Momentum is the product of the mass and velocity of an object. It is a vector quantity, possessing a magnitude and a direction. If m is an object's mass and v is its velocity (also a vector quantity).
Momentum is the measurable quantity as the object is moving and has mass and so it has the momentum. Momentum is defined as the mass ( m ) times the velocity ( v ).
It definitely isn't double jeopardy as that applies to being arrested. Exclusive and reserved powers are a one or the other type thing, so it either goes to state or federal government, not both.
Precedent refers to a court decision that is considered as authority for deciding subsequent cases involving identical or similar facts, or similar legal issues.
