Momentum conservation
In the absence of external horizontal impulses, the total linear momentum of a two-vehicle collision system (sum of mass times velocity for each vehicle) is the same before and after the collision.
In the absence of external horizontal impulses, the total linear momentum of a two-vehicle collision system (sum of mass times velocity for each vehicle) is the same before and after the collision.
Practice with mock tests, learn from structured notes, and get your questions answered by a global forensic community, all in one place.