What will happen if you hit a person with your car?

Let's assume the person to be hit is walking perpendicular to the car, and let's assume that the car is a standard four-door sedan.

10mph: Bruises, maybe a broken leg or a broken arm. If the person falls on their head, a possible skull injury.

20mph: Most likely one broken leg, if not two. If the person falls on their head, a serious skull injury.

40mph: Serious injury. Probable death.

60+mph: Death.