A car is moving with speed 18.0 m/s due south at onemoment and 27.5 m/s due east 8.00 s later. Over this timeinterval, determine the magnitude and direction of (a) itsaverage velocity, (b) its average acceleration, (c) What is itsaverage speed. [Hint: Can you determine all these from theinformation given?]
Chapter 1: A Modern View of the Universe 1.1: The Scale of the Universe – 1. What is our place in the Universe a. Our Cosmic Address i. Our Solar System – The place at which Earth is located along with other planets, moons, asteroids, and comets. Basically, everything the revolves around our Sun. 1. Our sun is just another star in space, like those we see in the night sky. ii. Milky Way Galaxy – our solar system belongs to the huge, diskshaped, collection of stars called the Milky Way galaxy. 1. A galaxy can be considered a great island of stars in space, all held
