Solution: A 1300 kg car rolling on a horizontal surface has a speed of exttip{v}{v}71 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.3 m. What is the spring constant of the spring?

Problem

A 1300 kg car rolling on a horizontal surface has a speed of 71 km/h when it strikes a horizontal coiled spring and is brought to rest in a distance of 2.3 m. What is the spring constant of the spring?