How fast would an egg be going an instant before it hits the ground, if it fell 5m in a perfect world?
04

convex lenses are thicker at the middle. rays of light that pass through the lens are brought closer together (they converge). a convex lens is a converging lens. when parallel rays of light pass through a convex lens the refracted rays converge at one point called the principal focus.

e/c, where e is its total energy