26. What does the law of conservation of momentum state? A. that when one object transfers momentum to a second object, the
second object also transfers momentum to the first object
B. that the total momentum of a group of objects is calculated as the
total mass of the objects times the total velocity of the objects
c. that the total momentum of a group of objects stays the same
unless outside forces act on the objects
D. that the momentum of a group of objects changes during elastic
collisions but not during inelastic collisions