Desde un almacén de 52 m de alto se deja caer un cuerpo, si despreciamos el efecto del aire, la velocidad con que llegó al suelo es de: (g=9.80 m/s²)

ill do it for 100, also this isnt 80 its 40

what is the speed of a softball that travels 20m in 2secs

speed = 20/2 = 10 m/s

myth. it was once thought that animals, including cats and dogs, could only see in black and white. however, scientists have proven this to be a myth. in all animals, including humans, the perception of colour is determined by the presence of cells in the eye called cone photoreceptors.