The chart shows data for four different moving objects.
which shows the order of the objects’ kinetic energies, from least to greatest?
w, y, x, z
z, x, y, w
w, y, z, x
x, z, y, w

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th