1.Equally massive cars collide, where one was stationary and the other was moving to the right. What is the end result of this collision (be as specifis as possible and explain how you know this.

The brightest star in the night sky in the northern hemisphere is sirius. its distance from earth is estimated to be 8.7 light years. a light year is the distance light travels in one year. light travels at a speed of 3.00 × 108 m/s. calculate the distance from earth to sirius in miles. (1 mi = 5280 ft) g