When you are ice skating, to get started, you push your stake backwards on the ice and, as a result, begin to move forward. which law of motion is being describe in this scenario.

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