un tren desde el punto A con una velocidad de 30km/h , Hora y media mas tarde sale otro coche con velocidad 50 km/h¿cuando y donde el segundo tren alcanzara al primero?

the largest known star in the universe is uy scuti, a hypergiant with a radius around 1,700 times larger than the

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees.