Respuesta :
E= v* t
80 km//hX 1000/km X 1h/3600s= 22,22 m/s
E= 22,22 X 12000 s= 266.640mt
266640 m/1000= 266,640 km
80 km//hX 1000/km X 1h/3600s= 22,22 m/s
E= 22,22 X 12000 s= 266.640mt
266640 m/1000= 266,640 km