Numa queda vertical, foram transferidos 250 J de energia para um corpo de 500 g, por ação do seu peso. De que altura foi a queda?

Debris produced by mining is called

Which statement is true if the refractive index of medium a is greater than that of medium b? a. total internal reflection is possible when light travels from air to medium b to medium a. b. total internal reflection is possible when light travels from medium a to medium b. c. total internal reflection is possible when light travels from medium b to medium a. d. total internal reflection is possible when light travels from air to medium a. e. total internal reflection is possible when light travels from air to medium b.

Elements on the periodic table are ordered according to their