This stored energy has the potential to become kinetic energy, which is exactly what happens when the materials then spring back causing the car to “bounce” back from the wall. (The objects don’t retu...This stored energy has the potential to become kinetic energy, which is exactly what happens when the materials then spring back causing the car to “bounce” back from the wall. (The objects don’t return to the fully original shape because the were permanently deformed during the first part of the crash).
