4 ms·
> I believe the correct approach is to look at it from the perspective of the object that you in car A are striking. The most convenient reference frame for co
by tbrownaw 2y ago
> I believe the correct approach is to look at it from the perspective of the object that you in car A are striking.
The most convenient reference frame for colliding objects is the combined center of mass of those objects. It isn't affected by the collision, and for perfectly inelastic collisions the objects will come to rest with respect to that frame. This makes the math a lot simpler that working in some other frame.