A tractor-trailer truck traveling at a speed of 4.2 m/s with

Last updated: 7/31/2022

A tractor-trailer truck traveling at a speed of 4.2 m/s with a mass of 19,589 kg is traveling on a horizontal surface when it strikes a gigantic horizontal spring which brings the truck to rest in 15 meters. What is the stiffness constant of the spring? Do all your calculations in Sl and submit your answer without units.