Your brother’s football game starts in 2.5 hours. The football game is in a city 195 miles away. In order for you to arrive in time for the start of the game, what does your average speed need to be?

What determines the amount of inertia an object has

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

Which of these has some mechanical energy? a. an atom b. heat inside earth c. a book on a shelf d. the fire from a lit match