1. The problem statement, all variables and given/known data The coefficent of static friction between the floor of a truck and a box resting on it is 0.38. The truck is traveling at 69.7 km/hr. What is the least distance in which the truck can stop and ensure that the box does not slide? 2. Relevant equations 3. The attempt at a solution Not a clue, don't you need at least one mass?