What is the acceleration of Tom's car if he was driving 40m/s and runs into a wall. His car stops in 0.5 s

Two cars collide, lock bumpers and move together after the collision.this collision is known as perfectly inelastic collision.

In psychology, a person who thinks that upbringing and environment are much more important than genes is more on the side of in the nature versus nurture debate.the answer in the blank is letter b which is nature. they are more on the nature and environmental side than the genetic side of species.