Final answer:
In a typical vehicle impact, there are usually 2 collisions: the collision between the two vehicles and the collision between the passengers and the vehicle's interior.
Step-by-step explanation:
In a typical vehicle impact, there are usually 2 collisions.
The first collision occurs when the two vehicles involved initially collide. This is known as the collision between the two vehicles. The second collision occurs between the passengers and the interior of the vehicle, such as the seatbelt or airbag. This is known as the collision between the passengers and the vehicle's interior.