Two weather tracking stations are on the equator 159 miles apart. a weather balloon is located on a bearing of n 38°e from the western station and on a bearing of n 14°e from the eastern station. how far is the balloon from the western station?

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