Some of the funniest videos on the

Some of the funniest videos on the web involve motoristssliding uncontrollably on icy roads. Here let’s compare thetypical stopping distances for a car sliding to a stop from aninitial speed of 10.0 m/s on a dry horizontal road, an icy horizontal road, and (everyone’s favorite) an icy hill.(a) How far does the car take to slide to a stop on a horizontal road (Fig. 6-4a) if the coefficient of kinetic friction ismk 0.60, which is typical of regular tires on dry pavement?Let’s neglect any effect of the air on the car, assume thatthe wheels lock up and the tires slide, and extend an x axisin the car’s direction of motion.