endl;

cout<< "and the height is "
<< v0*t - (g*t*t)/2 << endl;
return 0;
}