Join IDNLearn.com and start getting the answers you've been searching for. Find the information you need quickly and easily with our reliable and thorough Q&A platform.
Answer:
The objects must have moments with the same magnitude but opposite directions.
Explanation:
The condition alone that is necessary in order to make the final kinetic energy of the system to be zero after the collision is that the objects must have moments that are the same in magnitude but have opposite directions.